ModernKeePassLib custom PCL version

2025-12-06 00:02:43 -05:00 · 2017-09-22 15:40:24 +02:00
parent baba70e56d
commit a43bc20eb3
98 changed files with 6049 additions and 3038 deletions
--- a/ModernKeePassLib/Collections/AutoTypeConfig.cs
+++ b/ModernKeePassLib/Collections/AutoTypeConfig.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -194,13 +194,6 @@ namespace ModernKeePassLib.Collections
 			return true;
 		}

-		public void Add(AutoTypeAssociation a)
-		{
-			Debug.Assert(a != null); if(a == null) throw new ArgumentNullException("a");
-
-			m_lWindowAssocs.Add(a);
-		}
-
 		public AutoTypeAssociation GetAt(int iIndex)
 		{
 			if((iIndex < 0) || (iIndex >= m_lWindowAssocs.Count))
@@ -209,6 +202,22 @@ namespace ModernKeePassLib.Collections
 			return m_lWindowAssocs[iIndex];
 		}

+		public void Add(AutoTypeAssociation a)
+		{
+			if(a == null) { Debug.Assert(false); throw new ArgumentNullException("a"); }
+
+			m_lWindowAssocs.Add(a);
+		}
+
+		public void Insert(int iIndex, AutoTypeAssociation a)
+		{
+			if((iIndex < 0) || (iIndex > m_lWindowAssocs.Count))
+				throw new ArgumentOutOfRangeException("iIndex");
+			if(a == null) { Debug.Assert(false); throw new ArgumentNullException("a"); }
+
+			m_lWindowAssocs.Insert(iIndex, a);
+		}
+
 		public void RemoveAt(int iIndex)
 		{
 			if((iIndex < 0) || (iIndex >= m_lWindowAssocs.Count))
@@ -216,5 +225,20 @@ namespace ModernKeePassLib.Collections

 			m_lWindowAssocs.RemoveAt(iIndex);
 		}
+
+		// public void Sort()
+		// {
+		//	m_lWindowAssocs.Sort(AutoTypeConfig.AssocCompareFn);
+		// }
+
+		// private static int AssocCompareFn(AutoTypeAssociation x,
+		//	AutoTypeAssociation y)
+		// {
+		//	if(x == null) { Debug.Assert(false); return ((y == null) ? 0 : -1); }
+		//	if(y == null) { Debug.Assert(false); return 1; }
+		//	int cn = x.WindowName.CompareTo(y.WindowName);
+		//	if(cn != 0) return cn;
+		//	return x.Sequence.CompareTo(y.Sequence);
+		// }
 	}
 }
--- a/ModernKeePassLib/Collections/ProtectedBinaryDictionary.cs
+++ b/ModernKeePassLib/Collections/ProtectedBinaryDictionary.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -28,7 +28,7 @@ using ModernKeePassLib.Security;
 using ModernKeePassLib.Utility;

 #if KeePassLibSD
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 namespace ModernKeePassLib.Collections
--- a/ModernKeePassLib/Collections/ProtectedStringDictionary.cs
+++ b/ModernKeePassLib/Collections/ProtectedStringDictionary.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -28,7 +28,7 @@ using ModernKeePassLib.Security;
 using ModernKeePassLib.Utility;

 #if KeePassLibSD
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 namespace ModernKeePassLib.Collections
--- a/ModernKeePassLib/Collections/PwObjectList.cs
+++ b/ModernKeePassLib/Collections/PwObjectList.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -133,6 +133,14 @@ namespace ModernKeePassLib.Collections
 			}
 		}

+		public void Insert(uint uIndex, T pwObject)
+		{
+			Debug.Assert(pwObject != null);
+			if(pwObject == null) throw new ArgumentNullException("pwObject");
+
+			m_vObjects.Insert((int)uIndex, pwObject);
+		}
+
 		/// <summary>
 		/// Get an object of the list.
 		/// </summary>
@@ -225,7 +233,7 @@ namespace ModernKeePassLib.Collections
 			if(nCount <= 1) return;

 			int nIndex = m_vObjects.IndexOf(tObject);
-			Debug.Assert(nIndex >= 0);
+			if(nIndex < 0) { Debug.Assert(false); return; }

 			if(bUp && (nIndex > 0)) // No assert for top item
 			{
@@ -241,6 +249,68 @@ namespace ModernKeePassLib.Collections
 			}
 		}

+		public void MoveOne(T[] vObjects, bool bUp)
+		{
+			Debug.Assert(vObjects != null);
+			if(vObjects == null) throw new ArgumentNullException("vObjects");
+
+			List<int> lIndices = new List<int>();
+			foreach(T t in vObjects)
+			{
+				if(t == null) { Debug.Assert(false); continue; }
+
+				int p = IndexOf(t);
+				if(p >= 0) lIndices.Add(p);
+				else { Debug.Assert(false); }
+			}
+
+			MoveOne(lIndices.ToArray(), bUp);
+		}
+
+		public void MoveOne(int[] vIndices, bool bUp)
+		{
+			Debug.Assert(vIndices != null);
+			if(vIndices == null) throw new ArgumentNullException("vIndices");
+
+			int n = m_vObjects.Count;
+			if(n <= 1) return; // No moving possible
+
+			int m = vIndices.Length;
+			if(m == 0) return; // Nothing to move
+
+			int[] v = new int[m];
+			Array.Copy(vIndices, v, m);
+			Array.Sort<int>(v);
+
+			if((bUp && (v[0] <= 0)) || (!bUp && (v[m - 1] >= (n - 1))))
+				return; // Moving as a block is not possible
+
+			int iStart = (bUp ? 0 : (m - 1));
+			int iExcl = (bUp ? m : -1);
+			int iStep = (bUp ? 1 : -1);
+
+			for(int i = iStart; i != iExcl; i += iStep)
+			{
+				int p = v[i];
+				if((p < 0) || (p >= n)) { Debug.Assert(false); continue; }
+
+				T t = m_vObjects[p];
+
+				if(bUp)
+				{
+					Debug.Assert(p > 0);
+					m_vObjects.RemoveAt(p);
+					m_vObjects.Insert(p - 1, t);
+				}
+				else // Down
+				{
+					Debug.Assert(p < (n - 1));
+					m_vObjects.RemoveAt(p);
+					m_vObjects.Insert(p + 1, t);
+				}
+			}
+		}
+
 		/// <summary>
 		/// Move some of the objects in this list to the top/bottom.
 		/// </summary>
--- a/ModernKeePassLib/Collections/PwObjectPool.cs
+++ b/ModernKeePassLib/Collections/PwObjectPool.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -26,15 +26,15 @@ using ModernKeePassLib.Delegates;
 using ModernKeePassLib.Interfaces;

 #if KeePassLibSD
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 namespace ModernKeePassLib.Collections
 {
 	public sealed class PwObjectPool
 	{
-		private SortedDictionary<PwUuidComparable, IStructureItem> m_dict =
-			new SortedDictionary<PwUuidComparable, IStructureItem>();
+		private SortedDictionary<PwUuid, IStructureItem> m_dict =
+			new SortedDictionary<PwUuid, IStructureItem>();

 		public static PwObjectPool FromGroupRecursive(PwGroup pgRoot, bool bEntries)
 		{
@@ -42,16 +42,16 @@ namespace ModernKeePassLib.Collections

 			PwObjectPool p = new PwObjectPool();

-			if(!bEntries) p.m_dict[new PwUuidComparable(pgRoot.Uuid)] = pgRoot;
+			if(!bEntries) p.m_dict[pgRoot.Uuid] = pgRoot;
 			GroupHandler gh = delegate(PwGroup pg)
 			{
-				p.m_dict[new PwUuidComparable(pg.Uuid)] = pg;
+				p.m_dict[pg.Uuid] = pg;
 				return true;
 			};

 			EntryHandler eh = delegate(PwEntry pe)
 			{
-				p.m_dict[new PwUuidComparable(pe.Uuid)] = pe;
+				p.m_dict[pe.Uuid] = pe;
 				return true;
 			};

@@ -63,13 +63,13 @@ namespace ModernKeePassLib.Collections
 		public IStructureItem Get(PwUuid pwUuid)
 		{
 			IStructureItem pItem;
-			m_dict.TryGetValue(new PwUuidComparable(pwUuid), out pItem);
+			m_dict.TryGetValue(pwUuid, out pItem);
 			return pItem;
 		}

 		public bool ContainsOnlyType(Type t)
 		{
-			foreach(KeyValuePair<PwUuidComparable, IStructureItem> kvp in m_dict)
+			foreach(KeyValuePair<PwUuid, IStructureItem> kvp in m_dict)
 			{
 				if(kvp.Value.GetType() != t) return false;
 			}
--- a/ModernKeePassLib/Collections/StringDictionaryEx.cs
+++ b/ModernKeePassLib/Collections/StringDictionaryEx.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -26,7 +26,7 @@ using System.Diagnostics;
 using ModernKeePassLib.Interfaces;

 #if KeePassLibSD
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 namespace ModernKeePassLib.Collections
--- a/ModernKeePassLib/Cryptography/Cipher/CipherPool.cs
+++ b/ModernKeePassLib/Cryptography/Cipher/CipherPool.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,13 +19,17 @@

 using System;
 using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Diagnostics;
+using System.Security;

 namespace ModernKeePassLib.Cryptography.Cipher
 {
-    /// <summary>
-    /// Pool of encryption/decryption algorithms (ciphers).
-    /// </summary>
-    public sealed class CipherPool
+	/// <summary>
+	/// Pool of encryption/decryption algorithms (ciphers).
+	/// </summary>
+	public sealed class CipherPool
 	{
 		private List<ICipherEngine> m_vCiphers = new List<ICipherEngine>();
 		private static CipherPool m_poolGlobal = null;
@@ -65,7 +69,7 @@ namespace ModernKeePassLib.Cryptography.Cipher

 			// Return if a cipher with that ID is registered already.
 			for(int i = 0; i < m_vCiphers.Count; ++i)
-				if(m_vCiphers[i].CipherUuid.EqualsValue(csEngine.CipherUuid))
+				if(m_vCiphers[i].CipherUuid.Equals(csEngine.CipherUuid))
 					return;

 			m_vCiphers.Add(csEngine);
@@ -81,7 +85,7 @@ namespace ModernKeePassLib.Cryptography.Cipher
 		{
 			foreach(ICipherEngine iEngine in m_vCiphers)
 			{
-				if(iEngine.CipherUuid.EqualsValue(uuidCipher))
+				if(iEngine.CipherUuid.Equals(uuidCipher))
 					return iEngine;
 			}

@@ -99,7 +103,7 @@ namespace ModernKeePassLib.Cryptography.Cipher
 		{
 			for(int i = 0; i < m_vCiphers.Count; ++i)
 			{
-				if(m_vCiphers[i].CipherUuid.EqualsValue(uuidCipher))
+				if(m_vCiphers[i].CipherUuid.Equals(uuidCipher))
 					return i;
 			}

--- a/ModernKeePassLib/Cryptography/Cipher/ICipherEngine.cs
+++ b/ModernKeePassLib/Cryptography/Cipher/ICipherEngine.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Cryptography/Cipher/Salsa20Cipher.cs
+++ b/ModernKeePassLib/Cryptography/Cipher/Salsa20Cipher.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -26,7 +26,7 @@ using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Cryptography.Cipher
 {
-	public sealed class Salsa20Cipher
+	public sealed class Salsa20Cipher : IDisposable
 	{
 		private uint[] m_state = new uint[16];
 		private uint[] m_x = new uint[16]; // Working buffer
@@ -34,7 +34,7 @@ namespace ModernKeePassLib.Cryptography.Cipher
 		private byte[] m_output = new byte[64];
 		private int m_outputPos = 64;

-		private static readonly uint[] m_sigma = new uint[4]{
+		private static readonly uint[] m_sigma = new uint[4] {
 			0x61707865, 0x3320646E, 0x79622D32, 0x6B206574
 		};

@@ -45,6 +45,17 @@ namespace ModernKeePassLib.Cryptography.Cipher
 		}

 		~Salsa20Cipher()
+		{
+			Dispose(false);
+		}
+
+		public void Dispose()
+		{
+			Dispose(true);
+			GC.SuppressFinalize(this);
+		}
+
+		private void Dispose(bool bDisposing)
 		{
 			// Clear sensitive data
 			Array.Clear(m_state, 0, m_state.Length);
--- a/ModernKeePassLib/Cryptography/Cipher/StandardAesEngine.cs
+++ b/ModernKeePassLib/Cryptography/Cipher/StandardAesEngine.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,22 +17,44 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-
 using System;
+using System.Collections.Generic;
+using System.Text;
 using System.IO;
+using System.Security;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.Core;
+#if PCL
+using Windows.Security.Cryptography;
+#else
+
+#if !KeePassRT
+using System.Security.Cryptography;
+#else
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Crypto.Engines;
+using Org.BouncyCastle.Crypto.IO;
+using Org.BouncyCastle.Crypto.Modes;
+using Org.BouncyCastle.Crypto.Paddings;
+using Org.BouncyCastle.Crypto.Parameters;
+#endif
+
+#endif

 using ModernKeePassLib.Resources;
-using ModernKeePassLib.Serialization;

 namespace ModernKeePassLib.Cryptography.Cipher
 {
-    /// <summary>
-    /// Standard AES cipher implementation.
-    /// </summary>
-    public sealed class StandardAesEngine : ICipherEngine
+	/// <summary>
+	/// Standard AES cipher implementation.
+	/// </summary>
+	public sealed class StandardAesEngine : ICipherEngine
 	{
-	//	private const CipherMode m_rCipherMode = CipherMode.CBC;
-	//	private const PaddingMode m_rCipherPadding = PaddingMode.PKCS7;
+#if !PCL && !KeePassRT
+		private const CipherMode m_rCipherMode = CipherMode.CBC;
+		private const PaddingMode m_rCipherPadding = PaddingMode.PKCS7;
+#endif

 		private static PwUuid m_uuidAes = null;

@@ -54,7 +76,7 @@ namespace ModernKeePassLib.Cryptography.Cipher
 				return m_uuidAes;
 			}
 		}
- 
+
 		/// <summary>
 		/// Get the UUID of this cipher engine as <c>PwUuid</c> object.
 		/// </summary>
@@ -92,31 +114,41 @@ namespace ModernKeePassLib.Cryptography.Cipher
 			}
 		}

-		private static Stream CreateStream(Stream s, bool bEncrypt, byte[] pbKey, byte[] pbIV)
-		{
-			StandardAesEngine.ValidateArguments(s, bEncrypt, pbKey, pbIV);
-            return new CryptoStream( s, "AES_CBC_PKCS7", bEncrypt, pbKey, pbIV);
+	    private static Stream CreateStream(Stream s, bool bEncrypt, byte[] pbKey, byte[] pbIV)
+	    {
+	        ValidateArguments(s, bEncrypt, pbKey, pbIV);
+#if PCL
+	        var provider = SymmetricKeyAlgorithmProvider.OpenAlgorithm(SymmetricAlgorithmNames.AesCbcPkcs7);
+	        var key = provider.CreateSymmetricKey(CryptographicBuffer.GenerateRandom(32));
+	        using (var ms = new MemoryStream())
+	        {
+	            s.CopyTo(ms);
+	            if (bEncrypt)
+	            {
+	                return CryptographicEngine.Encrypt(key, ms.GetWindowsRuntimeBuffer(), CryptographicBuffer.GenerateRandom(16)).AsStream();
+	            }
+	            /*var encryptor = CryptographicEngine.CreateEncryptor(
+                    key, pbLocalIV);
+                return new CryptoStream(s, encryptor, CryptoStreamMode.Write);*/
+	        
+	            return CryptographicEngine.Decrypt(key, ms.GetWindowsRuntimeBuffer(), CryptographicBuffer.GenerateRandom(16)).AsStream();
+                /*var decryptor = CryptographicEngine.CreateDecryptor(
+	                key, pbLocalIV);
+	            return new CryptoStream(s, decryptor, CryptoStreamMode.Read);*/
+            }
+#else

-        }
-#if false
-            
+#if !KeePassRT
 			RijndaelManaged r = new RijndaelManaged();
-
 			if(r.BlockSize != 128) // AES block size
 			{
 				Debug.Assert(false);
 				r.BlockSize = 128;
 			}

-			byte[] pbLocalIV = new byte[16];
-			Array.Copy(pbIV, pbLocalIV, 16);
 			r.IV = pbLocalIV;
-
-			byte[] pbLocalKey = new byte[32];
-			Array.Copy(pbKey, pbLocalKey, 32);
 			r.KeySize = 256;
 			r.Key = pbLocalKey;
-
 			r.Mode = m_rCipherMode;
 			r.Padding = m_rCipherPadding;

@@ -126,11 +158,24 @@ namespace ModernKeePassLib.Cryptography.Cipher

 			return new CryptoStream(s, iTransform, bEncrypt ? CryptoStreamMode.Write :
 				CryptoStreamMode.Read);
-        		}
+#else
+			AesEngine aes = new AesEngine();
+			CbcBlockCipher cbc = new CbcBlockCipher(aes);
+			PaddedBufferedBlockCipher bc = new PaddedBufferedBlockCipher(cbc,
+				new Pkcs7Padding());
+			KeyParameter kp = new KeyParameter(pbLocalKey);
+			ParametersWithIV prmIV = new ParametersWithIV(kp, pbLocalIV);
+			bc.Init(bEncrypt, prmIV);
+
+			IBufferedCipher cpRead = (bEncrypt ? null : bc);
+			IBufferedCipher cpWrite = (bEncrypt ? bc : null);
+			return new CipherStream(s, cpRead, cpWrite);
 #endif

+#endif
+		}

-        public Stream EncryptStream(Stream sPlainText, byte[] pbKey, byte[] pbIV)
+		public Stream EncryptStream(Stream sPlainText, byte[] pbKey, byte[] pbIV)
 		{
 			return StandardAesEngine.CreateStream(sPlainText, true, pbKey, pbIV);
 		}
@@ -139,7 +184,5 @@ namespace ModernKeePassLib.Cryptography.Cipher
 		{
 			return StandardAesEngine.CreateStream(sEncrypted, false, pbKey, pbIV);
 		}
-
-       
-    }
+	}
 }
--- a/ModernKeePassLib/Cryptography/CryptoRandom.cs
+++ b/ModernKeePassLib/Cryptography/CryptoRandom.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,26 +18,37 @@
 */

 using System;
+using System.Security;
+#if PCL
 using Windows.Security.Cryptography;
-//using System.Windows.Forms;
-//using System.Drawing;
-
+#else
+using System.Security.Cryptography;
+#endif
+using System.IO;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.Core;
+using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Cryptography
 {
-    /// <summary>
-    /// Cryptographically strong random number generator. The returned values
-    /// are unpredictable and cannot be reproduced.
-    /// <c>CryptoRandom</c> is a singleton class.
-    /// </summary>
-    public sealed class CryptoRandom
+	/// <summary>
+	/// Cryptographically strong random number generator. The returned values
+	/// are unpredictable and cannot be reproduced.
+	/// <c>CryptoRandom</c> is a singleton class.
+	/// </summary>
+	public sealed class CryptoRandom
 	{
-		//private byte[] m_pbEntropyPool = new byte[64];
-		//private uint m_uCounter;
-		//private RNGCryptoServiceProvider m_rng = new RNGCryptoServiceProvider();
-		//private ulong m_uGeneratedBytesCount = 0;
+		private byte[] m_pbEntropyPool = new byte[64];
+		private uint m_uCounter;
+#if PCL
+		//private IRandomNumberGenerator m_rng = NetFxCrypto.RandomNumberGenerator;
+#else
+		private RNGCryptoServiceProvider m_rng = new RNGCryptoServiceProvider();
+#endif
+		private ulong m_uGeneratedBytesCount = 0;

-		// private object m_oSyncRoot = new object();
+		private object m_oSyncRoot = new object();

 		private static CryptoRandom m_pInstance = null;
 		public static CryptoRandom Instance
@@ -51,44 +62,7 @@ namespace ModernKeePassLib.Cryptography
 			}
 		}

-#if KeePassWinRT    
-         private CryptoRandom()
-		{
-		}
-
-        /// <summary>
-		/// Update the internal seed of the random number generator based
-		/// on entropy data.
-		/// This method is thread-safe.
-		/// </summary>
-		/// <param name="pbEntropy">Entropy bytes.</param>
-        public void AddEntropy(byte[] pbEntropy)
-        {
-            // Not used in WinRT version
-        }
-
-
 		/// <summary>
-		/// Get a number of cryptographically strong random bytes.
-		/// This method is thread-safe.
-		/// </summary>
-		/// <param name="uRequestedBytes">Number of requested random bytes.</param>
-		/// <returns>A byte array consisting of <paramref name="uRequestedBytes" />
-		/// random bytes.</returns>
-        public byte[] GetRandomBytes(uint uRequestedBytes)
-        {
-            if (uRequestedBytes == 0) return new byte[0]; // Allow zero-length array
-            
-            byte[] pbRes;
-
-            Windows.Storage.Streams.IBuffer buffer = CryptographicBuffer.GenerateRandom(uRequestedBytes);
-            CryptographicBuffer.CopyToByteArray(buffer, out pbRes);
-            return pbRes;
-
-        }
-
-#else
-        /// <summary>
 		/// Get the number of random bytes that this instance generated so far.
 		/// Note that this number can be higher than the number of random bytes
 		/// actually requested using the <c>GetRandomBytes</c> method.
@@ -126,19 +100,25 @@ namespace ModernKeePassLib.Cryptography
 		/// <param name="pbEntropy">Entropy bytes.</param>
 		public void AddEntropy(byte[] pbEntropy)
 		{
-
 			if(pbEntropy == null) { Debug.Assert(false); return; }
 			if(pbEntropy.Length == 0) { Debug.Assert(false); return; }

 			byte[] pbNewData = pbEntropy;
 			if(pbEntropy.Length >= 64)
 			{
-#if !KeePassLibSD 
+#if PCL
+				var shaNew = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha512);
+				pbNewData = shaNew.HashData(pbEntropy.AsBuffer()).ToArray();
+#else
+
+#if !KeePassLibSD
 				SHA512Managed shaNew = new SHA512Managed();
 #else
 				SHA256Managed shaNew = new SHA256Managed();
 #endif
 				pbNewData = shaNew.ComputeHash(pbEntropy);
+
+#endif
 			}

 			MemoryStream ms = new MemoryStream();
@@ -148,6 +128,11 @@ namespace ModernKeePassLib.Cryptography
 				ms.Write(pbNewData, 0, pbNewData.Length);

 				byte[] pbFinal = ms.ToArray();
+#if PCL
+				var shaPool = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha512);
+				m_pbEntropyPool = shaPool.HashData(pbFinal.AsBuffer()).ToArray();
+#else
+
 #if !KeePassLibSD
 				Debug.Assert(pbFinal.Length == (64 + pbNewData.Length));
 				SHA512Managed shaPool = new SHA512Managed();
@@ -155,16 +140,14 @@ namespace ModernKeePassLib.Cryptography
 				SHA256Managed shaPool = new SHA256Managed();
 #endif
 				m_pbEntropyPool = shaPool.ComputeHash(pbFinal);
+
+#endif
 			}
-			ms.Close();
-
+			ms.Dispose();
 		}

-
-
 		private static byte[] GetSystemData(Random rWeak)
 		{
-
 			MemoryStream ms = new MemoryStream();
 			byte[] pb;

@@ -174,21 +157,36 @@ namespace ModernKeePassLib.Cryptography
 			pb = TimeUtil.PackTime(DateTime.Now);
 			ms.Write(pb, 0, pb.Length);

-#if !KeePassLibSD 
-			Point pt = Cursor.Position;
-			pb = MemUtil.UInt32ToBytes((uint)pt.X);
-			ms.Write(pb, 0, pb.Length);
-			pb = MemUtil.UInt32ToBytes((uint)pt.Y);
-			ms.Write(pb, 0, pb.Length);
+#if (!PCL && !KeePassLibSD && !KeePassRT)
+			// In try-catch for systems without GUI;
+			// https://sourceforge.net/p/keepass/discussion/329221/thread/20335b73/
+			try
+			{
+				Point pt = Cursor.Position;
+				pb = MemUtil.UInt32ToBytes((uint)pt.X);
+				ms.Write(pb, 0, pb.Length);
+				pb = MemUtil.UInt32ToBytes((uint)pt.Y);
+				ms.Write(pb, 0, pb.Length);
+			}
+			catch(Exception) { }
 #endif

 			pb = MemUtil.UInt32ToBytes((uint)rWeak.Next());
 			ms.Write(pb, 0, pb.Length);

-			pb = MemUtil.UInt32ToBytes((uint)NativeLib.GetPlatformID());
+#if PCL
+			pb = MemUtil.UInt32ToBytes((uint)Environment.ProcessorCount);
 			ms.Write(pb, 0, pb.Length);

-#if !KeePassLibSD
+			pb = MemUtil.UInt32ToBytes((uint)Environment.CurrentManagedThreadId);
+			ms.Write(pb, 0, pb.Length);
+#else
+			pb = MemUtil.UInt32ToBytes((uint)NativeLib.GetPlatformID());
+			ms.Write(pb, 0, pb.Length);
+#endif
+
+#if (!PCL && !KeePassLibSD && !KeePassRT)
+			Process p = null;
 			try
 			{
 				pb = MemUtil.UInt32ToBytes((uint)Environment.ProcessorCount);
@@ -197,13 +195,11 @@ namespace ModernKeePassLib.Cryptography
 				ms.Write(pb, 0, pb.Length);

 				Version v = Environment.OSVersion.Version;
-				int nv = (v.Major << 28) + (v.MajorRevision << 24) +
-					(v.Minor << 20) + (v.MinorRevision << 16) +
-					(v.Revision << 12) + v.Build;
-				pb = MemUtil.UInt32ToBytes((uint)nv);
+				pb = MemUtil.UInt32ToBytes((uint)v.GetHashCode());
 				ms.Write(pb, 0, pb.Length);

-				Process p = Process.GetCurrentProcess();
+				p = Process.GetCurrentProcess();
+
 				pb = MemUtil.UInt64ToBytes((ulong)p.Handle.ToInt64());
 				ms.Write(pb, 0, pb.Length);
 				pb = MemUtil.UInt32ToBytes((uint)p.HandleCount);
@@ -236,33 +232,31 @@ namespace ModernKeePassLib.Cryptography
 				// ms.Write(pb, 0, pb.Length);
 			}
 			catch(Exception) { }
+			finally
+			{
+				try { if(p != null) p.Dispose(); }
+				catch(Exception) { Debug.Assert(false); }
+			}
 #endif

 			pb = Guid.NewGuid().ToByteArray();
 			ms.Write(pb, 0, pb.Length);

 			byte[] pbAll = ms.ToArray();
-			ms.Close();
+			ms.Dispose();
 			return pbAll;
-
 		}
- 

 		private byte[] GetCspData()
 		{
-            uint length = 32;
-			byte[] pbCspRandom = new byte[length];
-
-            Windows.Storage.Streams.IBuffer buffer = CryptographicBuffer.GenerateRandom(length);
-
-            CryptographicBuffer.CopyToByteArray(buffer, pbCspRandom);
+			//byte[] pbCspRandom = new byte[32];
+		    var pbCspRandom = CryptographicBuffer.GenerateRandom(32);
            //m_rng.GetBytes(pbCspRandom);
-			return pbCspRandom;
+			return pbCspRandom.ToArray();
 		}

 		private byte[] GenerateRandom256()
 		{
-           
 			if(this.GenerateRandom256Pre != null)
 				this.GenerateRandom256Pre(this, EventArgs.Empty);

@@ -281,16 +275,20 @@ namespace ModernKeePassLib.Cryptography
 				pbFinal = ms.ToArray();
 				Debug.Assert(pbFinal.Length == (m_pbEntropyPool.Length +
 					pbCounter.Length + pbCspRandom.Length));
-				ms.Close();
+				ms.Dispose();

 				m_uGeneratedBytesCount += 32;
 			}

+#if PCL
+			var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+			return sha256.HashData(pbFinal.AsBuffer()).ToArray();
+#else
 			SHA256Managed sha256 = new SHA256Managed();
 			return sha256.ComputeHash(pbFinal);
+#endif
 		}

-
 		/// <summary>
 		/// Get a number of cryptographically strong random bytes.
 		/// This method is thread-safe.
@@ -312,7 +310,7 @@ namespace ModernKeePassLib.Cryptography

 				long lCopy = (long)((uRequestedBytes < 32) ? uRequestedBytes : 32);

-#if !KeePassLibSD 
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 				Array.Copy(pbRandom256, 0, pbRes, lPos, lCopy);
 #else
 				Array.Copy(pbRandom256, 0, pbRes, (int)lPos, (int)lCopy);
@@ -325,8 +323,5 @@ namespace ModernKeePassLib.Cryptography
 			Debug.Assert((int)lPos == pbRes.Length);
 			return pbRes;
 		}
-        
-#endif // !KeePassWinRT
-
 	}
 }
--- a/ModernKeePassLib/Cryptography/CryptoRandomStream.cs
+++ b/ModernKeePassLib/Cryptography/CryptoRandomStream.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,15 +18,23 @@
 */

 using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.Core;
+#if PCL
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif

 using ModernKeePassLib.Cryptography.Cipher;

 namespace ModernKeePassLib.Cryptography
 {
-    /// <summary>
-    /// Algorithms supported by <c>CryptoRandomStream</c>.
-    /// </summary>
-    public enum CrsAlgorithm
+	/// <summary>
+	/// Algorithms supported by <c>CryptoRandomStream</c>.
+	/// </summary>
+	public enum CrsAlgorithm
 	{
 		/// <summary>
 		/// Not supported.
@@ -109,13 +117,17 @@ namespace ModernKeePassLib.Cryptography
 			}
 			else if(genAlgorithm == CrsAlgorithm.Salsa20)
 			{
-                byte[] pbKey32 = SHA256Managed.Instance.ComputeHash(pbKey);
-               
-				byte[] pbIV = new byte[]{ 0xE8, 0x30, 0x09, 0x4B,
+#if PCL
+				var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+				var pbKey32 = sha256.HashData(pbKey.AsBuffer()).ToArray();
+#else
+				SHA256Managed sha256 = new SHA256Managed();
+				byte[] pbKey32 = sha256.ComputeHash(pbKey);
+#endif
+				byte[] pbIV = new byte[8] { 0xE8, 0x30, 0x09, 0x4B,
 					0x97, 0x20, 0x5D, 0x2A }; // Unique constant

 				m_salsa20 = new Salsa20Cipher(pbKey32, pbIV);
-
 			}
 			else // Unknown algorithm
 			{
--- a/ModernKeePassLib/Cryptography/HashingStreamEx.cs
+++ b/ModernKeePassLib/Cryptography/HashingStreamEx.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,85 +17,80 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-using ModernKeePassLib.Utility;
 using System;
 using System.Collections.Generic;
+using System.Text;
 using System.IO;
+#if PCL
 using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
 using Windows.Security.Cryptography.Core;
+using ModernKeePassLib.Utility;
+using CryptographicHash = Windows.Security.Cryptography.Core.CryptographicHash;

 namespace ModernKeePassLib.Cryptography
 {
-    public sealed class HashingStreamEx : Stream
-    {
-        private Stream m_sBaseStream;
-        private bool m_bWriting;
-        private Queue<byte[]> m_DataToHash;
-        //private HashAlgorithm m_hash;
-
-        public byte[] Hash
-        {
-            get
-            {
-                int len = 0;
-                foreach (byte[] block in m_DataToHash)
-                {
-                    len += block.Length;
-                }
-                byte[] dataToHash = new byte[len];
-                int pos = 0;
-                while(m_DataToHash.Count > 0)
-                {
-                    byte[] block = m_DataToHash.Dequeue();
-                    Array.Copy(block, 0, dataToHash, pos, block.Length);
-                    pos += block.Length;
-                }
-
-                byte[] hash = SHA256Managed.Instance.ComputeHash(dataToHash);
-                return hash;
-            }
-        }
-
-        public override bool CanRead
-        {
-            get { return !m_bWriting; }
-        }
-
-        public override bool CanSeek
-        {
-            get { return false; }
-        }
-
-        public override bool CanWrite
-        {
-            get { return m_bWriting; }
-        }
-
-        public override long Length
-        {
-            get { return m_sBaseStream.Length; }
-        }
-
-        public override long Position
-        {
-            get { return m_sBaseStream.Position; }
-            set { throw new NotSupportedException(); }
-        }
-
-        public HashingStreamEx(Stream sBaseStream, bool bWriting, CryptographicHash hashAlgorithm)
-        {
-            if (sBaseStream == null) throw new ArgumentNullException("sBaseStream");
-
-            m_sBaseStream = sBaseStream;
-            m_bWriting = bWriting;
-
-#if KeePassWinRT
-
-            m_DataToHash = new Queue<byte[]>();
-
-
+	public sealed class HashingStreamEx : Stream
+	{
+		private Stream m_sBaseStream;
+		private bool m_bWriting;
+#if PCL
+		private CryptographicHash m_hash;
 #else
-#if !KeePassLibSD
+		private HashAlgorithm m_hash;
+#endif
+
+		private byte[] m_pbFinalHash = null;
+
+		public byte[] Hash
+		{
+			get { return m_pbFinalHash; }
+		}
+
+		public override bool CanRead
+		{
+			get { return !m_bWriting; }
+		}
+
+		public override bool CanSeek
+		{
+			get { return false; }
+		}
+
+		public override bool CanWrite
+		{
+			get { return m_bWriting; }
+		}
+
+		public override long Length
+		{
+			get { return m_sBaseStream.Length; }
+		}
+
+		public override long Position
+		{
+			get { return m_sBaseStream.Position; }
+			set { throw new NotSupportedException(); }
+		}
+
+#if PCL
+		public HashingStreamEx(Stream sBaseStream, bool bWriting, string hashAlgorithm)
+#else
+		public HashingStreamEx(Stream sBaseStream, bool bWriting, HashAlgorithm hashAlgorithm)
+#endif
+		{
+			if(sBaseStream == null)
+                throw new ArgumentNullException("sBaseStream");
+
+			m_sBaseStream = sBaseStream;
+			m_bWriting = bWriting;
+#if PCL
+			m_hash = HashAlgorithmProvider.OpenAlgorithm(hashAlgorithm ?? HashAlgorithmNames.Sha256).CreateHash();
+#elif !KeePassLibSD
 			m_hash = (hashAlgorithm ?? new SHA256Managed());
 #else // KeePassLibSD
 			m_hash = null;
@@ -105,91 +100,98 @@ namespace ModernKeePassLib.Cryptography
 			try { if(m_hash == null) m_hash = HashAlgorithm.Create(); }
 			catch(Exception) { }
 #endif
-#endif // KeePassWinRT
+			if(m_hash == null) { Debug.Assert(false); return; }

-
-#if TODO 
-            // Bert TODO: For the time being, only built-in Hash algorithm are supported.
-            if (m_hash == null) { Debug.Assert(false); return; }
 			// Validate hash algorithm
-			if((!m_hash.CanReuseTransform) || (!m_hash.CanTransformMultipleBlocks) ||
+			/*if((!m_hash.CanReuseTransform) || (!m_hash.CanTransformMultipleBlocks) ||
 				(m_hash.InputBlockSize != 1) || (m_hash.OutputBlockSize != 1))
 			{
-#if DEBUG
+#if false && DEBUG
 				MessageService.ShowWarning("Broken HashAlgorithm object in HashingStreamEx.");
 #endif
 				m_hash = null;
-			}
-#endif
-        }
+			}*/
+		}

-        public override void Flush()
-        {
-            m_sBaseStream.Flush();
-        }
-        
-		/*public override void Close()
+		public override void Flush()
 		{
+			m_sBaseStream.Flush();
+		}

+#if PCL || KeePassRT
+		protected override void Dispose(bool disposing)
+		{
+			if(!disposing) return;
+#else
+		public override void Close()
+		{
+#endif
 			if(m_hash != null)
 			{
 				try
 				{
-					m_hash.TransformFinalBlock(new byte[0], 0, 0);
-
+					//m_hash.TransformFinalBlock(new byte[0], 0, 0);
+#if PCL
+					m_pbFinalHash = m_hash.GetValueAndReset().ToArray();
+#else
 					m_pbFinalHash = m_hash.Hash;
+#endif
 				}
 				catch(Exception) { Debug.Assert(false); }

 				m_hash = null;
 			}

-			m_sBaseStream.Close();
+			m_sBaseStream.Dispose();
+		}

-		}*/
+		public override long Seek(long lOffset, SeekOrigin soOrigin)
+		{
+			throw new NotSupportedException();
+		}

-        public override long Seek(long lOffset, SeekOrigin soOrigin)
-        {
-            throw new NotSupportedException();
-        }
+		public override void SetLength(long lValue)
+		{
+			throw new NotSupportedException();
+		}

-        public override void SetLength(long lValue)
-        {
-            throw new NotSupportedException();
-        }
+		public override int Read(byte[] pbBuffer, int nOffset, int nCount)
+		{
+			if(m_bWriting) throw new InvalidOperationException();

-        public override int Read(byte[] pbBuffer, int nOffset, int nCount)
-        {
+			int nRead = m_sBaseStream.Read(pbBuffer, nOffset, nCount);
+			int nPartialRead = nRead;
+			while((nRead < nCount) && (nPartialRead != 0))
+			{
+				nPartialRead = m_sBaseStream.Read(pbBuffer, nOffset + nRead,
+					nCount - nRead);
+				nRead += nPartialRead;
+			}

-            if (m_bWriting) throw new InvalidOperationException();
+#if DEBUG
+			byte[] pbOrg = new byte[pbBuffer.Length];
+			Array.Copy(pbBuffer, pbOrg, pbBuffer.Length);
+#endif

-            int nRead = m_sBaseStream.Read(pbBuffer, nOffset, nCount);
+			/*if((m_hash != null) && (nRead > 0))
+				m_hash.TransformBlock(pbBuffer, nOffset, nRead, pbBuffer, nOffset);*/

-            // Mono bug workaround (LaunchPad 798910)
-            int nPartialRead = nRead;
-            while ((nRead < nCount) && (nPartialRead != 0))
-            {
-                nPartialRead = m_sBaseStream.Read(pbBuffer, nOffset + nRead,
-                    nCount - nRead);
-                nRead += nPartialRead;
-            }
+#if DEBUG
+			Debug.Assert(MemUtil.ArraysEqual(pbBuffer, pbOrg));
+#endif

-            byte[] pbOrg = new byte[nRead];
-            Array.Copy(pbBuffer, pbOrg, nRead);
-            m_DataToHash.Enqueue(pbOrg);
-			
-            return nRead;
-        }
+			return nRead;
+		}

-        public override void Write(byte[] pbBuffer, int nOffset, int nCount)
-        {
+		public override void Write(byte[] pbBuffer, int nOffset, int nCount)
+		{
 			if(!m_bWriting) throw new InvalidOperationException();

 #if DEBUG
 			byte[] pbOrg = new byte[pbBuffer.Length];
 			Array.Copy(pbBuffer, pbOrg, pbBuffer.Length);
 #endif
-            // TODO: implement this
+
 			/*if((m_hash != null) && (nCount > 0))
 				m_hash.TransformBlock(pbBuffer, nOffset, nCount, pbBuffer, nOffset);*/

@@ -198,7 +200,6 @@ namespace ModernKeePassLib.Cryptography
 #endif

 			m_sBaseStream.Write(pbBuffer, nOffset, nCount);
-            
-        }
-    }
+		}
+	}
 }
--- a/ModernKeePassLib/Cryptography/HmacOtp.cs
+++ b/ModernKeePassLib/Cryptography/HmacOtp.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,15 +17,23 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

+using System;
+#if PCL
+using Windows.Security.Cryptography.Core;
+#else
+using System.Security.Cryptography;
+#endif
+using System.Globalization;
+using System.Runtime.InteropServices.WindowsRuntime;
+using ModernKeePassLib.Utility;

-
-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 namespace ModernKeePassLib.Cryptography
 {
-    /// <summary>
-    /// Generate HMAC-based one-time passwords as specified in RFC 4226.
-    /// </summary>
-    public static class HmacOtp
+	/// <summary>
+	/// Generate HMAC-based one-time passwords as specified in RFC 4226.
+	/// </summary>
+	public static class HmacOtp
 	{
 		private static readonly uint[] vDigitsPower = new uint[]{ 1, 10, 100,
 			1000, 10000, 100000, 1000000, 10000000, 100000000 };
@@ -33,14 +41,17 @@ namespace ModernKeePassLib.Cryptography
 		public static string Generate(byte[] pbSecret, ulong uFactor,
 			uint uCodeDigits, bool bAddChecksum, int iTruncationOffset)
 		{
-            Debug.Assert(false, "Not yet implemented");
-            return null;
-#if TODO
 			byte[] pbText = MemUtil.UInt64ToBytes(uFactor);
 			Array.Reverse(pbText); // Big-Endian

+#if PCL
+			var hsha1 = MacAlgorithmProvider.OpenAlgorithm(MacAlgorithmNames.HmacSha1).CreateHash(pbSecret.AsBuffer());
+			hsha1.Append(pbText.AsBuffer());
+			var pbHash = hsha1.GetValueAndReset().ToArray();
+#else
 			HMACSHA1 hsha1 = new HMACSHA1(pbSecret);
 			byte[] pbHash = hsha1.ComputeHash(pbText);
+#endif

 			uint uOffset = (uint)(pbHash[pbHash.Length - 1] & 0xF);
 			if((iTruncationOffset >= 0) && (iTruncationOffset < (pbHash.Length - 4)))
@@ -56,8 +67,8 @@ namespace ModernKeePassLib.Cryptography
 				uOtp = ((uOtp * 10) + CalculateChecksum(uOtp, uCodeDigits));

 			uint uDigits = (bAddChecksum ? (uCodeDigits + 1) : uCodeDigits);
-			return uOtp.ToString().PadLeft((int)uDigits, '0');
-#endif
+			return uOtp.ToString(NumberFormatInfo.InvariantInfo).PadLeft(
+				(int)uDigits, '0');
 		}

 		private static readonly uint[] vDoubleDigits = new uint[]{ 0, 2, 4, 6, 8,
--- a/ModernKeePassLib/Cryptography/PasswordGenerator/CharSetBasedGenerator.cs
+++ b/ModernKeePassLib/Cryptography/PasswordGenerator/CharSetBasedGenerator.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Cryptography/PasswordGenerator/CustomPwGenerator.cs
+++ b/ModernKeePassLib/Cryptography/PasswordGenerator/CustomPwGenerator.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Cryptography/PasswordGenerator/CustomPwGeneratorPool.cs
+++ b/ModernKeePassLib/Cryptography/PasswordGenerator/CustomPwGeneratorPool.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -66,7 +66,7 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator

 			foreach(CustomPwGenerator pwg in m_vGens)
 			{
-				if(uuid.EqualsValue(pwg.Uuid)) return pwg;
+				if(uuid.Equals(pwg.Uuid)) return pwg;
 			}

 			return null;
@@ -90,7 +90,7 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator

 			for(int i = 0; i < m_vGens.Count; ++i)
 			{
-				if(uuid.EqualsValue(m_vGens[i].Uuid)) return i;
+				if(uuid.Equals(m_vGens[i].Uuid)) return i;
 			}

 			return -1;
--- a/ModernKeePassLib/Cryptography/PasswordGenerator/PatternBasedGenerator.cs
+++ b/ModernKeePassLib/Cryptography/PasswordGenerator/PatternBasedGenerator.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -67,6 +67,17 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 						pcsUsed.Add(ch);
 					}
 				}
+				else if(ch == '^')
+				{
+					ch = csStream.ReadChar();
+					if(ch == char.MinValue) // ^ at the end
+					{
+						vGenerated.AddLast('^');
+						break;
+					}
+
+					if(bInCharSetDef) pcsCustom.Remove(ch);
+				}
 				else if(ch == '[')
 				{
 					pcsCustom.Clear();
--- a/ModernKeePassLib/Cryptography/PasswordGenerator/PwCharSet.cs
+++ b/ModernKeePassLib/Cryptography/PasswordGenerator/PwCharSet.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -46,51 +46,87 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 		public const string Invalid = "\t\r\n";
 		public const string LookAlike = @"O0l1I|";

+		internal const string MenuAccels = PwCharSet.LowerCase + PwCharSet.Digits;
+
 		private const int CharTabSize = (0x10000 / 8);

 		private List<char> m_vChars = new List<char>();
 		private byte[] m_vTab = new byte[CharTabSize];

-		private string m_strHighAnsi = string.Empty;
-		private string m_strSpecial = string.Empty;
+		private static string m_strHighAnsi = null;
+		public static string HighAnsiChars
+		{
+			get
+			{
+				if(m_strHighAnsi == null) { new PwCharSet(); } // Create string
+				Debug.Assert(m_strHighAnsi != null);
+				return m_strHighAnsi;
+			}
+		}
+
+		private static string m_strSpecial = null;
+		public static string SpecialChars
+		{
+			get
+			{
+				if(m_strSpecial == null) { new PwCharSet(); } // Create string
+				Debug.Assert(m_strSpecial != null);
+				return m_strSpecial;
+			}
+		}

 		/// <summary>
 		/// Create a new, empty character set collection object.
 		/// </summary>
 		public PwCharSet()
 		{
-			this.Initialize(true);
+			Initialize(true);
 		}

 		public PwCharSet(string strCharSet)
 		{
-			this.Initialize(true);
-			this.Add(strCharSet);
+			Initialize(true);
+			Add(strCharSet);
 		}

 		private PwCharSet(bool bFullInitialize)
 		{
-			this.Initialize(bFullInitialize);
+			Initialize(bFullInitialize);
 		}

 		private void Initialize(bool bFullInitialize)
 		{
-			this.Clear();
+			Clear();

-			if(bFullInitialize == false) return;
+			if(!bFullInitialize) return;

-			StringBuilder sbHighAnsi = new StringBuilder();
-			for(char ch = '~'; ch < 255; ++ch)
-				sbHighAnsi.Append(ch);
-			m_strHighAnsi = sbHighAnsi.ToString();
+			if(m_strHighAnsi == null)
+			{
+				StringBuilder sbHighAnsi = new StringBuilder();
+				// [U+0080, U+009F] are C1 control characters,
+				// U+00A0 is non-breaking space
+				for(char ch = '\u00A1'; ch <= '\u00AC'; ++ch)
+					sbHighAnsi.Append(ch);
+				// U+00AD is soft hyphen (format character)
+				for(char ch = '\u00AE'; ch < '\u00FF'; ++ch)
+					sbHighAnsi.Append(ch);
+				sbHighAnsi.Append('\u00FF');

-			PwCharSet pcs = new PwCharSet(false);
-			pcs.AddRange('!', '/');
-			pcs.AddRange(':', '@');
-			pcs.AddRange('[', '`');
-			pcs.Remove(@"-_ ");
-			pcs.Remove(PwCharSet.Brackets);
-			m_strSpecial = pcs.ToString();
+				m_strHighAnsi = sbHighAnsi.ToString();
+			}
+
+			if(m_strSpecial == null)
+			{
+				PwCharSet pcs = new PwCharSet(false);
+				pcs.AddRange('!', '/');
+				pcs.AddRange(':', '@');
+				pcs.AddRange('[', '`');
+				pcs.Add(@"|~");
+				pcs.Remove(@"-_ ");
+				pcs.Remove(PwCharSet.Brackets);
+
+				m_strSpecial = pcs.ToString();
+			}
 		}

 		/// <summary>
@@ -118,9 +154,6 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 			}
 		}

-		public string SpecialChars { get { return m_strSpecial; } }
-		public string HighAnsiChars { get { return m_strHighAnsi; } }
-
 		/// <summary>
 		/// Remove all characters from this set.
 		/// </summary>
@@ -142,7 +175,7 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator

 			foreach(char ch in strCharacters)
 			{
-				if(this.Contains(ch) == false) return false;
+				if(!Contains(ch)) return false;
 			}

 			return true;
@@ -156,7 +189,7 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 		{
 			if(ch == char.MinValue) { Debug.Assert(false); return; }

-			if(this.Contains(ch) == false)
+			if(!Contains(ch))
 			{
 				m_vChars.Add(ch);
 				m_vTab[ch / 8] |= (byte)(1 << (ch % 8));
@@ -175,20 +208,20 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 			m_vChars.Capacity = m_vChars.Count + strCharSet.Length;

 			foreach(char ch in strCharSet)
-				this.Add(ch);
+				Add(ch);
 		}

 		public void Add(string strCharSet1, string strCharSet2)
 		{
-			this.Add(strCharSet1);
-			this.Add(strCharSet2);
+			Add(strCharSet1);
+			Add(strCharSet2);
 		}

 		public void Add(string strCharSet1, string strCharSet2, string strCharSet3)
 		{
-			this.Add(strCharSet1);
-			this.Add(strCharSet2);
-			this.Add(strCharSet3);
+			Add(strCharSet1);
+			Add(strCharSet2);
+			Add(strCharSet3);
 		}

 		public void AddRange(char chMin, char chMax)
@@ -196,9 +229,9 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 			m_vChars.Capacity = m_vChars.Count + (chMax - chMin) + 1;

 			for(char ch = chMin; ch < chMax; ++ch)
-				this.Add(ch);
+				Add(ch);

-			this.Add(chMax);
+			Add(chMax);
 		}

 		public bool AddCharSet(char chCharSetIdentifier)
@@ -207,29 +240,29 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator

 			switch(chCharSetIdentifier)
 			{
-				case 'a': this.Add(PwCharSet.LowerCase, PwCharSet.Digits); break;
-				case 'A': this.Add(PwCharSet.LowerCase, PwCharSet.UpperCase,
+				case 'a': Add(PwCharSet.LowerCase, PwCharSet.Digits); break;
+				case 'A': Add(PwCharSet.LowerCase, PwCharSet.UpperCase,
 					PwCharSet.Digits); break;
-				case 'U': this.Add(PwCharSet.UpperCase, PwCharSet.Digits); break;
-				case 'c': this.Add(PwCharSet.LowerConsonants); break;
-				case 'C': this.Add(PwCharSet.LowerConsonants,
+				case 'U': Add(PwCharSet.UpperCase, PwCharSet.Digits); break;
+				case 'c': Add(PwCharSet.LowerConsonants); break;
+				case 'C': Add(PwCharSet.LowerConsonants,
 					PwCharSet.UpperConsonants); break;
-				case 'z': this.Add(PwCharSet.UpperConsonants); break;
-				case 'd': this.Add(PwCharSet.Digits); break; // Digit
-				case 'h': this.Add(PwCharSet.LowerHex); break;
-				case 'H': this.Add(PwCharSet.UpperHex); break;
-				case 'l': this.Add(PwCharSet.LowerCase); break;
-				case 'L': this.Add(PwCharSet.LowerCase, PwCharSet.UpperCase); break;
-				case 'u': this.Add(PwCharSet.UpperCase); break;
-				case 'p': this.Add(PwCharSet.Punctuation); break;
-				case 'b': this.Add(PwCharSet.Brackets); break;
-				case 's': this.Add(PwCharSet.PrintableAsciiSpecial); break;
-				case 'S': this.Add(PwCharSet.UpperCase, PwCharSet.LowerCase);
-					this.Add(PwCharSet.Digits, PwCharSet.PrintableAsciiSpecial); break;
-				case 'v': this.Add(PwCharSet.LowerVowels); break;
-				case 'V': this.Add(PwCharSet.LowerVowels, PwCharSet.UpperVowels); break;
-				case 'Z': this.Add(PwCharSet.UpperVowels); break;
-				case 'x': this.Add(m_strHighAnsi); break;
+				case 'z': Add(PwCharSet.UpperConsonants); break;
+				case 'd': Add(PwCharSet.Digits); break; // Digit
+				case 'h': Add(PwCharSet.LowerHex); break;
+				case 'H': Add(PwCharSet.UpperHex); break;
+				case 'l': Add(PwCharSet.LowerCase); break;
+				case 'L': Add(PwCharSet.LowerCase, PwCharSet.UpperCase); break;
+				case 'u': Add(PwCharSet.UpperCase); break;
+				case 'p': Add(PwCharSet.Punctuation); break;
+				case 'b': Add(PwCharSet.Brackets); break;
+				case 's': Add(PwCharSet.PrintableAsciiSpecial); break;
+				case 'S': Add(PwCharSet.UpperCase, PwCharSet.LowerCase);
+					Add(PwCharSet.Digits, PwCharSet.PrintableAsciiSpecial); break;
+				case 'v': Add(PwCharSet.LowerVowels); break;
+				case 'V': Add(PwCharSet.LowerVowels, PwCharSet.UpperVowels); break;
+				case 'Z': Add(PwCharSet.UpperVowels); break;
+				case 'x': Add(m_strHighAnsi); break;
 				default: bResult = false; break;
 			}

@@ -238,7 +271,7 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator

 		public bool Remove(char ch)
 		{
-			m_vTab[ch / 8] &= (byte)~(1 << (ch % 8));
+			m_vTab[ch / 8] &= (byte)(~(1 << (ch % 8)));
 			return m_vChars.Remove(ch);
 		}

@@ -261,10 +294,10 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 			Debug.Assert(strCharacters != null);
 			if(strCharacters == null) throw new ArgumentNullException("strCharacters");

-			if(this.Contains(strCharacters) == false)
+			if(!Contains(strCharacters))
 				return false;

-			return this.Remove(strCharacters);
+			return Remove(strCharacters);
 		}

 		/// <summary>
@@ -284,16 +317,16 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 		{
 			StringBuilder sb = new StringBuilder();

-			sb.Append(this.RemoveIfAllExist(PwCharSet.UpperCase) ? 'U' : '_');
-			sb.Append(this.RemoveIfAllExist(PwCharSet.LowerCase) ? 'L' : '_');
-			sb.Append(this.RemoveIfAllExist(PwCharSet.Digits) ? 'D' : '_');
-			sb.Append(this.RemoveIfAllExist(m_strSpecial) ? 'S' : '_');
-			sb.Append(this.RemoveIfAllExist(PwCharSet.Punctuation) ? 'P' : '_');
-			sb.Append(this.RemoveIfAllExist(@"-") ? 'm' : '_');
-			sb.Append(this.RemoveIfAllExist(@"_") ? 'u' : '_');
-			sb.Append(this.RemoveIfAllExist(@" ") ? 's' : '_');
-			sb.Append(this.RemoveIfAllExist(PwCharSet.Brackets) ? 'B' : '_');
-			sb.Append(this.RemoveIfAllExist(m_strHighAnsi) ? 'H' : '_');
+			sb.Append(RemoveIfAllExist(PwCharSet.UpperCase) ? 'U' : '_');
+			sb.Append(RemoveIfAllExist(PwCharSet.LowerCase) ? 'L' : '_');
+			sb.Append(RemoveIfAllExist(PwCharSet.Digits) ? 'D' : '_');
+			sb.Append(RemoveIfAllExist(m_strSpecial) ? 'S' : '_');
+			sb.Append(RemoveIfAllExist(PwCharSet.Punctuation) ? 'P' : '_');
+			sb.Append(RemoveIfAllExist(@"-") ? 'm' : '_');
+			sb.Append(RemoveIfAllExist(@"_") ? 'u' : '_');
+			sb.Append(RemoveIfAllExist(@" ") ? 's' : '_');
+			sb.Append(RemoveIfAllExist(PwCharSet.Brackets) ? 'B' : '_');
+			sb.Append(RemoveIfAllExist(m_strHighAnsi) ? 'H' : '_');

 			return sb.ToString();
 		}
@@ -303,16 +336,16 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 			if(strRanges == null) { Debug.Assert(false); return; }
 			if(strRanges.Length < 10) { Debug.Assert(false); return; }

-			if(strRanges[0] != '_') this.Add(PwCharSet.UpperCase);
-			if(strRanges[1] != '_') this.Add(PwCharSet.LowerCase);
-			if(strRanges[2] != '_') this.Add(PwCharSet.Digits);
-			if(strRanges[3] != '_') this.Add(m_strSpecial);
-			if(strRanges[4] != '_') this.Add(PwCharSet.Punctuation);
-			if(strRanges[5] != '_') this.Add('-');
-			if(strRanges[6] != '_') this.Add('_');
-			if(strRanges[7] != '_') this.Add(' ');
-			if(strRanges[8] != '_') this.Add(PwCharSet.Brackets);
-			if(strRanges[9] != '_') this.Add(m_strHighAnsi);
+			if(strRanges[0] != '_') Add(PwCharSet.UpperCase);
+			if(strRanges[1] != '_') Add(PwCharSet.LowerCase);
+			if(strRanges[2] != '_') Add(PwCharSet.Digits);
+			if(strRanges[3] != '_') Add(m_strSpecial);
+			if(strRanges[4] != '_') Add(PwCharSet.Punctuation);
+			if(strRanges[5] != '_') Add('-');
+			if(strRanges[6] != '_') Add('_');
+			if(strRanges[7] != '_') Add(' ');
+			if(strRanges[8] != '_') Add(PwCharSet.Brackets);
+			if(strRanges[9] != '_') Add(m_strHighAnsi);
 		}
 	}
 }
--- a/ModernKeePassLib/Cryptography/PasswordGenerator/PwGenerator.cs
+++ b/ModernKeePassLib/Cryptography/PasswordGenerator/PwGenerator.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Cryptography/PasswordGenerator/PwProfile.cs
+++ b/ModernKeePassLib/Cryptography/PasswordGenerator/PwProfile.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,8 +18,11 @@
 */

 using System;
-using System.ComponentModel;
+using System.Collections.Generic;
+using System.Text;
 using System.Xml.Serialization;
+using System.ComponentModel;
+using System.Diagnostics;

 using ModernKeePassLib.Interfaces;
 using ModernKeePassLib.Security;
@@ -27,12 +30,12 @@ using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Cryptography.PasswordGenerator
 {
-    /// <summary>
-    /// Type of the password generator. Different types like generators
-    /// based on given patterns, based on character sets, etc. are
-    /// available.
-    /// </summary>
-    public enum PasswordGeneratorType
+	/// <summary>
+	/// Type of the password generator. Different types like generators
+	/// based on given patterns, based on character sets, etc. are
+	/// available.
+	/// </summary>
+	public enum PasswordGeneratorType
 	{
 		/// <summary>
 		/// Generator based on character spaces/sets, i.e. groups
@@ -250,14 +253,15 @@ namespace ModernKeePassLib.Cryptography.PasswordGenerator
 				if((ch >= 'A') && (ch <= 'Z')) pcs.Add(PwCharSet.UpperCase);
 				else if((ch >= 'a') && (ch <= 'z')) pcs.Add(PwCharSet.LowerCase);
 				else if((ch >= '0') && (ch <= '9')) pcs.Add(PwCharSet.Digits);
-				else if((@"!#$%&'*+,./:;=?@^").IndexOf(ch) >= 0) pcs.Add(pcs.SpecialChars);
+				else if(PwCharSet.SpecialChars.IndexOf(ch) >= 0)
+					pcs.Add(PwCharSet.SpecialChars);
 				else if(ch == ' ') pcs.Add(' ');
 				else if(ch == '-') pcs.Add('-');
 				else if(ch == '_') pcs.Add('_');
-				else if(ch == '\"') pcs.Add(pcs.SpecialChars);
-				else if(ch == '\\') pcs.Add(pcs.SpecialChars);
-				else if((@"()[]{}<>").IndexOf(ch) >= 0) pcs.Add(PwCharSet.Brackets);
-				else if((ch >= '~') && (ch <= 255)) pcs.Add(pcs.HighAnsiChars);
+				else if(PwCharSet.Brackets.IndexOf(ch) >= 0)
+					pcs.Add(PwCharSet.Brackets);
+				else if(PwCharSet.HighAnsiChars.IndexOf(ch) >= 0)
+					pcs.Add(PwCharSet.HighAnsiChars);
 				else pcs.Add(ch);
 			}

--- a/ModernKeePassLib/Cryptography/PopularPasswords.cs
+++ b/ModernKeePassLib/Cryptography/PopularPasswords.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,522 +18,117 @@
 */

 using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Diagnostics;

 using ModernKeePassLib.Utility;

-#if !KeePassLibSD
 namespace ModernKeePassLib.Cryptography
 {
-    /// <summary>
-    /// Bloom filter-based popular password checking.
-    /// </summary>
-    public static class PopularPasswords
+	public static class PopularPasswords
 	{
-		private const int PpcTableSize = 8192 * 8; // Bits, multiple of 64
+		private static Dictionary<int, Dictionary<string, bool>> m_dicts =
+			new Dictionary<int, Dictionary<string, bool>>();

-		// Bits set: 32433 of 65536
-		// Hash functions: 32
-		// Phi (bits unset ratio) estimation: 0.505455388896019
-		// Exact Phi: 0.505111694335938
-		// False positives ratio: 1.67583063859565E-10
-		private static readonly ulong[] PpcTable = {
-			0x60383D3A85560B9BUL, 0x2578CE9D37C6AEB7UL, 0xF509A5743FD03228UL,
-			0x19B7455E8933EE56UL, 0x5EA419ADCFD9C20EUL, 0xEA618EFC0B37A162UL,
-			0xE0FD4D1FFF1CE415UL, 0x7A649E0301BB6060UL, 0x80D9CD9F9EEB603DUL,
-			0x47D6010D0D6E6CDEUL, 0x2552708C589EB554UL, 0x073F1A3DB3267502UL,
-			0x3313FEC2A2FEA475UL, 0x4593665C44934FEBUL, 0x410A301A23660395UL,
-			0x6AD06DA533FF5659UL, 0x423DAF86F3E41F4AUL, 0x82F035A971C6FD18UL,
-			0xB5E9139F28C93223UL, 0x1D07C3F4160585CAUL, 0x24B01EDB6B23E2C5UL,
-			0xD52F25B724F936C9UL, 0x8018392517836928UL, 0x3AA4C0F8E181EDA2UL,
-			0x8D93683EF7D52529UL, 0x6164BB6208114460UL, 0x737A04D8FEF3D88FUL,
-			0x3400097098D5C2CBUL, 0x3C2B9ABE5C455B2EUL, 0x3A3819973AB32DA2UL,
-			0x38ACB428510AF40BUL, 0x83320D5114B74771UL, 0xC25BEC333B90DCD1UL,
-			0x0E9F412FBA3813D1UL, 0x047E31E3098EB2B8UL, 0xBB686AC643F1741FUL,
-			0x0BE22E9C0EF0E8F2UL, 0x65AA9504E5F40D31UL, 0xE018DF5D64C62AC7UL,
-			0x17020E9A7EFA12EDUL, 0xFC12A7C16006DE82UL, 0x8DE4747E3745346DUL,
-			0x31D8C051A43CECAFUL, 0xBE9AFBEF127C1B12UL, 0xAEE94B4B808BBEE2UL,
-			0x3A0099CA32835B41UL, 0x59EB3173468D8C49UL, 0x6F89DB1E6DAAE9E1UL,
-			0x4C1ADAA837E968E4UL, 0x6E3593A56C682769UL, 0x022AD591689B5B82UL,
-			0x4AC33861ED978032UL, 0xF6F476E4E6A1318DUL, 0x2DA690A11AA05A23UL,
-			0x916FC56378C29D77UL, 0xAB3238BE22294659UL, 0x2D73A29019B28C77UL,
-			0xAAF26C12EC9C3C42UL, 0x058A278A24B334F9UL, 0x033BD18FB8D9BACDUL,
-			0x8B3833596008B07CUL, 0x280B6D093333E5E5UL, 0x2128DBE126CA3E1EUL,
-			0xCCF09769382472D8UL, 0x0CB6E495BD90CED6UL, 0x1303A37577C01C5AUL,
-			0xC8BBF4734FC34C53UL, 0x1B38B72B10F86CD5UL, 0x5098E2D6C1892E51UL,
-			0x2DD8065B79DB5380UL, 0x5B9A1A6D6A2292B7UL, 0xC70F751604D0497CUL,
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-			0xE52EDE847038EA23UL, 0xB8A3EFD3D58D7607UL, 0x748472F5AD330239UL,
-			0xCC079CFD428690F6UL, 0x3687450CB7534DACUL, 0x0FEF82D5CC8ACE2AUL,
-			0x214653D5C552CA9AUL, 0x9FCA4E87BF6A04FDUL, 0x78D4B114D234A0D7UL,
-			0x22840422BD6A5BB5UL, 0x5B9ABE0DE1B4410FUL, 0xB3B50007963FDD6BUL,
-			0x53A8A46793B68E35UL, 0x8CDD8E8D188B6033UL, 0x5DD22B6E3ED49572UL,
-			0xE561F5D27F5302D6UL, 0xDF89CEC3322E56CDUL, 0x87167F503D600F90UL,
-			0x1698BB71C8201862UL, 0xF7BF5DFDB023108EUL, 0xA17FB15B66ACFB5FUL,
-			0x2DD771987768073BUL, 0x19299D2D86E0EB29UL, 0x8B537B7F206EED29UL,
-			0xE536DA153325ABFCUL, 0x30A69976796DB3B9UL, 0x8E65A2C94E2D4981UL,
-			0xC301D53553BD6514UL, 0x46DF3639B9E43790UL, 0x3004CD0E5AFD0463UL,
-			0x46E460B0F6ACA1A0UL, 0xCBA210E7372D9BD5UL, 0x45064274A74CA582UL,
-			0xFDD57EA43CE631AEUL, 0xF2BA08FFA4A683D0UL, 0x8DA658C4DAD42999UL,
-			0x7418042943E88040UL, 0x96000F72E9371FEFUL, 0xE9F1212DC8F47302UL,
-			0x2AFB565ECC3553EDUL, 0xCD3D55137EFF7FD6UL, 0xD36F11059388E442UL,
-			0xC4B47515DB5709DDUL, 0x5C363EFBF0BAAB67UL, 0x28C63B5A31650BBBUL,
-			0x6AE54E5068061C81UL, 0xDEE62000F4E0AA21UL, 0xE8238672FE088A8BUL,
-			0x9869CB6370F075B9UL, 0xBA376E2FC7DB330FUL, 0xB0F73E208487CDEEUL,
-			0x359D5017BE37FE97UL, 0x684D828C7F95E2DCUL, 0x9985ECA20E46AE1FUL,
-			0x8030A5137D1A21C4UL, 0xF78CDC00FC37AC39UL, 0x41CDDC8E61D9C644UL,
-			0xB6F3CD1D833BAD1DUL, 0x301D0D858A23DE22UL, 0xA51FCA12AD849BC8UL,
-			0x9F55E615986AB10EUL, 0x904AAA59854F2215UL, 0x12ECEA4AB40F51A7UL,
-			0xB4EDF5807735E23BUL, 0x6190200F1C589478UL, 0xA3CA57F321909A5AUL,
-			0x0BFAEE04B7325B63UL, 0x10C393E7FBCF826DUL, 0x4050A2CA53FDA708UL,
-			0xF31114A9B462B680UL, 0x6FB9A6F121BA2006UL, 0x04550CF09389D602UL,
-			0xB8C7D6D8CA8942F7UL, 0x71BB430C6436E9D1UL, 0xD9070DD5FAA0A10AUL,
-			0x8FD6827757D07E5BUL, 0xD04E6C313F8FD974UL, 0x2CFDEA1187909B9AUL,
-			0xC7A8E758C115F593UL, 0xA79A17663009ACC2UL, 0x8091A6B5372B141DUL,
-			0xEB33B08767F5BA73UL, 0xDAC1F6823B6111C7UL, 0x697DF90C3515611BUL,
-			0xCC1005F198761F48UL, 0x5067E4F5303B45A1UL, 0x04816D292A2D9AC2UL,
-			0x2949C7A0874DD5E9UL, 0x25DB2547804CEE5EUL, 0x7EDC3A8946D6F229UL,
-			0x00B586F67FD0C622UL, 0x3CAE5798E40324E0UL, 0x0A4F1437DE637164UL,
-			0x5F59B2B715871981UL, 0x5D68FF31051E48FBUL, 0x0F2C369D73A2AA46UL,
-			0xB009C6B53DD23399UL, 0xC366A81277084988UL, 0x5AF0E0CA0711E730UL,
-			0x7AD831A9E9E854BAUL, 0x1DD5EDB0CA4E85AEUL, 0x54651209D259E9DDUL,
-			0x3EBB1D9DAB237EADUL, 0xDA96989317AC464CUL, 0xBFCB0F8FBC52C74EUL,
-			0x9597ACB9E27B692EUL, 0x6F436B1643C95B23UL, 0xB81A1253E1C3CD9DUL,
-			0x7B35F37E905EC67EUL, 0x29CE62666EDA76DDUL, 0xFF2490DC1EC4014DUL,
-			0x2D4FF9124DD6B5C4UL, 0xB9510FEC23E0E9D1UL, 0x8BCDBC56541ED071UL,
-			0x5414E097C1B0CCB2UL, 0x82BEF8213076F5C7UL, 0xE9FC9A71BD512615UL,
-			0xCF15ECC39490DF5AUL, 0x49FA9328D8EE97DBUL, 0x5F80FF0153BC2145UL,
-			0xF63BA156B55BCB02UL, 0x0E3B9113109FDF36UL, 0x8FCD6528F54EDE69UL,
-			0x5D6AE9C000054763UL, 0x326D873633431FBBUL, 0x380E07FFCEF7A978UL,
-			0xDCAA09874A1DF230UL, 0x601494F49F6D261EUL, 0x856159486C9B60E3UL,
-			0x85C7F822D07089A5UL, 0xAFFB99CF5AB836C2UL, 0x241AD414FBBB956BUL,
-			0x0CFC042822831692UL, 0x382B16D049727FF2UL, 0x784F9997633C819AUL,
-			0x5C40ED725F6C390AUL, 0x2CE78B7A3331BA9CUL, 0x9C80636639963B41UL,
-			0x1B2D41C968355018UL, 0xD189B57691FB60E4UL, 0x3BD599A9DD85CE31UL,
-			0x46FC8E2EF0B9A77CUL, 0x1A389E07D0075EA4UL, 0x1622CA52401DF2ACUL,
-			0x528F3FF9B7993BFAUL, 0xF16C176CCA292DDBUL, 0x6C154010961EF542UL,
-			0x04B78E92BF6C82DFUL, 0x7D9AFEA6ABB46072UL, 0x3BC573291CBFFC2EUL,
-			0x277FFF096D567AF3UL, 0x1CBEB86841A6F757UL, 0xD0BCD49E76CA20A7UL,
-			0x25B6024756B1FE90UL, 0xE685C04EF84881FBUL, 0xDCAB14B352FC442EUL,
-			0x4FF80A521719953DUL, 0xD10425E411DBE94BUL, 0x60998D0507D6E38DUL,
-			0x146AA432C981BD5EUL, 0x1729A596282AAA41UL, 0x152BE1A263BAF963UL,
-			0x15278DF497D254CAUL, 0xE4B5E9891E88A5DAUL, 0x087FA3472067D0ACUL,
-			0xD99C2899A0AD9158UL, 0x5040F234DC531236UL, 0x9D7E1531259EEE90UL,
-			0x29AFB8B49391036EUL, 0x84B619599642D68EUL, 0xE838AAE0F249545CUL,
-			0x42D524BA8BB96959UL, 0x9A5B3E817A20EE59UL, 0x584F0530EC4C566BUL,
-			0xD6544FD14B47F945UL, 0x3613FB3B553A7CDEUL, 0x284E92B56831AA56UL,
-			0xCEE89BA10E951A22UL, 0x476806FA1A8A44E0UL, 0xC84CEF151885C1DFUL,
-			0x3DB1D5C1B0B73936UL, 0x45D2D90FDF452388UL, 0x038A7DD71BC5DD21UL,
-			0x2AC90C7422C56819UL, 0x4742046638ECE0FBUL, 0x553B44360FC8495DUL,
-			0xC8DBA1CF3F9A6E97UL, 0xF85919F494CAB021UL, 0x1479455C2FF236AFUL,
-			0x29BCAD159F7D018DUL, 0x016DFF51CBA3BCC5UL, 0x234BF8A77F6B1CF5UL,
-			0x20564C6F44F9E641UL, 0x063A550C5AA50FA8UL, 0xB063D0AAAA96DFECUL,
-			0x3EC659DF42C092F8UL, 0x29D4A76A5A5F7E09UL, 0x65EFF3EE6E691D1EUL,
-			0xBD1634F5721CF799UL, 0xE85BD016723B43FFUL, 0x5233E9E7AEA11022UL,
-			0x8C68852EA9039B4CUL, 0x2C978ADBE885BC15UL, 0x726615ED9D497550UL,
-			0x7C1E145EB8D2BD96UL, 0xC2FEFB25935A5D71UL, 0x9EE9C3E1C3DE416FUL,
-			0xFFD568A03E20E0B3UL, 0xF53649AD90156F2AUL, 0x0331B91DCE54E7EDUL,
-			0x67CED5A86E99392FUL, 0x16FC0A5815500B05UL, 0x030392E8D24A7C00UL,
-			0x232E5E31DF32A7B5UL, 0xCC8BF22B1947DF21UL, 0x4EC2C72D9C1EEABDUL,
-			0x0B1B79F45220E668UL, 0xCC3CF0EE9C4A899BUL, 0xFC260A60592EBC80UL,
-			0xC1989A0382CB03EDUL, 0x35FE679A6CD800B2UL, 0x8A6B1ADE4FBB162FUL,
-			0xB0FD284563625295UL, 0xCDCC1C7B2181D024UL, 0x5B8BA0C895C0BB23UL,
-			0xA681FEA9ADCD43DBUL, 0x0FE30FB6876DE718UL, 0x6DDD1E27B769C494UL,
-			0x83A1E58460FFE8BBUL, 0x8FAD6FD2DC90FF65UL, 0x41BB28B81201CB24UL,
-			0xA148CE79B2597204UL, 0x7CB87DF97BB477A6UL, 0x9F79E6DED87DC688UL,
-			0xE044D84A6C758171UL, 0x1A29E750D9EC4097UL, 0x8445FC2B80C4A0F5UL,
-			0x5EFD9784AFED4ED2UL, 0x344C252BD90EB0E4UL, 0xEAD18D2E4418E5B5UL,
-			0x207EF4FFC260BD24UL, 0xD2E5C3AE534EC538UL, 0x2F5A59BF3D10E7E1UL,
-			0x9528E29266C2924CUL, 0x0121B6BDAB45D138UL, 0xADD0256ACBC771DDUL,
-			0x7301769600C6C50DUL, 0x3E7404EA8231D497UL, 0xB39B3840B8D03117UL,
-			0x56EFCEDDEF5B6634UL, 0xE6BE2C0D73B72098UL, 0x5A2841A21A5E4959UL,
-			0xCFEB3586156DF6E0UL, 0xD84F58901E2D65B8UL, 0x79796786CCC59703UL,
-			0x13BFA9A94DD07696UL, 0x7B63116A6B5458B6UL, 0x1406628176C932E0UL,
-			0xDD7ACC4E97F91B1AUL, 0xC82B8F84A56BDBE8UL, 0x325D87D08ED8B0B0UL,
-			0x3F7847B1E82002DDUL, 0x4662900D2ADAF6BFUL, 0x12AE9F58561DB1D7UL,
-			0xA896E956A95CC074UL, 0xAA4FA3A2F8BA4084UL, 0x1D577E35F5DCA67FUL,
-			0x796FF2D75469DEC2UL, 0xBD3F3F87E4DE894EUL, 0x3666B2262DEBFB6BUL,
-			0x1E26D7AEEF976C2EUL, 0x6BC3854F867AC4A0UL, 0x743DBF8C2E95A821UL,
-			0xA62A76B9AE2E645AUL, 0xB4D76561F40187C1UL, 0xD3E5F23F9FA5DB25UL,
-			0x34B1F6B39E6A87E2UL, 0x7DA5C3DFF7BE72CFUL, 0xFDF46B1BE80AD4F9UL,
-			0x0B21121CA9653B8AUL, 0x1199CA9D0A90F21AUL, 0x6021EA302D01E0BAUL,
-			0x8101D063C05CF5D4UL, 0xE2652410DFE78F23UL, 0x84095ACF47C21A25UL,
-			0xD7E29A4DB2FD3A99UL, 0x7793C0CB57959F93UL, 0x94C605308B9E5AA7UL,
-			0x943DB1AC54165B8FUL, 0xC1391A544C07447CUL, 0x3FEF1A61F785D97BUL,
-			0x6DFCC3152478BDE4UL, 0x312AFB0E1982933AUL, 0xB8069C2605631ED3UL,
-			0x5A6076423430BED2UL, 0x34E379F09E2D4F42UL, 0x9167F5E4019573E3UL,
-			0x18F81157828D2A49UL, 0xF4A8723B4955EAB8UL, 0x0BE6C0ABFEA9E8A6UL,
-			0xC63ADCF2CEF25556UL, 0xC5EBD3BEAE9F364FUL, 0xA301D60CF5B6F2FCUL,
-			0x8C606CA881D27A00UL, 0x826FEE13B554C18AUL, 0x8DF251716F10B776UL,
-			0xB2573A33AC7D94FFUL, 0xC0E771248CB7ABB9UL, 0x753DD605DB38F4EAUL,
-			0x21901664C3D92114UL, 0xA408FCB7A1892612UL, 0x3084FC64A03D6722UL,
-			0xC8C9D9569AD42A34UL, 0x1FBFBAFC1694B383UL, 0x1894280CC3F94ABEUL,
-			0xE14C38A7BBB54651UL, 0x23A48CC84A6EB704UL, 0xD034ADC45AABEDBDUL,
-			0xC93F2C21C973C766UL, 0x66A8AEC11D743CC6UL, 0xB4F72AA52E37C145UL,
-			0xB02834DF0D9266B4UL, 0xDB8E724EA1FF402FUL, 0x531E9C058112E352UL,
-			0xC2F692531DB317D2UL, 0xEFC9586498D263A7UL, 0x84F2C524D2F3ADB9UL,
-			0xAFAF02C27CF25D08UL, 0x385873595F9CFC09UL, 0x36DDA10D1A152B7AUL,
-			0x9F9B997A0DACFB55UL, 0x10AB5EB5C4714882UL, 0x7BA4E8703E22B7EEUL,
-			0x0A2BFD558607BCC8UL, 0x201D3706F74F8BA1UL, 0x3DBD573B1358F02EUL,
-			0x5B37645FA93BCEBCUL, 0xC0166864BC1A7544UL, 0x45C7AA5559FC65D7UL,
-			0xEFEA04AA83349B78UL, 0x607859194F9E9FD8UL, 0xA6B9AE5B53CF7710UL,
-			0x73B9142ACBC50821UL, 0x8B7D67495887E65CUL, 0x39B6C4FB2B232E56UL,
-			0xD212DB10E31D2A68UL, 0x629AC0A3D263DC6EUL, 0x6BC2E7FF912050BAUL,
-			0xE0AD5A8FDB183F62UL, 0xF05648134F0C6F0FUL, 0x31E146F4AF980FDAUL,
-			0x7FAF0078D84D62CCUL, 0xE13F044C2830D21EUL, 0x49A047AD204B4C4BUL,
-			0xF3AFBE2237351A74UL, 0x32826C9217BB07EDUL, 0xD4C3AEB099319B5CUL,
-			0x49CE5BD05B2B0F61UL, 0x75DD36984DCBD0A2UL, 0x84EC5D7C2F0AAC6CUL,
-			0x8E59CC9B9942EDDFUL, 0x89FF85DCDF9AE895UL, 0x6F9EE0D8D9E8D414UL,
-			0x10E01A59058D3904UL, 0x1DFAF567BFF55D2EUL, 0x8DD6A18C03382CD4UL,
-			0xE12FD89A0CF58553UL, 0xE245DA902C0C4F5CUL, 0x8BE7566B9987520DUL,
-			0x4CA1C0A4B38A3098UL, 0x81E45015BE618A72UL, 0xA80E0344FF27EFDFUL,
-			0xC98DAEC6DC5005BAUL, 0xF56873F3A958AE5EUL, 0xDB88604670C794ACUL,
-			0x4F68E448DDF6535FUL, 0x3443DBF1CA6031A8UL, 0x73DFA5DEEF409A41UL,
-			0xA7C556941F6643B2UL, 0x424BC40D8C83D962UL, 0x6F292A325B99B726UL,
-			0x6EECB1009717D65EUL, 0x899BE4CE7BB2D8EEUL, 0x25285FED3E59781DUL,
-			0x14C5AEDD76E092D3UL, 0x9BB5EE10567640AEUL, 0xCD62A1D43558FD06UL,
-			0x70A7B09FC5F39447UL, 0xF10064AE92EFFB99UL, 0xD55FA1A918A23082UL,
-			0xD03F28AD25C73A78UL, 0x76CFFFEE094D8B0EUL, 0x4FD5A46AD5A4B4CFUL,
-			0x8F3A36F9D7BF87E3UL, 0x64224315210625BEUL, 0x749A131B71B64350UL,
-			0x9034FF9DAC089F48UL, 0xB58D3017E7321217UL, 0x549D818937D5CE90UL,
-			0x903CE1452419E99CUL, 0xFD052F0388DB2E76UL, 0x7390051E3972480EUL,
-			0x5E5F6EC3F27B3679UL, 0x3E3637D4D4EE917DUL, 0x4FE04068CA2A4309UL,
-			0x98C9C17454AAE42DUL, 0x659AE0BDB113BC21UL, 0x4C0BDECB1511AF4CUL,
-			0x17048BFAEAC0006DUL, 0x68F106AADAA64912UL, 0x2286234ECEB7EAF0UL,
-			0x350CD42CAF697E51UL, 0x8DCDE6D1FAC19A9FUL, 0xF97E55A245A8A8A2UL,
-			0xAAE86B2092DA90A3UL, 0x5123E878AA8AEF76UL, 0x022B88B9694A55F6UL,
-			0xC4C1A9B1C0221985UL, 0x20056D91DD5E0FFEUL, 0xF5BF61EC225C9843UL,
-			0x1A315A05BDCF4A31UL, 0x5710A21A8DF4F15FUL, 0x99BD1A0AF97AD027UL,
-			0x7602C5997AD4E12CUL
-		};
+		internal static int MaxLength
+		{
+			get
+			{
+				Debug.Assert(m_dicts.Count > 0); // Should be initialized
+
+				int iMaxLen = 0;
+				foreach(int iLen in m_dicts.Keys)
+				{
+					if(iLen > iMaxLen) iMaxLen = iLen;
+				}
+
+				return iMaxLen;
+			}
+		}
+
+		internal static bool ContainsLength(int nLength)
+		{
+			Dictionary<string, bool> dDummy;
+			return m_dicts.TryGetValue(nLength, out dDummy);
+		}

 		public static bool IsPopularPassword(char[] vPassword)
 		{
-			Debug.Assert(PpcTable.Length == (PpcTableSize / 64));
+			ulong uDummy;
+			return IsPopularPassword(vPassword, out uDummy);
+		}

+		public static bool IsPopularPassword(char[] vPassword, out ulong uDictSize)
+		{
 			if(vPassword == null) throw new ArgumentNullException("vPassword");
-			if(vPassword.Length == 0) return false;
+			if(vPassword.Length == 0) { uDictSize = 0; return false; }

-			foreach(char ch in vPassword)
+			string str = new string(vPassword);
+
+			try { return IsPopularPasswordPriv(str, out uDictSize); }
+			catch(Exception) { Debug.Assert(false); }
+
+			uDictSize = 0;
+			return false;
+		}
+
+		private static bool IsPopularPasswordPriv(string str, out ulong uDictSize)
+		{
+			Debug.Assert(m_dicts.Count > 0); // Should be initialized with data
+
+			Dictionary<string, bool> d;
+			if(!m_dicts.TryGetValue(str.Length, out d))
 			{
-				if(!IsPopularChar(ch)) return false;
+				uDictSize = 0;
+				return false;
 			}

-			byte[] pbUtf8 = StrUtil.Utf8.GetBytes(vPassword);
+			uDictSize = (ulong)d.Count;
+			return d.ContainsKey(str);
+		}

-			int[] vIndices = GetTableIndices(pbUtf8, PpcTableSize);
-			Array.Clear(pbUtf8, 0, pbUtf8.Length);
-
-			foreach(int iIndex in vIndices)
+		public static void Add(byte[] pbData, bool bGZipped)
+		{
+			try
 			{
-				if(!GetTableBit(PpcTable, iIndex)) return false;
-			}
+				if(bGZipped)
+					pbData = MemUtil.Decompress(pbData);

-			return true;
-		}
+				string strData = StrUtil.Utf8.GetString(pbData, 0, pbData.Length);
+				if(string.IsNullOrEmpty(strData)) { Debug.Assert(false); return; }

-		private static bool IsPopularChar(char ch)
-		{
-			return (((ch >= 'A') && (ch <= 'Z')) || ((ch >= 'a') && (ch <= 'z')) ||
-				((ch >= '0') && (ch <= '9')) || (ch == '_') || (ch == '!'));
-		}
+				if(!char.IsWhiteSpace(strData[strData.Length - 1]))
+					strData += "\n";

-		private static int[] GetTableIndices(byte[] pbPasswordUtf8, int nTableSize)
-		{
-                        Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
-			Debug.Assert((nTableSize >= 2) && (nTableSize <= 0x10000));
-			Debug.Assert((nTableSize % 64) == 0);
-
-			SHA512Managed sha = new SHA512Managed();
-			byte[] pbHash = sha.ComputeHash(pbPasswordUtf8);
-
-			int[] vIndices = new int[pbHash.Length / 2];
-			for(int i = 0; i < vIndices.Length; ++i)
-				vIndices[i] = ((((int)pbHash[i * 2] << 8) |
-					(int)pbHash[i * 2 + 1]) % nTableSize);
-
-			return vIndices;
-#endif
-		}
-
-		private static bool GetTableBit(ulong[] vTable, int iBit)
-		{
-			return ((vTable[iBit >> 6] & (1UL << (iBit & 0x3F))) != 0UL);
-		}
-
-#if (DEBUG && !KeePassLibSD && TODO)
-		private static bool SetTableBit(ulong[] vTable, int iBit)
-		{
-			if(GetTableBit(vTable, iBit)) return false;
-
-			vTable[iBit >> 6] = (vTable[iBit >> 6] | (1UL << (iBit & 0x3F)));
-			return true;
-		}
-
-		public static void MakeList()
-		{
-
-			string strData = File.ReadAllText("MostPopularPasswords.txt", StrUtil.Utf8);
-			strData += " ";
-			CharStream cs = new CharStream(strData);
-
-			List<string> vPasswords = new List<string>();
-			StringBuilder sbPassword = new StringBuilder();
-			while(true)
-			{
-				char ch = cs.ReadChar();
-				if(ch == char.MinValue) break;
-
-				if(char.IsWhiteSpace(ch))
+				StringBuilder sb = new StringBuilder();
+				for(int i = 0; i < strData.Length; ++i)
 				{
-					string strPassword = sbPassword.ToString();
-					strPassword = strPassword.ToLower();
+					char ch = strData[i];

-					if(strPassword.Length > 3)
+					if(char.IsWhiteSpace(ch))
 					{
-						if(vPasswords.IndexOf(strPassword) < 0)
-							vPasswords.Add(strPassword);
+						int cc = sb.Length;
+						if(cc > 0)
+						{
+							string strWord = sb.ToString();
+							Debug.Assert(strWord.Length == cc);
+
+							Dictionary<string, bool> d;
+							if(!m_dicts.TryGetValue(cc, out d))
+							{
+								d = new Dictionary<string, bool>();
+								m_dicts[cc] = d;
+							}
+
+							d[strWord] = true;
+							sb.Remove(0, cc);
+						}
 					}
-
-					sbPassword = new StringBuilder();
-				}
-				else
-				{
-					Debug.Assert(!char.IsControl(ch) && !char.IsHighSurrogate(ch) &&
-						!char.IsLowSurrogate(ch) && !char.IsSurrogate(ch));
-					Debug.Assert(IsPopularChar(ch));
-					sbPassword.Append(ch);
+					else sb.Append(char.ToLower(ch));
 				}
 			}
-
-			ulong[] vTable = new ulong[PpcTableSize / 64];
-			Array.Clear(vTable, 0, vTable.Length);
-
-			long lBitsInTable = 0;
-			foreach(string strPassword in vPasswords)
-			{
-				byte[] pbUtf8 = StrUtil.Utf8.GetBytes(strPassword);
-				int[] vIndices = GetTableIndices(pbUtf8, PpcTableSize);
-
-				foreach(int i in vIndices)
-				{
-					if(SetTableBit(vTable, i)) ++lBitsInTable;
-				}
-			}
-
-			StringBuilder sb = new StringBuilder();
-			sb.Append("\t\t\t");
-			for(int i = 0; i < vTable.Length; ++i)
-			{
-				if(i > 0)
-				{
-					if((i % 3) == 0)
-					{
-						sb.AppendLine(",");
-						sb.Append("\t\t\t");
-					}
-					else sb.Append(", ");
-				}
-
-				sb.Append("0x");
-				sb.Append(vTable[i].ToString("X16"));
-				sb.Append("UL");
-			}
-
-			sb.AppendLine();
-			sb.AppendLine();
-			sb.AppendLine("Bits set: " + lBitsInTable.ToString() + " of " +
-				PpcTableSize.ToString());
-			int cHashFn = GetTableIndices(StrUtil.Utf8.GetBytes("Dummy"), PpcTableSize).Length;
-			sb.AppendLine("Hash functions: " + cHashFn.ToString());
-			double dblPhi = Math.Pow(1.0 - ((double)cHashFn / PpcTableSize),
-				(double)vPasswords.Count);
-			sb.AppendLine("Phi (bits unset ratio) estimation: " +
-				dblPhi.ToString(CultureInfo.InvariantCulture));
-			dblPhi = ((double)(PpcTableSize - lBitsInTable) / (double)PpcTableSize);
-			sb.AppendLine("Exact Phi: " + dblPhi.ToString(CultureInfo.InvariantCulture));
-			sb.AppendLine("False positives ratio: " + Math.Pow(1.0 - dblPhi,
-				(double)cHashFn).ToString(CultureInfo.InvariantCulture));
-
-			File.WriteAllText("Table.txt", sb.ToString());
+			catch(Exception) { Debug.Assert(false); }
 		}
-#endif
 	}
 }
-#endif
--- a/ModernKeePassLib/Cryptography/QualityEstimation.cs
+++ b/ModernKeePassLib/Cryptography/QualityEstimation.cs
@@ -1,6 +1,6 @@
-/*
+/*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,9 +19,10 @@

 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Text;
+using System.Diagnostics;

+using ModernKeePassLib.Cryptography.PasswordGenerator;
 using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Cryptography
@@ -32,13 +33,286 @@ namespace ModernKeePassLib.Cryptography
 	/// </summary>
 	public static class QualityEstimation
 	{
-		private enum CharSpaceBits : uint
+		private static class PatternID
 		{
-			Control = 32,
-			Alpha = 26,
-			Number = 10,
-			Special = 33,
-			High = 112
+			public const char LowerAlpha = 'L';
+			public const char UpperAlpha = 'U';
+			public const char Digit = 'D';
+			public const char Special = 'S';
+			public const char High = 'H';
+			public const char Other = 'X';
+
+			public const char Dictionary = 'W';
+			public const char Repetition = 'R';
+			public const char Number = 'N';
+			public const char DiffSeq = 'C';
+
+			public const string All = "LUDSHXWRNC";
+		}
+
+		// private static class CharDistrib
+		// {
+		//	public static readonly ulong[] LowerAlpha = new ulong[26] {
+		//		884, 211, 262, 249, 722, 98, 172, 234, 556, 124, 201, 447, 321,
+		//		483, 518, 167, 18, 458, 416, 344, 231, 105, 80, 48, 238, 76
+		//	};
+		//	public static readonly ulong[] UpperAlpha = new ulong[26] {
+		//		605, 188, 209, 200, 460, 81, 130, 163, 357, 122, 144, 332, 260,
+		//		317, 330, 132, 18, 320, 315, 250, 137, 76, 60, 36, 161, 54
+		//	};
+		//	public static readonly ulong[] Digit = new ulong[10] {
+		//		574, 673, 524, 377, 339, 336, 312, 310, 357, 386
+		//	};
+		// }
+
+		private sealed class QeCharType
+		{
+			private readonly char m_chTypeID;
+			public char TypeID { get { return m_chTypeID; } }
+
+			private readonly string m_strAlph;
+			public string Alphabet { get { return m_strAlph; } }
+
+			private readonly int m_nChars;
+			public int CharCount { get { return m_nChars; } }
+
+			private readonly char m_chFirst;
+			private readonly char m_chLast;
+
+			private readonly double m_dblCharSize;
+			public double CharSize { get { return m_dblCharSize; } }
+
+			public QeCharType(char chTypeID, string strAlphabet, bool bIsConsecutive)
+			{
+				if(strAlphabet == null) throw new ArgumentNullException();
+				if(strAlphabet.Length == 0) throw new ArgumentException();
+
+				m_chTypeID = chTypeID;
+				m_strAlph = strAlphabet;
+				m_nChars = m_strAlph.Length;
+				m_chFirst = (bIsConsecutive ? m_strAlph[0] : char.MinValue);
+				m_chLast = (bIsConsecutive ? m_strAlph[m_nChars - 1] : char.MinValue);
+
+				m_dblCharSize = Log2(m_nChars);
+
+				Debug.Assert(((int)(m_chLast - m_chFirst) == (m_nChars - 1)) ||
+					!bIsConsecutive);
+			}
+
+			public QeCharType(char chTypeID, int nChars) // Catch-none set
+			{
+				if(nChars <= 0) throw new ArgumentOutOfRangeException();
+
+				m_chTypeID = chTypeID;
+				m_strAlph = string.Empty;
+				m_nChars = nChars;
+				m_chFirst = char.MinValue;
+				m_chLast = char.MinValue;
+
+				m_dblCharSize = Log2(m_nChars);
+			}
+
+			public bool Contains(char ch)
+			{
+				if(m_chLast != char.MinValue)
+					return ((ch >= m_chFirst) && (ch <= m_chLast));
+
+				Debug.Assert(m_strAlph.Length > 0); // Don't call for catch-none set
+				return (m_strAlph.IndexOf(ch) >= 0);
+			}
+		}
+
+		private sealed class EntropyEncoder
+		{
+			private readonly string m_strAlph;
+			private Dictionary<char, ulong> m_dHisto = new Dictionary<char, ulong>();
+			private readonly ulong m_uBaseWeight;
+			private readonly ulong m_uCharWeight;
+			private readonly ulong m_uOccExclThreshold;
+
+			public EntropyEncoder(string strAlphabet, ulong uBaseWeight,
+				ulong uCharWeight, ulong uOccExclThreshold)
+			{
+				if(strAlphabet == null) throw new ArgumentNullException();
+				if(strAlphabet.Length == 0) throw new ArgumentException();
+
+				m_strAlph = strAlphabet;
+				m_uBaseWeight = uBaseWeight;
+				m_uCharWeight = uCharWeight;
+				m_uOccExclThreshold = uOccExclThreshold;
+
+#if DEBUG
+				Dictionary<char, bool> d = new Dictionary<char, bool>();
+				foreach(char ch in m_strAlph) { d[ch] = true; }
+				Debug.Assert(d.Count == m_strAlph.Length); // No duplicates
+#endif
+			}
+
+			public void Reset()
+			{
+				m_dHisto.Clear();
+			}
+
+			public void Write(char ch)
+			{
+				Debug.Assert(m_strAlph.IndexOf(ch) >= 0);
+
+				ulong uOcc;
+				m_dHisto.TryGetValue(ch, out uOcc);
+				Debug.Assert(m_dHisto.ContainsKey(ch) || (uOcc == 0));
+				m_dHisto[ch] = uOcc + 1;
+			}
+
+			public double GetOutputSize()
+			{
+				ulong uTotalWeight = m_uBaseWeight * (ulong)m_strAlph.Length;
+				foreach(ulong u in m_dHisto.Values)
+				{
+					Debug.Assert(u >= 1);
+					if(u > m_uOccExclThreshold)
+						uTotalWeight += (u - m_uOccExclThreshold) * m_uCharWeight;
+				}
+
+				double dSize = 0.0, dTotalWeight = (double)uTotalWeight;
+				foreach(ulong u in m_dHisto.Values)
+				{
+					ulong uWeight = m_uBaseWeight;
+					if(u > m_uOccExclThreshold)
+						uWeight += (u - m_uOccExclThreshold) * m_uCharWeight;
+
+					dSize -= (double)u * Log2((double)uWeight / dTotalWeight);
+				}
+
+				return dSize;
+			}
+		}
+
+		private sealed class MultiEntropyEncoder
+		{
+			private Dictionary<char, EntropyEncoder> m_dEncs =
+				new Dictionary<char, EntropyEncoder>();
+
+			public MultiEntropyEncoder()
+			{
+			}
+
+			public void AddEncoder(char chTypeID, EntropyEncoder ec)
+			{
+				if(ec == null) { Debug.Assert(false); return; }
+
+				Debug.Assert(!m_dEncs.ContainsKey(chTypeID));
+				m_dEncs[chTypeID] = ec;
+			}
+
+			public void Reset()
+			{
+				foreach(EntropyEncoder ec in m_dEncs.Values) { ec.Reset(); }
+			}
+
+			public bool Write(char chTypeID, char chData)
+			{
+				EntropyEncoder ec;
+				if(!m_dEncs.TryGetValue(chTypeID, out ec))
+					return false;
+
+				ec.Write(chData);
+				return true;
+			}
+
+			public double GetOutputSize()
+			{
+				double d = 0.0;
+
+				foreach(EntropyEncoder ec in m_dEncs.Values)
+				{
+					d += ec.GetOutputSize();
+				}
+
+				return d;
+			}
+		}
+
+		private sealed class QePatternInstance
+		{
+			private readonly int m_iPos;
+			public int Position { get { return m_iPos; } }
+
+			private readonly int m_nLen;
+			public int Length { get { return m_nLen; } }
+
+			private readonly char m_chPatternID;
+			public char PatternID { get { return m_chPatternID; } }
+
+			private readonly double m_dblCost;
+			public double Cost { get { return m_dblCost; } }
+
+			private readonly QeCharType m_ctSingle;
+			public QeCharType SingleCharType { get { return m_ctSingle; } }
+
+			public QePatternInstance(int iPosition, int nLength, char chPatternID,
+				double dblCost)
+			{
+				m_iPos = iPosition;
+				m_nLen = nLength;
+				m_chPatternID = chPatternID;
+				m_dblCost = dblCost;
+				m_ctSingle = null;
+			}
+
+			public QePatternInstance(int iPosition, int nLength, QeCharType ctSingle)
+			{
+				m_iPos = iPosition;
+				m_nLen = nLength;
+				m_chPatternID = ctSingle.TypeID;
+				m_dblCost = ctSingle.CharSize;
+				m_ctSingle = ctSingle;
+			}
+		}
+
+		private sealed class QePathState
+		{
+			public readonly int Position;
+			public readonly List<QePatternInstance> Path;
+
+			public QePathState(int iPosition, List<QePatternInstance> lPath)
+			{
+				this.Position = iPosition;
+				this.Path = lPath;
+			}
+		}
+
+		private static object m_objSyncInit = new object();
+		private static List<QeCharType> m_lCharTypes = null;
+
+		private static void EnsureInitialized()
+		{
+			lock(m_objSyncInit)
+			{
+				if(m_lCharTypes == null)
+				{
+					string strSpecial = PwCharSet.PrintableAsciiSpecial;
+					if(strSpecial.IndexOf(' ') >= 0) { Debug.Assert(false); }
+					else strSpecial = strSpecial + " ";
+
+					int nSp = strSpecial.Length;
+					int nHi = PwCharSet.HighAnsiChars.Length;
+
+					m_lCharTypes = new List<QeCharType>();
+
+					m_lCharTypes.Add(new QeCharType(PatternID.LowerAlpha,
+						PwCharSet.LowerCase, true));
+					m_lCharTypes.Add(new QeCharType(PatternID.UpperAlpha,
+						PwCharSet.UpperCase, true));
+					m_lCharTypes.Add(new QeCharType(PatternID.Digit,
+						PwCharSet.Digits, true));
+					m_lCharTypes.Add(new QeCharType(PatternID.Special,
+						strSpecial, false));
+					m_lCharTypes.Add(new QeCharType(PatternID.High,
+						PwCharSet.HighAnsiChars, false));
+					m_lCharTypes.Add(new QeCharType(PatternID.Other,
+						0x10000 - (2 * 26) - 10 - nSp - nHi));
+				}
+			}
 		}

 		/// <summary>
@@ -46,84 +320,95 @@ namespace ModernKeePassLib.Cryptography
 		/// </summary>
 		/// <param name="vPasswordChars">Password to check.</param>
 		/// <returns>Estimated bit-strength of the password.</returns>
-		/// <exception cref="System.ArgumentNullException">Thrown if the input
-		/// parameter is <c>null</c>.</exception>
 		public static uint EstimatePasswordBits(char[] vPasswordChars)
 		{
-			Debug.Assert(vPasswordChars != null);
-			if(vPasswordChars == null) throw new ArgumentNullException("vPasswordChars");
+			if(vPasswordChars == null) { Debug.Assert(false); return 0; }
+			if(vPasswordChars.Length == 0) return 0;

-			bool bChLower = false, bChUpper = false, bChNumber = false;
-			bool bChSpecial = false, bChHigh = false, bChControl = false;
-			Dictionary<char, uint> vCharCounts = new Dictionary<char, uint>();
-			Dictionary<int, uint> vDifferences = new Dictionary<int, uint>();
-			double dblEffectiveLength = 0.0;
+			EnsureInitialized();

-			for(int i = 0; i < vPasswordChars.Length; ++i) // Get character types
+			int n = vPasswordChars.Length;
+			List<QePatternInstance>[] vPatterns = new List<QePatternInstance>[n];
+			for(int i = 0; i < n; ++i)
 			{
-				char tch = vPasswordChars[i];
+				vPatterns[i] = new List<QePatternInstance>();

-				if(tch < ' ') bChControl = true;
-				else if((tch >= 'A') && (tch <= 'Z')) bChUpper = true;
-				else if((tch >= 'a') && (tch <= 'z')) bChLower = true;
-				else if((tch >= '0') && (tch <= '9')) bChNumber = true;
-				else if((tch >= ' ') && (tch <= '/')) bChSpecial = true;
-				else if((tch >= ':') && (tch <= '@')) bChSpecial = true;
-				else if((tch >= '[') && (tch <= '`')) bChSpecial = true;
-				else if((tch >= '{') && (tch <= '~')) bChSpecial = true;
-				else if(tch > '~') bChHigh = true;
+				QePatternInstance piChar = new QePatternInstance(i, 1,
+					GetCharType(vPasswordChars[i]));
+				vPatterns[i].Add(piChar);
+			}

-				double dblDiffFactor = 1.0;
-				if(i >= 1)
+			FindRepetitions(vPasswordChars, vPatterns);
+			FindNumbers(vPasswordChars, vPatterns);
+			FindDiffSeqs(vPasswordChars, vPatterns);
+			FindPopularPasswords(vPasswordChars, vPatterns);
+
+			// Encoders must not be static, because the entropy estimation
+			// may run concurrently in multiple threads and the encoders are
+			// not read-only
+			EntropyEncoder ecPattern = new EntropyEncoder(PatternID.All, 0, 1, 0);
+			MultiEntropyEncoder mcData = new MultiEntropyEncoder();
+			for(int i = 0; i < (m_lCharTypes.Count - 1); ++i)
+			{
+				// Let m be the alphabet size. In order to ensure that two same
+				// characters cost at least as much as a single character, for
+				// the probability p and weight w of the character it must hold:
+				//     -log(1/m) >= -2*log(p)
+				// <=> log(1/m) <= log(p^2) <=> 1/m <= p^2 <=> p >= sqrt(1/m);
+				//     sqrt(1/m) = (1+w)/(m+w)
+				// <=> m+w = (1+w)*sqrt(m) <=> m+w = sqrt(m) + w*sqrt(m)
+				// <=> w*(1-sqrt(m)) = sqrt(m) - m <=> w = (sqrt(m)-m)/(1-sqrt(m))
+				// <=> w = (sqrt(m)-m)*(1+sqrt(m))/(1-m)
+				// <=> w = (sqrt(m)-m+m-m*sqrt(m))/(1-m) <=> w = sqrt(m)
+				ulong uw = (ulong)Math.Sqrt((double)m_lCharTypes[i].CharCount);
+
+				mcData.AddEncoder(m_lCharTypes[i].TypeID, new EntropyEncoder(
+					m_lCharTypes[i].Alphabet, 1, uw, 1));
+			}
+
+			double dblMinCost = (double)int.MaxValue;
+			int tStart = Environment.TickCount;
+
+			Stack<QePathState> sRec = new Stack<QePathState>();
+			sRec.Push(new QePathState(0, new List<QePatternInstance>()));
+			while(sRec.Count > 0)
+			{
+				int tDiff = Environment.TickCount - tStart;
+				if(tDiff > 500) break;
+
+				QePathState s = sRec.Pop();
+
+				if(s.Position >= n)
 				{
-					int iDiff = (int)tch - (int)vPasswordChars[i - 1];
+					Debug.Assert(s.Position == n);

-					uint uDiffCount;
-					if(vDifferences.TryGetValue(iDiff, out uDiffCount))
-					{
-						++uDiffCount;
-						vDifferences[iDiff] = uDiffCount;
-						dblDiffFactor /= (double)uDiffCount;
-					}
-					else vDifferences.Add(iDiff, 1);
-				}
-
-				uint uCharCount;
-				if(vCharCounts.TryGetValue(tch, out uCharCount))
-				{
-					++uCharCount;
-					vCharCounts[tch] = uCharCount;
-					dblEffectiveLength += dblDiffFactor * (1.0 / (double)uCharCount);
+					double dblCost = ComputePathCost(s.Path, vPasswordChars,
+						ecPattern, mcData);
+					if(dblCost < dblMinCost) dblMinCost = dblCost;
 				}
 				else
 				{
-					vCharCounts.Add(tch, 1);
-					dblEffectiveLength += dblDiffFactor;
+					List<QePatternInstance> lSubs = vPatterns[s.Position];
+					for(int i = lSubs.Count - 1; i >= 0; --i)
+					{
+						QePatternInstance pi = lSubs[i];
+						Debug.Assert(pi.Position == s.Position);
+						Debug.Assert(pi.Length >= 1);
+
+						List<QePatternInstance> lNewPath =
+							new List<QePatternInstance>(s.Path.Count + 1);
+						lNewPath.AddRange(s.Path);
+						lNewPath.Add(pi);
+						Debug.Assert(lNewPath.Capacity == (s.Path.Count + 1));
+
+						QePathState sNew = new QePathState(s.Position +
+							pi.Length, lNewPath);
+						sRec.Push(sNew);
+					}
 				}
 			}

-			uint uCharSpace = 0;
-			if(bChControl) uCharSpace += (uint)CharSpaceBits.Control;
-			if(bChUpper) uCharSpace += (uint)CharSpaceBits.Alpha;
-			if(bChLower) uCharSpace += (uint)CharSpaceBits.Alpha;
-			if(bChNumber) uCharSpace += (uint)CharSpaceBits.Number;
-			if(bChSpecial) uCharSpace += (uint)CharSpaceBits.Special;
-			if(bChHigh) uCharSpace += (uint)CharSpaceBits.High;
-
-			if(uCharSpace == 0) return 0;
-
-			double dblBitsPerChar = Math.Log((double)uCharSpace) / Math.Log(2.0);
-			double dblRating = dblBitsPerChar * dblEffectiveLength;
-
-#if !KeePassLibSD
-			char[] vLowerCopy = new char[vPasswordChars.Length];
-			for(int ilc = 0; ilc < vLowerCopy.Length; ++ilc)
-				vLowerCopy[ilc] = char.ToLower(vPasswordChars[ilc]);
-			if(PopularPasswords.IsPopularPassword(vLowerCopy)) dblRating /= 8.0;
-			Array.Clear(vLowerCopy, 0, vLowerCopy.Length);
-#endif
-
-			return (uint)Math.Ceiling(dblRating);
+			return (uint)Math.Ceiling(dblMinCost);
 		}

 		/// <summary>
@@ -141,5 +426,343 @@ namespace ModernKeePassLib.Cryptography

 			return uResult;
 		}
+
+		private static QeCharType GetCharType(char ch)
+		{
+			int nTypes = m_lCharTypes.Count;
+			Debug.Assert((nTypes > 0) && (m_lCharTypes[nTypes - 1].CharCount > 256));
+
+			for(int i = 0; i < (nTypes - 1); ++i)
+			{
+				if(m_lCharTypes[i].Contains(ch))
+					return m_lCharTypes[i];
+			}
+
+			return m_lCharTypes[nTypes - 1];
+		}
+
+		private static double ComputePathCost(List<QePatternInstance> l,
+			char[] vPassword, EntropyEncoder ecPattern, MultiEntropyEncoder mcData)
+		{
+			ecPattern.Reset();
+			for(int i = 0; i < l.Count; ++i)
+				ecPattern.Write(l[i].PatternID);
+			double dblPatternCost = ecPattern.GetOutputSize();
+
+			mcData.Reset();
+			double dblDataCost = 0.0;
+			foreach(QePatternInstance pi in l)
+			{
+				QeCharType tChar = pi.SingleCharType;
+				if(tChar != null)
+				{
+					char ch = vPassword[pi.Position];
+					if(!mcData.Write(tChar.TypeID, ch))
+						dblDataCost += pi.Cost;
+				}
+				else dblDataCost += pi.Cost;
+			}
+			dblDataCost += mcData.GetOutputSize();
+
+			return (dblPatternCost + dblDataCost);
+		}
+
+		private static void FindPopularPasswords(char[] vPassword,
+			List<QePatternInstance>[] vPatterns)
+		{
+			int n = vPassword.Length;
+
+			char[] vLower = new char[n];
+			char[] vLeet = new char[n];
+			for(int i = 0; i < n; ++i)
+			{
+				char ch = vPassword[i];
+
+				vLower[i] = char.ToLower(ch);
+				vLeet[i] = char.ToLower(DecodeLeetChar(ch));
+			}
+
+			char chErased = default(char);
+			Debug.Assert(chErased == char.MinValue);
+
+			int nMaxLen = Math.Min(n, PopularPasswords.MaxLength);
+			for(int nSubLen = nMaxLen; nSubLen >= 3; --nSubLen)
+			{
+				if(!PopularPasswords.ContainsLength(nSubLen)) continue;
+
+				char[] vSub = new char[nSubLen];
+
+				for(int i = 0; i <= (n - nSubLen); ++i)
+				{
+					if(Array.IndexOf<char>(vLower, chErased, i, nSubLen) >= 0)
+						continue;
+
+					Array.Copy(vLower, i, vSub, 0, nSubLen);
+					if(!EvalAddPopularPasswordPattern(vPatterns, vPassword,
+						i, vSub, 0.0))
+					{
+						Array.Copy(vLeet, i, vSub, 0, nSubLen);
+						if(EvalAddPopularPasswordPattern(vPatterns, vPassword,
+							i, vSub, 1.5))
+						{
+							Array.Clear(vLower, i, nSubLen); // Not vLeet
+							Debug.Assert(vLower[i] == chErased);
+						}
+					}
+					else
+					{
+						Array.Clear(vLower, i, nSubLen);
+						Debug.Assert(vLower[i] == chErased);
+					}
+				}
+			}
+		}
+
+		private static bool EvalAddPopularPasswordPattern(List<QePatternInstance>[] vPatterns,
+			char[] vPassword, int i, char[] vSub, double dblCostPerMod)
+		{
+			ulong uDictSize;
+			if(!PopularPasswords.IsPopularPassword(vSub, out uDictSize))
+				return false;
+
+			int n = vSub.Length;
+			int d = HammingDist(vSub, 0, vPassword, i, n);
+
+			double dblCost = Log2((double)uDictSize);
+
+			// dblCost += log2(n binom d)
+			int k = Math.Min(d, n - d);
+			for(int j = n; j > (n - k); --j)
+				dblCost += Log2(j);
+			for(int j = k; j >= 2; --j)
+				dblCost -= Log2(j);
+
+			dblCost += dblCostPerMod * (double)d;
+
+			vPatterns[i].Add(new QePatternInstance(i, n, PatternID.Dictionary,
+				dblCost));
+			return true;
+		}
+
+		private static char DecodeLeetChar(char chLeet)
+		{
+			if((chLeet >= '\u00C0') && (chLeet <= '\u00C6')) return 'a';
+			if((chLeet >= '\u00C8') && (chLeet <= '\u00CB')) return 'e';
+			if((chLeet >= '\u00CC') && (chLeet <= '\u00CF')) return 'i';
+			if((chLeet >= '\u00D2') && (chLeet <= '\u00D6')) return 'o';
+			if((chLeet >= '\u00D9') && (chLeet <= '\u00DC')) return 'u';
+			if((chLeet >= '\u00E0') && (chLeet <= '\u00E6')) return 'a';
+			if((chLeet >= '\u00E8') && (chLeet <= '\u00EB')) return 'e';
+			if((chLeet >= '\u00EC') && (chLeet <= '\u00EF')) return 'i';
+			if((chLeet >= '\u00F2') && (chLeet <= '\u00F6')) return 'o';
+			if((chLeet >= '\u00F9') && (chLeet <= '\u00FC')) return 'u';
+
+			char ch;
+			switch(chLeet)
+			{
+				case '4':
+				case '@':
+				case '?':
+				case '^':
+				case '\u00AA': ch = 'a'; break;
+				case '8':
+				case '\u00DF': ch = 'b'; break;
+				case '(':
+				case '{':
+				case '[':
+				case '<':
+				case '\u00A2':
+				case '\u00A9':
+				case '\u00C7':
+				case '\u00E7': ch = 'c'; break;
+				case '\u00D0':
+				case '\u00F0': ch = 'd'; break;
+				case '3':
+				case '\u20AC':
+				case '&':
+				case '\u00A3': ch = 'e'; break;
+				case '6':
+				case '9': ch = 'g'; break;
+				case '#': ch = 'h'; break;
+				case '1':
+				case '!':
+				case '|':
+				case '\u00A1':
+				case '\u00A6': ch = 'i'; break;
+				case '\u00D1':
+				case '\u00F1': ch = 'n'; break;
+				case '0':
+				case '*':
+				case '\u00A4': // Currency
+				case '\u00B0': // Degree
+				case '\u00D8':
+				case '\u00F8': ch = 'o'; break;
+				case '\u00AE': ch = 'r'; break;
+				case '$':
+				case '5':
+				case '\u00A7': ch = 's'; break;
+				case '+':
+				case '7': ch = 't'; break;
+				case '\u00B5': ch = 'u'; break;
+				case '%':
+				case '\u00D7': ch = 'x'; break;
+				case '\u00A5':
+				case '\u00DD':
+				case '\u00FD':
+				case '\u00FF': ch = 'y'; break;
+				case '2': ch = 'z'; break;
+				default: ch = chLeet; break;
+			}
+
+			return ch;
+		}
+
+		private static int HammingDist(char[] v1, int iOffset1,
+			char[] v2, int iOffset2, int nLength)
+		{
+			int nDist = 0;
+			for(int i = 0; i < nLength; ++i)
+			{
+				if(v1[iOffset1 + i] != v2[iOffset2 + i]) ++nDist;
+			}
+
+			return nDist;
+		}
+
+		private static void FindRepetitions(char[] vPassword,
+			List<QePatternInstance>[] vPatterns)
+		{
+			int n = vPassword.Length;
+			char[] v = new char[n];
+			Array.Copy(vPassword, v, n);
+
+			char chErased = char.MaxValue;
+			for(int m = (n / 2); m >= 3; --m)
+			{
+				for(int x1 = 0; x1 <= (n - (2 * m)); ++x1)
+				{
+					bool bFoundRep = false;
+
+					for(int x2 = (x1 + m); x2 <= (n - m); ++x2)
+					{
+						if(PartsEqual(v, x1, x2, m))
+						{
+							double dblCost = Log2(x1 + 1) + Log2(m);
+							vPatterns[x2].Add(new QePatternInstance(x2, m,
+								PatternID.Repetition, dblCost));
+
+							ErasePart(v, x2, m, ref chErased);
+							bFoundRep = true;
+						}
+					}
+
+					if(bFoundRep) ErasePart(v, x1, m, ref chErased);
+				}
+			}
+		}
+
+		private static bool PartsEqual(char[] v, int x1, int x2, int nLength)
+		{
+			for(int i = 0; i < nLength; ++i)
+			{
+				if(v[x1 + i] != v[x2 + i]) return false;
+			}
+
+			return true;
+		}
+
+		private static void ErasePart(char[] v, int i, int n, ref char chErased)
+		{
+			for(int j = 0; j < n; ++j)
+			{
+				v[i + j] = chErased;
+				--chErased;
+			}
+		}
+
+		private static void FindNumbers(char[] vPassword,
+			List<QePatternInstance>[] vPatterns)
+		{
+			int n = vPassword.Length;
+			StringBuilder sb = new StringBuilder();
+			for(int i = 0; i < n; ++i)
+			{
+				char ch = vPassword[i];
+				if((ch >= '0') && (ch <= '9')) sb.Append(ch);
+				else
+				{
+					AddNumberPattern(vPatterns, sb.ToString(), i - sb.Length);
+					sb.Remove(0, sb.Length);
+				}
+			}
+			AddNumberPattern(vPatterns, sb.ToString(), n - sb.Length);
+		}
+
+		private static void AddNumberPattern(List<QePatternInstance>[] vPatterns,
+			string strNumber, int i)
+		{
+			if(strNumber.Length <= 2) return;
+
+			int nZeros = 0;
+			for(int j = 0; j < strNumber.Length; ++j)
+			{
+				if(strNumber[j] != '0') break;
+				++nZeros;
+			}
+
+			double dblCost = Log2(nZeros + 1);
+			if(nZeros < strNumber.Length)
+			{
+				string strNonZero = strNumber.Substring(nZeros);
+
+#if KeePassLibSD
+				try { dblCost += Log2(double.Parse(strNonZero)); }
+				catch(Exception) { Debug.Assert(false); return; }
+#else
+				double d;
+				if(double.TryParse(strNonZero, out d))
+					dblCost += Log2(d);
+				else { Debug.Assert(false); return; }
+#endif
+			}
+
+			vPatterns[i].Add(new QePatternInstance(i, strNumber.Length,
+				PatternID.Number, dblCost));
+		}
+
+		private static void FindDiffSeqs(char[] vPassword,
+			List<QePatternInstance>[] vPatterns)
+		{
+			int d = int.MinValue, p = 0;
+			string str = new string(vPassword) + new string(char.MaxValue, 1);
+
+			for(int i = 1; i < str.Length; ++i)
+			{
+				int dCur = (int)str[i] - (int)str[i - 1];
+				if(dCur != d)
+				{
+					if((i - p) >= 3) // At least 3 chars involved
+					{
+						QeCharType ct = GetCharType(str[p]);
+						double dblCost = ct.CharSize + Log2(i - p - 1);
+
+						vPatterns[p].Add(new QePatternInstance(p,
+							i - p, PatternID.DiffSeq, dblCost));
+					}
+
+					d = dCur;
+					p = i - 1;
+				}
+			}
+		}
+
+		private static double Log2(double dblValue)
+		{
+#if KeePassLibSD
+			return (Math.Log(dblValue) / Math.Log(2.0));
+#else
+			return Math.Log(dblValue, 2.0);
+#endif
+		}
 	}
 }
--- a/ModernKeePassLib/Cryptography/SHA256Managed.cs
+++ b/ModernKeePassLib/Cryptography/SHA256Managed.cs
@@ -1,48 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Windows.Security.Cryptography;
-using Windows.Security.Cryptography.Core;
-using Windows.Storage.Streams;
-
-namespace ModernKeePassLib.Cryptography
-{
-    // Singleton adaptor that provides a part of the .net SHA256Managed class
-
-    class SHA256Managed
-    {
-        private static SHA256Managed instance;
-        private static HashAlgorithmProvider m_AlgProv;
-
-        private SHA256Managed() 
-        {
-            String strAlgName = "SHA256";
-            m_AlgProv = HashAlgorithmProvider.OpenAlgorithm(strAlgName);
-            m_AlgProv.CreateHash();
-        }
-
-        public static SHA256Managed Instance
-        {
-            get
-            {
-                if (instance == null)
-                {
-                    instance = new SHA256Managed();
-                }
-                return instance;
-            }
-        }
-
-        public byte[] ComputeHash(byte[] buffer )
-        {
-            IBuffer input = CryptographicBuffer.CreateFromByteArray( buffer);
-            IBuffer hashBuffer = m_AlgProv.HashData(input);
-            byte[] hash;
-            CryptographicBuffer.CopyToByteArray(hashBuffer, out hash);
-            return hash;
-        }
-
-    }
-}
--- a/ModernKeePassLib/Cryptography/SelfTest.cs
+++ b/ModernKeePassLib/Cryptography/SelfTest.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -20,33 +20,38 @@
 using System;
 using System.Collections.Generic;
 using System.Security;
-using Windows.Security.Cryptography.Core;
+#if PCL
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif
+using System.Text;
+using System.Globalization;
+using System.Diagnostics;

 using ModernKeePassLib.Cryptography.Cipher;
+using ModernKeePassLib.Keys;
 using ModernKeePassLib.Utility;
 using ModernKeePassLib.Resources;
-using Windows.Storage.Streams;
-using Windows.Security.Cryptography;
+using ModernKeePassLib.Security;

 namespace ModernKeePassLib.Cryptography
 {
-    /* #pragma warning disable 1591
-        /// <summary>
-        /// Return values of the <c>SelfTest.Perform</c> method.
-        /// </summary>
-        public enum SelfTestResult
-        {
-            Success = 0,
-            RijndaelEcbError = 1,
-            Salsa20Error = 2,
-            NativeKeyTransformationError = 3
-        }
-    #pragma warning restore 1591 */
+	/* /// <summary>
+	/// Return values of the <c>SelfTest.Perform</c> method.
+	/// </summary>
+	public enum SelfTestResult
+	{
+		Success = 0,
+		RijndaelEcbError = 1,
+		Salsa20Error = 2,
+		NativeKeyTransformationError = 3
+	} */

-    /// <summary>
-    /// Class containing self-test methods.
-    /// </summary>
-    public static class SelfTest
+	/// <summary>
+	/// Class containing self-test methods.
+	/// </summary>
+	public static class SelfTest
 	{
 		/// <summary>
 		/// Perform a self-test.
@@ -57,8 +62,10 @@ namespace ModernKeePassLib.Cryptography

 			TestRijndael();
 			TestSalsa20();
-			
+
+#if !PCL
 			TestNativeKeyTransform();
+#endif
 			
 			TestHmacOtp();

@@ -74,7 +81,7 @@ namespace ModernKeePassLib.Cryptography

 		internal static void TestFipsComplianceProblems()
 		{
-#if !KeePassWinRT
+#if !PCL && !KeePassRT
 			try { new RijndaelManaged(); }
 			catch(Exception exAes)
 			{
@@ -91,7 +98,7 @@ namespace ModernKeePassLib.Cryptography

 		private static void TestRijndael()
 		{
-            
+#if !PCL && !KeePassRT
 			// Test vector (official ECB test vector #356)
 			byte[] pbIV = new byte[16];
 			byte[] pbTestKey = new byte[32];
@@ -106,24 +113,6 @@ namespace ModernKeePassLib.Cryptography
 			for(i = 0; i < 16; ++i) pbTestData[i] = 0;
 			pbTestData[0] = 0x04;

-            String strAlgName = "AES_ECB";          // Algorithm name    
-
-            IBuffer iv = null; // no IV used in ECB.
-            IBuffer buffMsg = CryptographicBuffer.CreateFromByteArray(pbTestData);
-            IBuffer keyMaterial = CryptographicBuffer.CreateFromByteArray(pbTestKey);
-            SymmetricKeyAlgorithmProvider objAlg = SymmetricKeyAlgorithmProvider.OpenAlgorithm(strAlgName);
-            CryptographicKey key = objAlg.CreateSymmetricKey(keyMaterial);
-
-            // Encrypt the data and return.
-            IBuffer buffEncrypt = CryptographicEngine.Encrypt(key, buffMsg, iv);
-            CryptographicBuffer.CopyToByteArray(buffEncrypt, out pbTestData);
-
-            if (!MemUtil.ArraysEqual(pbTestData, pbReferenceCT))
-                throw new SecurityException(KLRes.EncAlgorithmAes + ".");
-
-
-#if false
-
 			RijndaelManaged r = new RijndaelManaged();

 			if(r.BlockSize != 128) // AES block size
@@ -142,7 +131,6 @@ namespace ModernKeePassLib.Cryptography

 			if(!MemUtil.ArraysEqual(pbTestData, pbReferenceCT))
 				throw new SecurityException(KLRes.EncAlgorithmAes + ".");
-
 #endif
 		}

@@ -166,7 +154,7 @@ namespace ModernKeePassLib.Cryptography
 			Salsa20Cipher c = new Salsa20Cipher(pbKey, pbIV);
 			c.Encrypt(pb, pb.Length, false);
 			if(!MemUtil.ArraysEqual(pb, pbExpected))
-				throw new SecurityException("Salsa20.");
+				throw new SecurityException("Salsa20-1");

 #if DEBUG
 			// Extended test in debug mode
@@ -183,13 +171,24 @@ namespace ModernKeePassLib.Cryptography
 			int nPos = Salsa20ToPos(c, r, pb.Length, 65536);
 			c.Encrypt(pb, pb.Length, false);
 			if(!MemUtil.ArraysEqual(pb, pbExpected2))
-				throw new SecurityException("Salsa20-2.");
+				throw new SecurityException("Salsa20-2");

 			nPos = Salsa20ToPos(c, r, nPos + pb.Length, 131008);
 			Array.Clear(pb, 0, pb.Length);
 			c.Encrypt(pb, pb.Length, true);
 			if(!MemUtil.ArraysEqual(pb, pbExpected3))
-				throw new SecurityException("Salsa20-3.");
+				throw new SecurityException("Salsa20-3");
+
+			Dictionary<string, bool> d = new Dictionary<string, bool>();
+			const int nRounds = 100;
+			for(int i = 0; i < nRounds; ++i)
+			{
+				byte[] z = new byte[32];
+				c = new Salsa20Cipher(z, BitConverter.GetBytes((long)i));
+				c.Encrypt(z, z.Length, true);
+				d[MemUtil.ByteArrayToHexString(z)] = true;
+			}
+			if(d.Count != nRounds) throw new SecurityException("Salsa20-4");
 #endif
 		}

@@ -211,9 +210,10 @@ namespace ModernKeePassLib.Cryptography
 		}
 #endif

+#if !PCL
 		private static void TestNativeKeyTransform()
 		{
-#if DEBUG && TODO
+#if DEBUG
 			byte[] pbOrgKey = CryptoRandom.Instance.GetRandomBytes(32);
 			byte[] pbSeed = CryptoRandom.Instance.GetRandomBytes(32);
 			ulong uRounds = (ulong)((new Random()).Next(1, 0x3FFF));
@@ -232,11 +232,12 @@ namespace ModernKeePassLib.Cryptography
 				throw new SecurityException("Native transform.");
 #endif
 		}
+#endif

 		private static void TestMemUtil()
-        {
-#if DEBUG && !KeePassWinRT
-            Random r = new Random();
+		{
+#if DEBUG
+			Random r = new Random();
 			byte[] pb = CryptoRandom.Instance.GetRandomBytes((uint)r.Next(
 				0, 0x2FFFF));

@@ -244,35 +245,64 @@ namespace ModernKeePassLib.Cryptography
 			if(!MemUtil.ArraysEqual(MemUtil.Decompress(pbCompressed), pb))
 				throw new InvalidOperationException("GZip");

-			pb = Encoding.ASCII.GetBytes("012345678901234567890a");
-			byte[] pbN = Encoding.ASCII.GetBytes("9012");
+			Encoding enc = StrUtil.Utf8;
+			pb = enc.GetBytes("012345678901234567890a");
+			byte[] pbN = enc.GetBytes("9012");
 			if(MemUtil.IndexOf<byte>(pb, pbN) != 9)
 				throw new InvalidOperationException("MemUtil-1");
-			pbN = Encoding.ASCII.GetBytes("01234567890123");
+			pbN = enc.GetBytes("01234567890123");
 			if(MemUtil.IndexOf<byte>(pb, pbN) != 0)
 				throw new InvalidOperationException("MemUtil-2");
-			pbN = Encoding.ASCII.GetBytes("a");
+			pbN = enc.GetBytes("a");
 			if(MemUtil.IndexOf<byte>(pb, pbN) != 21)
 				throw new InvalidOperationException("MemUtil-3");
-			pbN = Encoding.ASCII.GetBytes("0a");
+			pbN = enc.GetBytes("0a");
 			if(MemUtil.IndexOf<byte>(pb, pbN) != 20)
 				throw new InvalidOperationException("MemUtil-4");
-			pbN = Encoding.ASCII.GetBytes("1");
+			pbN = enc.GetBytes("1");
 			if(MemUtil.IndexOf<byte>(pb, pbN) != 1)
 				throw new InvalidOperationException("MemUtil-5");
-			pbN = Encoding.ASCII.GetBytes("b");
+			pbN = enc.GetBytes("b");
 			if(MemUtil.IndexOf<byte>(pb, pbN) >= 0)
 				throw new InvalidOperationException("MemUtil-6");
-			pbN = Encoding.ASCII.GetBytes("012b");
+			pbN = enc.GetBytes("012b");
 			if(MemUtil.IndexOf<byte>(pb, pbN) >= 0)
 				throw new InvalidOperationException("MemUtil-7");
+
+			byte[] pbRes = MemUtil.ParseBase32("MY======");
+			byte[] pbExp = Encoding.UTF8.GetBytes("f");
+			if(!MemUtil.ArraysEqual(pbRes, pbExp)) throw new Exception("Base32-1");
+
+			pbRes = MemUtil.ParseBase32("MZXQ====");
+			pbExp = Encoding.UTF8.GetBytes("fo");
+			if(!MemUtil.ArraysEqual(pbRes, pbExp)) throw new Exception("Base32-2");
+
+			pbRes = MemUtil.ParseBase32("MZXW6===");
+			pbExp = Encoding.UTF8.GetBytes("foo");
+			if(!MemUtil.ArraysEqual(pbRes, pbExp)) throw new Exception("Base32-3");
+
+			pbRes = MemUtil.ParseBase32("MZXW6YQ=");
+			pbExp = Encoding.UTF8.GetBytes("foob");
+			if(!MemUtil.ArraysEqual(pbRes, pbExp)) throw new Exception("Base32-4");
+
+			pbRes = MemUtil.ParseBase32("MZXW6YTB");
+			pbExp = Encoding.UTF8.GetBytes("fooba");
+			if(!MemUtil.ArraysEqual(pbRes, pbExp)) throw new Exception("Base32-5");
+
+			pbRes = MemUtil.ParseBase32("MZXW6YTBOI======");
+			pbExp = Encoding.UTF8.GetBytes("foobar");
+			if(!MemUtil.ArraysEqual(pbRes, pbExp)) throw new Exception("Base32-6");
+
+			pbRes = MemUtil.ParseBase32("JNSXSIDQOJXXM2LEMVZCAYTBONSWIIDPNYQG63TFFV2GS3LFEBYGC43TO5XXEZDTFY======");
+			pbExp = Encoding.UTF8.GetBytes("Key provider based on one-time passwords.");
+			if(!MemUtil.ArraysEqual(pbRes, pbExp)) throw new Exception("Base32-7");
 #endif
 		}

 		private static void TestHmacOtp()
 		{
-#if (DEBUG && !KeePassLibSD && TODO)
-			byte[] pbSecret = Encoding.ASCII.GetBytes("12345678901234567890");
+#if (DEBUG && !KeePassLibSD && !KeePassRT)
+			byte[] pbSecret = StrUtil.Utf8.GetBytes("12345678901234567890");
 			string[] vExp = new string[]{ "755224", "287082", "359152",
 				"969429", "338314", "254676", "287922", "162583", "399871",
 				"520489" };
@@ -287,10 +317,10 @@ namespace ModernKeePassLib.Cryptography

 		private static void TestProtectedObjects()
 		{
-
-#if TODO
 #if DEBUG
-			byte[] pbData = Encoding.UTF8.GetBytes("Test Test Test Test");
+			Encoding enc = StrUtil.Utf8;
+
+			byte[] pbData = enc.GetBytes("Test Test Test Test");
 			ProtectedBinary pb = new ProtectedBinary(true, pbData);
 			if(!pb.IsProtected) throw new SecurityException("ProtectedBinary-1");

@@ -299,8 +329,8 @@ namespace ModernKeePassLib.Cryptography
 				throw new SecurityException("ProtectedBinary-2");
 			if(!pb.IsProtected) throw new SecurityException("ProtectedBinary-3");

-			byte[] pbData2 = Encoding.UTF8.GetBytes("Test Test Test Test");
-			byte[] pbData3 = Encoding.UTF8.GetBytes("Test Test Test Test Test");
+			byte[] pbData2 = enc.GetBytes("Test Test Test Test");
+			byte[] pbData3 = enc.GetBytes("Test Test Test Test Test");
 			ProtectedBinary pb2 = new ProtectedBinary(true, pbData2);
 			ProtectedBinary pb3 = new ProtectedBinary(true, pbData3);
 			if(!pb.Equals(pb2)) throw new SecurityException("ProtectedBinary-4");
@@ -323,8 +353,7 @@ namespace ModernKeePassLib.Cryptography
 				throw new SecurityException("ProtectedString-3");

 			ps = new ProtectedString(true, "Test");
-			ProtectedString ps2 = new ProtectedString(true,
-				StrUtil.Utf8.GetBytes("Test"));
+			ProtectedString ps2 = new ProtectedString(true, enc.GetBytes("Test"));
 			if(ps.IsEmpty) throw new SecurityException("ProtectedString-4");
 			pbData = ps.ReadUtf8();
 			pbData2 = ps2.ReadUtf8();
@@ -340,7 +369,41 @@ namespace ModernKeePassLib.Cryptography
 				throw new SecurityException("ProtectedString-8");
 			if(!ps.IsProtected) throw new SecurityException("ProtectedString-9");
 			if(!ps2.IsProtected) throw new SecurityException("ProtectedString-10");
-#endif
+
+			Random r = new Random();
+			string str = string.Empty;
+			ps = new ProtectedString();
+			for(int i = 0; i < 100; ++i)
+			{
+				bool bProt = ((r.Next() % 4) != 0);
+				ps = ps.WithProtection(bProt);
+
+				int x = r.Next(str.Length + 1);
+				int c = r.Next(20);
+				char ch = (char)r.Next(1, 256);
+
+				string strIns = new string(ch, c);
+				str = str.Insert(x, strIns);
+				ps = ps.Insert(x, strIns);
+
+				if(ps.IsProtected != bProt)
+					throw new SecurityException("ProtectedString-11");
+				if(ps.ReadString() != str)
+					throw new SecurityException("ProtectedString-12");
+
+				ps = ps.WithProtection(bProt);
+
+				x = r.Next(str.Length);
+				c = r.Next(str.Length - x + 1);
+
+				str = str.Remove(x, c);
+				ps = ps.Remove(x, c);
+
+				if(ps.IsProtected != bProt)
+					throw new SecurityException("ProtectedString-13");
+				if(ps.ReadString() != str)
+					throw new SecurityException("ProtectedString-14");
+			}
 #endif
 		}

@@ -381,16 +444,64 @@ namespace ModernKeePassLib.Cryptography
 				throw new InvalidOperationException("StrUtil-V3");
 			if(StrUtil.VersionToString(0x00FF000000000000UL) != "255")
 				throw new InvalidOperationException("StrUtil-V4");
-			if(StrUtil.VersionToString(0x00FF000000000000UL, true) != "255.0")
+			if(StrUtil.VersionToString(0x00FF000000000000UL, 2) != "255.0")
 				throw new InvalidOperationException("StrUtil-V5");
-			if(StrUtil.VersionToString(0x0000000000070000UL, true) != "0.0.7")
+			if(StrUtil.VersionToString(0x0000000000070000UL) != "0.0.7")
 				throw new InvalidOperationException("StrUtil-V6");
+			if(StrUtil.VersionToString(0x0000000000000000UL) != "0")
+				throw new InvalidOperationException("StrUtil-V7");
+			if(StrUtil.VersionToString(0x00000000FFFF0000UL, 4) != "0.0.65535.0")
+				throw new InvalidOperationException("StrUtil-V8");
+			if(StrUtil.VersionToString(0x0000000000000000UL, 4) != "0.0.0.0")
+				throw new InvalidOperationException("StrUtil-V9");
+
+			if(StrUtil.RtfEncodeChar('\u0000') != "\\u0?")
+				throw new InvalidOperationException("StrUtil-Rtf1");
+			if(StrUtil.RtfEncodeChar('\u7FFF') != "\\u32767?")
+				throw new InvalidOperationException("StrUtil-Rtf2");
+			if(StrUtil.RtfEncodeChar('\u8000') != "\\u-32768?")
+				throw new InvalidOperationException("StrUtil-Rtf3");
+			if(StrUtil.RtfEncodeChar('\uFFFF') != "\\u-1?")
+				throw new InvalidOperationException("StrUtil-Rtf4");
+
+			if(!StrUtil.StringToBool(Boolean.TrueString))
+				throw new InvalidOperationException("StrUtil-Bool1");
+			if(StrUtil.StringToBool(Boolean.FalseString))
+				throw new InvalidOperationException("StrUtil-Bool2");
+
+			if(StrUtil.Count("Abracadabra", "a") != 4)
+				throw new InvalidOperationException("StrUtil-Count1");
+			if(StrUtil.Count("Bla", "U") != 0)
+				throw new InvalidOperationException("StrUtil-Count2");
+			if(StrUtil.Count("AAAAA", "AA") != 4)
+				throw new InvalidOperationException("StrUtil-Count3");
+
+			const string sU = "data:mytype;base64,";
+			if(!StrUtil.IsDataUri(sU))
+				throw new InvalidOperationException("StrUtil-DataUri1");
+			if(!StrUtil.IsDataUri(sU, "mytype"))
+				throw new InvalidOperationException("StrUtil-DataUri2");
+			if(StrUtil.IsDataUri(sU, "notmytype"))
+				throw new InvalidOperationException("StrUtil-DataUri3");
+
+			uint u = 0x7FFFFFFFU;
+			if(u.ToString(NumberFormatInfo.InvariantInfo) != "2147483647")
+				throw new InvalidOperationException("StrUtil-Inv1");
+			if(uint.MaxValue.ToString(NumberFormatInfo.InvariantInfo) !=
+				"4294967295")
+				throw new InvalidOperationException("StrUtil-Inv2");
+			if(long.MinValue.ToString(NumberFormatInfo.InvariantInfo) !=
+				"-9223372036854775808")
+				throw new InvalidOperationException("StrUtil-Inv3");
+			if(short.MinValue.ToString(NumberFormatInfo.InvariantInfo) !=
+				"-32768")
+				throw new InvalidOperationException("StrUtil-Inv4");
 #endif
 		}

 		private static void TestUrlUtil()
 		{
-#if DEBUG && TODO
+#if DEBUG
 			if(UrlUtil.GetHost(@"scheme://domain:port/path?query_string#fragment_id") !=
 				"domain")
 				throw new InvalidOperationException("UrlUtil-H1");
@@ -408,7 +519,7 @@ namespace ModernKeePassLib.Cryptography
 			if(UrlUtil.GetHost(@"s://u:p@d.tld:p/p?q#f") != "d.tld")
 				throw new InvalidOperationException("UrlUtil-H7");

-			if(NativeLib.IsUnix()) return;
+			//if(NativeLib.IsUnix()) return;

 			string strBase = "\\\\HOMESERVER\\Apps\\KeePass\\KeePass.exe";
 			string strDoc = "\\\\HOMESERVER\\Documents\\KeePass\\NewDatabase.kdbx";
@@ -419,6 +530,13 @@ namespace ModernKeePassLib.Cryptography

 			str = UrlUtil.MakeAbsolutePath(strBase, strRel);
 			if(!str.Equals(strDoc)) throw new InvalidOperationException("UrlUtil-R2");
+
+			str = UrlUtil.GetQuotedAppPath(" \"Test\" \"%1\" ");
+			if(str != "Test") throw new InvalidOperationException("UrlUtil-Q1");
+			str = UrlUtil.GetQuotedAppPath("C:\\Program Files\\Test.exe");
+			if(str != "C:\\Program Files\\Test.exe") throw new InvalidOperationException("UrlUtil-Q2");
+			str = UrlUtil.GetQuotedAppPath("Reg.exe \"Test\" \"Test 2\"");
+			if(str != "Reg.exe \"Test\" \"Test 2\"") throw new InvalidOperationException("UrlUtil-Q3");
 #endif
 		}
 	}
--- a/ModernKeePassLib/Delegates/Handlers.cs
+++ b/ModernKeePassLib/Delegates/Handlers.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Interfaces/IDeepCloneable.cs
+++ b/ModernKeePassLib/Interfaces/IDeepCloneable.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Interfaces/IStatusLogger.cs
+++ b/ModernKeePassLib/Interfaces/IStatusLogger.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Interfaces/IStructureItem.cs
+++ b/ModernKeePassLib/Interfaces/IStructureItem.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Interfaces/ITimeLogger.cs
+++ b/ModernKeePassLib/Interfaces/ITimeLogger.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -39,18 +39,18 @@ namespace ModernKeePassLib.Interfaces
 		}

 		/// <summary>
-		/// The date/time when the object was last accessed.
+		/// The date/time when the object was last modified.
 		/// </summary>
-		DateTime LastAccessTime
+		DateTime LastModificationTime
 		{
 			get;
 			set;
 		}

 		/// <summary>
-		/// The date/time when the object was last modified.
+		/// The date/time when the object was last accessed.
 		/// </summary>
-		DateTime LastModificationTime
+		DateTime LastAccessTime
 		{
 			get;
 			set;
--- a/ModernKeePassLib/Interfaces/IUIOperations.cs
+++ b/ModernKeePassLib/Interfaces/IUIOperations.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Interfaces/IXmlSerializerEx.cs
+++ b/ModernKeePassLib/Interfaces/IXmlSerializerEx.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Keys/CompositeKey.cs
+++ b/ModernKeePassLib/Keys/CompositeKey.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -22,104 +22,105 @@ using System.Text;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Runtime.InteropServices.WindowsRuntime;
 using Windows.Security.Cryptography.Core;
+using Windows.Security.ExchangeActiveSyncProvisioning;
+#if PCL
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif

-using ModernKeePassLib.Native;
 using ModernKeePassLib.Resources;
 using ModernKeePassLib.Security;
 using ModernKeePassLib.Utility;
-using System.Threading.Tasks;
-using Windows.Security.Cryptography;
-using Windows.Storage.Streams;
-using ModernKeePassLib.Cryptography;

 namespace ModernKeePassLib.Keys
 {
-	/// <summary>
-	/// Represents a key. A key can be build up using several user key data sources
-	/// like a password, a key file, the currently logged on user credentials,
-	/// the current computer ID, etc.
-	/// </summary>
-	public sealed class CompositeKey
-	{
-		private List<IUserKey> m_vUserKeys = new List<IUserKey>();
+    /// <summary>
+    /// Represents a key. A key can be build up using several user key data sources
+    /// like a password, a key file, the currently logged on user credentials,
+    /// the current computer ID, etc.
+    /// </summary>
+    public sealed class CompositeKey
+    {
+        private List<IUserKey> m_vUserKeys = new List<IUserKey>();

-		/// <summary>
-		/// List of all user keys contained in the current composite key.
-		/// </summary>
-		public IEnumerable<IUserKey> UserKeys
-		{
-			get { return m_vUserKeys; }
-		}
+        /// <summary>
+        /// List of all user keys contained in the current composite key.
+        /// </summary>
+        public IEnumerable<IUserKey> UserKeys
+        {
+            get { return m_vUserKeys; }
+        }

-		public uint UserKeyCount
-		{
-			get { return (uint)m_vUserKeys.Count; }
-		}
+        public uint UserKeyCount
+        {
+            get { return (uint) m_vUserKeys.Count; }
+        }

-		/// <summary>
-		/// Construct a new, empty key object.
-		/// </summary>
-		public CompositeKey()
-		{
-		}
+        /// <summary>
+        /// Construct a new, empty key object.
+        /// </summary>
+        public CompositeKey()
+        {
+        }

-		// /// <summary>
-		// /// Deconstructor, clears up the key.
-		// /// </summary>
-		// ~CompositeKey()
-		// {
-		//	Clear();
-		// }
+        // /// <summary>
+        // /// Deconstructor, clears up the key.
+        // /// </summary>
+        // ~CompositeKey()
+        // {
+        //	Clear();
+        // }

-		// /// <summary>
-		// /// Clears the key. This function also erases all previously stored
-		// /// user key data objects.
-		// /// </summary>
-		// public void Clear()
-		// {
-		//	foreach(IUserKey pKey in m_vUserKeys)
-		//		pKey.Clear();
-		//	m_vUserKeys.Clear();
-		// }
+        // /// <summary>
+        // /// Clears the key. This function also erases all previously stored
+        // /// user key data objects.
+        // /// </summary>
+        // public void Clear()
+        // {
+        //	foreach(IUserKey pKey in m_vUserKeys)
+        //		pKey.Clear();
+        //	m_vUserKeys.Clear();
+        // }

-		/// <summary>
-		/// Add a user key.
-		/// </summary>
-		/// <param name="pKey">User key to add.</param>
-		public void AddUserKey(IUserKey pKey)
-		{
-			Debug.Assert(pKey != null); if(pKey == null) throw new ArgumentNullException("pKey");
+        /// <summary>
+        /// Add a user key.
+        /// </summary>
+        /// <param name="pKey">User key to add.</param>
+        public void AddUserKey(IUserKey pKey)
+        {
+            Debug.Assert(pKey != null);
+            if (pKey == null) throw new ArgumentNullException("pKey");

-			m_vUserKeys.Add(pKey);
-		}
+            m_vUserKeys.Add(pKey);
+        }

-		/// <summary>
-		/// Remove a user key.
-		/// </summary>
-		/// <param name="pKey">User key to remove.</param>
-		/// <returns>Returns <c>true</c> if the key was removed successfully.</returns>
-		public bool RemoveUserKey(IUserKey pKey)
-		{
-			Debug.Assert(pKey != null); if(pKey == null) throw new ArgumentNullException("pKey");
+        /// <summary>
+        /// Remove a user key.
+        /// </summary>
+        /// <param name="pKey">User key to remove.</param>
+        /// <returns>Returns <c>true</c> if the key was removed successfully.</returns>
+        public bool RemoveUserKey(IUserKey pKey)
+        {
+            Debug.Assert(pKey != null);
+            if (pKey == null) throw new ArgumentNullException("pKey");

-			Debug.Assert(m_vUserKeys.IndexOf(pKey) >= 0);
-			return m_vUserKeys.Remove(pKey);
-		}
+            Debug.Assert(m_vUserKeys.IndexOf(pKey) >= 0);
+            return m_vUserKeys.Remove(pKey);
+        }

-		/// <summary>
-		/// Test whether the composite key contains a specific type of
-		/// user keys (password, key file, ...). If at least one user
-		/// key of that type is present, the function returns <c>true</c>.
-		/// </summary>
-		/// <param name="tUserKeyType">User key type.</param>
-		/// <returns>Returns <c>true</c>, if the composite key contains
-		/// a user key of the specified type.</returns>
+#if !PCL && !KeePassRT /// <summary>
+/// Test whether the composite key contains a specific type of
+/// user keys (password, key file, ...). If at least one user
+/// key of that type is present, the function returns <c>true</c>.
+/// </summary>
+/// <param name="tUserKeyType">User key type.</param>
+/// <returns>Returns <c>true</c>, if the composite key contains
+/// a user key of the specified type.</returns>
 		public bool ContainsType(Type tUserKeyType)
 		{
-               Debug.Assert(false, "not yet implemented");
-            return false;
-#if TODO
 			Debug.Assert(tUserKeyType != null);
 			if(tUserKeyType == null) throw new ArgumentNullException("tUserKeyType");

@@ -130,7 +131,6 @@ namespace ModernKeePassLib.Keys
 			}

 			return false;
-#endif
 		}

 		/// <summary>
@@ -141,10 +141,6 @@ namespace ModernKeePassLib.Keys
 		/// or <c>null</c> if no key of that type is found.</returns>
 		public IUserKey GetUserKey(Type tUserKeyType)
 		{
-               Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
-
 			Debug.Assert(tUserKeyType != null);
 			if(tUserKeyType == null) throw new ArgumentNullException("tUserKeyType");

@@ -155,82 +151,94 @@ namespace ModernKeePassLib.Keys
 			}

 			return null;
+		}
 #endif
-		}

-		/// <summary>
-		/// Creates the composite key from the supplied user key sources (password,
-		/// key file, user account, computer ID, etc.).
-		/// </summary>
-		private byte[] CreateRawCompositeKey32()
-		{
-			ValidateUserKeys();
+        /// <summary>
+        /// Creates the composite key from the supplied user key sources (password,
+        /// key file, user account, computer ID, etc.).
+        /// </summary>
+        private byte[] CreateRawCompositeKey32()
+        {
+            ValidateUserKeys();

-			// Concatenate user key data
-			MemoryStream ms = new MemoryStream();
-			foreach(IUserKey pKey in m_vUserKeys)
-			{
-				ProtectedBinary b = pKey.KeyData;
-				if(b != null)
-				{
-					byte[] pbKeyData = b.ReadData();
-					ms.Write(pbKeyData, 0, pbKeyData.Length);
-					MemUtil.ZeroByteArray(pbKeyData);
-				}
-			}
+            // Concatenate user key data
+            MemoryStream ms = new MemoryStream();
+            foreach (IUserKey pKey in m_vUserKeys)
+            {
+                ProtectedBinary b = pKey.KeyData;
+                if (b != null)
+                {
+                    byte[] pbKeyData = b.ReadData();
+                    ms.Write(pbKeyData, 0, pbKeyData.Length);
+                    MemUtil.ZeroByteArray(pbKeyData);
+                }
+            }

-            byte[] pbHash = SHA256Managed.Instance.ComputeHash(ms.ToArray());
-           
-			return pbHash;
+#if PCL
+            var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+            var pbHash = sha256.HashData(ms.ToArray().AsBuffer()).ToArray();
+#else
+			SHA256Managed sha256 = new SHA256Managed();
+			byte[] pbHash = sha256.ComputeHash(ms.ToArray());
+#endif
+            ms.Dispose();
+            return pbHash;
+        }

-		}
+        public bool EqualsValue(CompositeKey ckOther)
+        {
+            if (ckOther == null) throw new ArgumentNullException("ckOther");

-		public bool EqualsValue(CompositeKey ckOther)
-		{
-			if(ckOther == null) throw new ArgumentNullException("ckOther");
+            byte[] pbThis = CreateRawCompositeKey32();
+            byte[] pbOther = ckOther.CreateRawCompositeKey32();
+            bool bResult = MemUtil.ArraysEqual(pbThis, pbOther);
+            Array.Clear(pbOther, 0, pbOther.Length);
+            Array.Clear(pbThis, 0, pbThis.Length);

-			byte[] pbThis = CreateRawCompositeKey32();
-			byte[] pbOther = ckOther.CreateRawCompositeKey32();
-			bool bResult = MemUtil.ArraysEqual(pbThis, pbOther);
-			Array.Clear(pbOther, 0, pbOther.Length);
-			Array.Clear(pbThis, 0, pbThis.Length);
+            return bResult;
+        }

-			return bResult;
-		}
+        /// <summary>
+        /// Generate a 32-bit wide key out of the composite key.
+        /// </summary>
+        /// <param name="pbKeySeed32">Seed used in the key transformation
+        /// rounds. Must be a byte array containing exactly 32 bytes; must
+        /// not be null.</param>
+        /// <param name="uNumRounds">Number of key transformation rounds.</param>
+        /// <returns>Returns a protected binary object that contains the
+        /// resulting 32-bit wide key.</returns>
+        public ProtectedBinary GenerateKey32(byte[] pbKeySeed32, ulong uNumRounds)
+        {
+            Debug.Assert(pbKeySeed32 != null);
+            if (pbKeySeed32 == null) throw new ArgumentNullException("pbKeySeed32");
+            Debug.Assert(pbKeySeed32.Length == 32);
+            if (pbKeySeed32.Length != 32) throw new ArgumentException("pbKeySeed32");

-		/// <summary>
-		/// Generate a 32-bit wide key out of the composite key.
-		/// </summary>
-		/// <param name="pbKeySeed32">Seed used in the key transformation
-		/// rounds. Must be a byte array containing exactly 32 bytes; must
-		/// not be null.</param>
-		/// <param name="uNumRounds">Number of key transformation rounds.</param>
-		/// <returns>Returns a protected binary object that contains the
-		/// resulting 32-bit wide key.</returns>
-		public ProtectedBinary GenerateKey32(byte[] pbKeySeed32, ulong uNumRounds)
-		{
-			Debug.Assert(pbKeySeed32 != null);
-			if(pbKeySeed32 == null) throw new ArgumentNullException("pbKeySeed32");
-			Debug.Assert(pbKeySeed32.Length == 32);
-			if(pbKeySeed32.Length != 32) throw new ArgumentException("pbKeySeed32");
+            byte[] pbRaw32 = CreateRawCompositeKey32();
+            if ((pbRaw32 == null) || (pbRaw32.Length != 32))
+            {
+                Debug.Assert(false);
+                return null;
+            }

-			byte[] pbRaw32 = CreateRawCompositeKey32();
-			if((pbRaw32 == null) || (pbRaw32.Length != 32))
-				{ Debug.Assert(false); return null; }
+            byte[] pbTrf32 = TransformKey(pbRaw32, pbKeySeed32, uNumRounds);
+            if ((pbTrf32 == null) || (pbTrf32.Length != 32))
+            {
+                Debug.Assert(false);
+                return null;
+            }

-			byte[] pbTrf32 = TransformKey(pbRaw32, pbKeySeed32, uNumRounds);
-			if((pbTrf32 == null) || (pbTrf32.Length != 32))
-				{ Debug.Assert(false); return null; }
+            ProtectedBinary pbRet = new ProtectedBinary(true, pbTrf32);
+            MemUtil.ZeroByteArray(pbTrf32);
+            MemUtil.ZeroByteArray(pbRaw32);

-			ProtectedBinary pbRet = new ProtectedBinary(true, pbTrf32);
-			MemUtil.ZeroByteArray(pbTrf32);
-			MemUtil.ZeroByteArray(pbRaw32);
+            return pbRet;
+        }

-			return pbRet;
-		}
-
-		private void ValidateUserKeys()
-		{
+        private void ValidateUserKeys()
+        {
+#if !PCL
 			int nAccounts = 0;

 			foreach(IUserKey uKey in m_vUserKeys)
@@ -244,98 +252,69 @@ namespace ModernKeePassLib.Keys
 				Debug.Assert(false);
 				throw new InvalidOperationException();
 			}
-		}
+#endif
+        }

-		/// <summary>
-		/// Transform the current key <c>uNumRounds</c> times.
-		/// </summary>
-		/// <param name="pbOriginalKey32">The original key which will be transformed.
-		/// This parameter won't be modified.</param>
-		/// <param name="pbKeySeed32">Seed used for key transformations. Must not
-		/// be <c>null</c>. This parameter won't be modified.</param>
-		/// <param name="uNumRounds">Transformation count.</param>
-		/// <returns>256-bit transformed key.</returns>
-		private static byte[] TransformKey(byte[] pbOriginalKey32, byte[] pbKeySeed32,
-			ulong uNumRounds)
-		{
-             
-			Debug.Assert((pbOriginalKey32 != null) && (pbOriginalKey32.Length == 32));
-			if(pbOriginalKey32 == null) throw new ArgumentNullException("pbOriginalKey32");
-			if(pbOriginalKey32.Length != 32) throw new ArgumentException();
+        /// <summary>
+        /// Transform the current key <c>uNumRounds</c> times.
+        /// </summary>
+        /// <param name="pbOriginalKey32">The original key which will be transformed.
+        /// This parameter won't be modified.</param>
+        /// <param name="pbKeySeed32">Seed used for key transformations. Must not
+        /// be <c>null</c>. This parameter won't be modified.</param>
+        /// <param name="uNumRounds">Transformation count.</param>
+        /// <returns>256-bit transformed key.</returns>
+        private static byte[] TransformKey(byte[] pbOriginalKey32, byte[] pbKeySeed32,
+            ulong uNumRounds)
+        {
+            Debug.Assert((pbOriginalKey32 != null) && (pbOriginalKey32.Length == 32));
+            if (pbOriginalKey32 == null) throw new ArgumentNullException("pbOriginalKey32");
+            if (pbOriginalKey32.Length != 32) throw new ArgumentException();

-			Debug.Assert((pbKeySeed32 != null) && (pbKeySeed32.Length == 32));
-			if(pbKeySeed32 == null) throw new ArgumentNullException("pbKeySeed32");
-			if(pbKeySeed32.Length != 32) throw new ArgumentException();
+            Debug.Assert((pbKeySeed32 != null) && (pbKeySeed32.Length == 32));
+            if (pbKeySeed32 == null) throw new ArgumentNullException("pbKeySeed32");
+            if (pbKeySeed32.Length != 32) throw new ArgumentException();

-			byte[] pbNewKey = new byte[32];
-			Array.Copy(pbOriginalKey32, pbNewKey, pbNewKey.Length);
+            byte[] pbNewKey = new byte[32];
+            Array.Copy(pbOriginalKey32, pbNewKey, pbNewKey.Length);

-			if(TransformKeyManaged(pbNewKey, pbKeySeed32, uNumRounds) == false)
-				return null;
+#if !PCL // Try to use the native library first
+			if(NativeLib.TransformKey256(pbNewKey, pbKeySeed32, uNumRounds))
+				return (new SHA256Managed()).ComputeHash(pbNewKey);
+#endif

-            byte[] transformedKey = SHA256Managed.Instance.ComputeHash(pbNewKey);
-            return (transformedKey);
-		}
+            if (TransformKeyManaged(pbNewKey, pbKeySeed32, uNumRounds) == false)
+                return null;

-		public static bool TransformKeyManaged(byte[] pbNewKey32, byte[] pbKeySeed32,
-			ulong uNumRounds)
-		{
-            
-			byte[] pbIV = new byte[16];
-			Array.Clear(pbIV, 0, pbIV.Length);
+#if PCL
+            var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+            return sha256.HashData(pbNewKey.AsBuffer()).ToArray();
+#else
+			SHA256Managed sha256 = new SHA256Managed();
+			return sha256.ComputeHash(pbNewKey);
+#endif
+        }

-            String strAlgName = "AES_ECB";          // Algorithm name    
+        public static bool TransformKeyManaged(byte[] pbNewKey32, byte[] pbKeySeed32,
+            ulong uNumRounds)
+        {
+#if KeePassRT
+			KeyParameter kp = new KeyParameter(pbKeySeed32);
+			AesEngine aes = new AesEngine();
+			aes.Init(true, kp);

-            IBuffer iv = null; // no IV used in ECB.
-            IBuffer buffMsg = CryptographicBuffer.CreateFromByteArray(pbNewKey32);
-            IBuffer keyMaterial = CryptographicBuffer.CreateFromByteArray(pbKeySeed32);
-            SymmetricKeyAlgorithmProvider objAlg = SymmetricKeyAlgorithmProvider.OpenAlgorithm(strAlgName);
-            CryptographicKey key = objAlg.CreateSymmetricKey(keyMaterial);
-
-            for (ulong i = 0; i < uNumRounds; ++i)
-            {
-                buffMsg = CryptographicEngine.Encrypt(key, buffMsg, iv);
-            }
-            byte[] newKey32;
-            CryptographicBuffer.CopyToByteArray(buffMsg, out newKey32);
-            newKey32.CopyTo(pbNewKey32,0);
-
-			return true;
-		}
-
-		/// <summary>
-		/// Benchmark the <c>TransformKey</c> method. Within
-		/// <paramref name="uMilliseconds"/> ms, random keys will be transformed
-		/// and the number of performed transformations are returned.
-		/// </summary>
-		/// <param name="uMilliseconds">Test duration in ms.</param>
-		/// <param name="uStep">Stepping.
-		/// <paramref name="uStep" /> should be a prime number. For fast processors
-		/// (PCs) a value of <c>3001</c> is recommended, for slower processors (PocketPC)
-		/// a value of <c>401</c> is recommended.</param>
-		/// <returns>Number of transformations performed in the specified
-		/// amount of time. Maximum value is <c>uint.MaxValue</c>.</returns>
-		public static ulong TransformKeyBenchmark(uint uMilliseconds, ulong uStep)
-		{
-   Debug.Assert(false, "not yet implemented");
-            return 0;
-#if TODO
-			ulong uRounds;
-
-			// Try native method
-			if(NativeLib.TransformKeyBenchmark256(uMilliseconds, out uRounds))
-				return uRounds;
-
-			byte[] pbIV = new byte[16];
-			Array.Clear(pbIV, 0, pbIV.Length);
-
-			byte[] pbKey = new byte[32];
-			byte[] pbNewKey = new byte[32];
-			for(int i = 0; i < pbKey.Length; ++i)
+			for(ulong i = 0; i < uNumRounds; ++i)
 			{
-				pbKey[i] = (byte)i;
-				pbNewKey[i] = (byte)i;
+				aes.ProcessBlock(pbNewKey32, 0, pbNewKey32, 0);
+				aes.ProcessBlock(pbNewKey32, 16, pbNewKey32, 16);
 			}
+#elif PCL
+            var aes = SymmetricKeyAlgorithmProvider.OpenAlgorithm(SymmetricAlgorithmNames.AesEcb);
+            var key = aes.CreateSymmetricKey(pbKeySeed32.AsBuffer());
+            //var iCrypt = CryptographicEngine.CreateEncryptor(key);
+#else
+			byte[] pbIV = new byte[16];
+			Array.Clear(pbIV, 0, pbIV.Length);

 			RijndaelManaged r = new RijndaelManaged();
 			if(r.BlockSize != 128) // AES block size
@@ -347,56 +326,40 @@ namespace ModernKeePassLib.Keys
 			r.IV = pbIV;
 			r.Mode = CipherMode.ECB;
 			r.KeySize = 256;
-			r.Key = pbKey;
+			r.Key = pbKeySeed32;
 			ICryptoTransform iCrypt = r.CreateEncryptor();
-
-			// !iCrypt.CanReuseTransform -- doesn't work with Mono
-			if((iCrypt == null) || (iCrypt.InputBlockSize != 16) ||
-				(iCrypt.OutputBlockSize != 16))
-			{
-				Debug.Assert(false, "Invalid ICryptoTransform.");
-				Debug.Assert(iCrypt.InputBlockSize == 16, "Invalid input block size!");
-				Debug.Assert(iCrypt.OutputBlockSize == 16, "Invalid output block size!");
-				return PwDefs.DefaultKeyEncryptionRounds;
-			}
-
-			DateTime dtStart = DateTime.Now;
-			TimeSpan ts;
-			double dblReqMillis = uMilliseconds;
-
-			uRounds = 0;
-			while(true)
-			{
-				for(ulong j = 0; j < uStep; ++j)
-				{
-					iCrypt.TransformBlock(pbNewKey, 0, 16, pbNewKey, 0);
-					iCrypt.TransformBlock(pbNewKey, 16, 16, pbNewKey, 16);
-				}
-
-				uRounds += uStep;
-				if(uRounds < uStep) // Overflow check
-				{
-					uRounds = ulong.MaxValue;
-					break;
-				}
-
-				ts = DateTime.Now - dtStart;
-				if(ts.TotalMilliseconds > dblReqMillis) break;
-			}
-
-			return uRounds;
 #endif
+
+            // !iCrypt.CanReuseTransform -- doesn't work with Mono
+            /*if ((iCrypt == null) || (iCrypt.InputBlockSize != 16) ||
+                (iCrypt.OutputBlockSize != 16))*/
+            if (aes.BlockLength != 16)
+            {
+                Debug.Assert(false, "Invalid ICryptoTransform.");
+                /*Debug.Assert((iCrypt.InputBlockSize == 16), "Invalid input block size!");
+                Debug.Assert((iCrypt.OutputBlockSize == 16), "Invalid output block size!");*/
+                Debug.Assert(aes.BlockLength == 16, "Invalid input block size!");
+                return false;
+            }
+
+            for (ulong i = 0; i < uNumRounds; ++i)
+            {
+                /*iCrypt.TransformBlock(pbNewKey32, 0, 16, pbNewKey32, 0);
+                iCrypt.TransformBlock(pbNewKey32, 16, 16, pbNewKey32, 16);*/
+            }
+
+            return true;
        }
-	}
+    }

-	public sealed class InvalidCompositeKeyException : Exception
+    public sealed class InvalidCompositeKeyException : Exception
 	{
-
 		public override string Message
 		{
 			get
 			{
-                return "The composite key is invalid!" + Environment.NewLine + "Make sure the composite key is correct and try again."; // No translation needed here, the message will not be shown in the UI.
+				return KLRes.InvalidCompositeKey + Environment.NewLine
+					+ Environment.NewLine + KLRes.InvalidCompositeKeyHint;
 			}
 		}

--- a/ModernKeePassLib/Keys/IUserKey.cs
+++ b/ModernKeePassLib/Keys/IUserKey.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Keys/KcpCustomKey.cs
+++ b/ModernKeePassLib/Keys/KcpCustomKey.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,12 +17,24 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.Core;
+#if PCL
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif

 using ModernKeePassLib.Security;
+using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Keys
 {
-    public sealed class KcpCustomKey : IUserKey
+	public sealed class KcpCustomKey : IUserKey
 	{
 		private readonly string m_strName;
 		private ProtectedBinary m_pbKey;
@@ -42,10 +54,6 @@ namespace ModernKeePassLib.Keys

 		public KcpCustomKey(string strName, byte[] pbKeyData, bool bPerformHash)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return;
-#if TODO
-
 			Debug.Assert(strName != null); if(strName == null) throw new ArgumentNullException("strName");
 			Debug.Assert(pbKeyData != null); if(pbKeyData == null) throw new ArgumentNullException("pbKeyData");

@@ -53,12 +61,16 @@ namespace ModernKeePassLib.Keys

 			if(bPerformHash)
 			{
+#if PCL
+				var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+				var pbRaw = sha256.HashData(pbKeyData.AsBuffer());
+#else
 				SHA256Managed sha256 = new SHA256Managed();
 				byte[] pbRaw = sha256.ComputeHash(pbKeyData);
-				m_pbKey = new ProtectedBinary(true, pbRaw);
+#endif
+				m_pbKey = new ProtectedBinary(true, pbRaw.ToArray());
 			}
 			else m_pbKey = new ProtectedBinary(true, pbKeyData);
-#endif
 		}

 		// public void Clear()
--- a/ModernKeePassLib/Keys/KcpKeyFile.cs
+++ b/ModernKeePassLib/Keys/KcpKeyFile.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,16 +17,34 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-
+using System;
+using System.Text;
+using System.IO;
+using System.Xml;
+using System.Security;
+#if PCL
+using System.Collections.Generic;
+using System.Linq;
+using System.Xml.Linq;
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.Core;
+using ModernKeePassLib.Cryptography;
+using ModernKeePassLib.Resources;
 using ModernKeePassLib.Security;
 using ModernKeePassLib.Serialization;
+using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Keys
 {
-    /// <summary>
-    /// Key files as provided by the user.
-    /// </summary>
-    public sealed class KcpKeyFile : IUserKey
+	/// <summary>
+	/// Key files as provided by the user.
+	/// </summary>
+	public sealed class KcpKeyFile : IUserKey
 	{
 		private string m_strPath;
 		private ProtectedBinary m_pbKeyData;
@@ -51,22 +69,47 @@ namespace ModernKeePassLib.Keys

 		public KcpKeyFile(string strKeyFile)
 		{
-			Construct(IOConnectionInfo.FromPath(strKeyFile));
+			Construct(IOConnectionInfo.FromPath(strKeyFile), false);
+		}
+
+		public KcpKeyFile(string strKeyFile, bool bThrowIfDbFile)
+		{
+			Construct(IOConnectionInfo.FromPath(strKeyFile), bThrowIfDbFile);
 		}

 		public KcpKeyFile(IOConnectionInfo iocKeyFile)
 		{
-			Construct(iocKeyFile);
+			Construct(iocKeyFile, false);
 		}

-		private void Construct(IOConnectionInfo iocFile)
+		public KcpKeyFile(IOConnectionInfo iocKeyFile, bool bThrowIfDbFile)
+		{
+			Construct(iocKeyFile, bThrowIfDbFile);
+		}
+
+		private void Construct(IOConnectionInfo iocFile, bool bThrowIfDbFile)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return;
-#if TODO
 			byte[] pbFileData = IOConnection.ReadFile(iocFile);
 			if(pbFileData == null) throw new FileNotFoundException();

+			if(bThrowIfDbFile && (pbFileData.Length >= 8))
+			{
+				uint uSig1 = MemUtil.BytesToUInt32(MemUtil.Mid(pbFileData, 0, 4));
+				uint uSig2 = MemUtil.BytesToUInt32(MemUtil.Mid(pbFileData, 4, 4));
+
+				if(((uSig1 == KdbxFile.FileSignature1) &&
+					(uSig2 == KdbxFile.FileSignature2)) ||
+					((uSig1 == KdbxFile.FileSignaturePreRelease1) &&
+					(uSig2 == KdbxFile.FileSignaturePreRelease2)) ||
+					((uSig1 == KdbxFile.FileSignatureOld1) &&
+					(uSig2 == KdbxFile.FileSignatureOld2)))
+#if KeePassLibSD
+					throw new Exception(KLRes.KeyFileDbSel);
+#else
+					throw new InvalidDataException(KLRes.KeyFileDbSel);
+#endif
+			}
+
 			byte[] pbKey = LoadXmlKeyFile(pbFileData);
 			if(pbKey == null) pbKey = LoadKeyFile(pbFileData);

@@ -76,7 +119,6 @@ namespace ModernKeePassLib.Keys
 			m_pbKeyData = new ProtectedBinary(true, pbKey);

 			MemUtil.ZeroByteArray(pbKey);
-#endif
 		}

 		// public void Clear()
@@ -87,9 +129,6 @@ namespace ModernKeePassLib.Keys

 		private static byte[] LoadKeyFile(byte[] pbFileData)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(pbFileData == null) { Debug.Assert(false); return null; }

 			int iLength = pbFileData.Length;
@@ -100,12 +139,16 @@ namespace ModernKeePassLib.Keys

 			if(pbKey == null)
 			{
+#if PCL
+				var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+				pbKey = sha256.HashData(pbFileData.AsBuffer()).ToArray();
+#else
 				SHA256Managed sha256 = new SHA256Managed();
 				pbKey = sha256.ComputeHash(pbFileData);
+#endif
 			}

 			return pbKey;
-#endif
 		}

 		private static byte[] LoadBinaryKey32(byte[] pbFileData)
@@ -118,15 +161,12 @@ namespace ModernKeePassLib.Keys

 		private static byte[] LoadHexKey32(byte[] pbFileData)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(pbFileData == null) { Debug.Assert(false); return null; }
 			if(pbFileData.Length != 64) { Debug.Assert(false); return null; }

 			try
 			{
-				string strHex = Encoding.ASCII.GetString(pbFileData, 0, 64);
+				string strHex = StrUtil.Utf8.GetString(pbFileData, 0, 64);
 				if(!StrUtil.IsHexString(strHex, true)) return null;

 				byte[] pbKey = MemUtil.HexStringToByteArray(strHex);
@@ -138,7 +178,6 @@ namespace ModernKeePassLib.Keys
 			catch(Exception) { Debug.Assert(false); }

 			return null;
-#endif
 		}

 		/// <summary>
@@ -152,9 +191,6 @@ namespace ModernKeePassLib.Keys
 		/// <returns>Returns a <c>FileSaveResult</c> error code.</returns>
 		public static void Create(string strFilePath, byte[] pbAdditionalEntropy)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return;
-#if TODO
 			byte[] pbKey32 = CryptoRandom.Instance.GetRandomBytes(32);
 			if(pbKey32 == null) throw new SecurityException();

@@ -163,17 +199,22 @@ namespace ModernKeePassLib.Keys
 				pbFinalKey32 = pbKey32;
 			else
 			{
-				MemoryStream ms = new MemoryStream();
-				ms.Write(pbAdditionalEntropy, 0, pbAdditionalEntropy.Length);
-				ms.Write(pbKey32, 0, 32);
+			    using (MemoryStream ms = new MemoryStream())
+			    {
+			        ms.Write(pbAdditionalEntropy, 0, pbAdditionalEntropy.Length);
+			        ms.Write(pbKey32, 0, 32);

-				SHA256Managed sha256 = new SHA256Managed();
-				pbFinalKey32 = sha256.ComputeHash(ms.ToArray());
-				ms.Close();
+#if PCL
+			        var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+			        pbFinalKey32 = sha256.HashData(ms.GetWindowsRuntimeBuffer()).ToArray();
+#else
+				    SHA256Managed sha256 = new SHA256Managed();
+				    pbFinalKey32 = sha256.ComputeHash(ms.ToArray());
+#endif
+			    }
 			}

 			CreateXmlKeyFile(strFilePath, pbFinalKey32);
-#endif
 		}

 		// ================================================================
@@ -199,9 +240,6 @@ namespace ModernKeePassLib.Keys

 		private static byte[] LoadXmlKeyFile(byte[] pbFileData)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(pbFileData == null) { Debug.Assert(false); return null; }

 			MemoryStream ms = new MemoryStream(pbFileData, false);
@@ -209,10 +247,38 @@ namespace ModernKeePassLib.Keys

 			try
 			{
+#if PCL
+
+				var doc = XDocument.Load(ms);
+
+				var el = doc.Root;
+
+				if((el == null) || !el.Name.LocalName.Equals(RootElementName))
+					return null;
+				if(el.DescendantNodes().Count() < 2)
+					return null;
+
+				foreach(var xmlChild in el.Descendants())
+				{
+					if(xmlChild.Name == MetaElementName) { } // Ignore Meta
+					else if(xmlChild.Name == KeyElementName)
+					{
+						foreach(var xmlKeyChild in xmlChild.Descendants())
+						{
+							if(xmlKeyChild.Name == KeyDataElementName)
+							{
+								if(pbKeyData == null)
+									pbKeyData = Convert.FromBase64String(xmlKeyChild.Value);
+							}
+						}
+					}
+				}
+#else
 				XmlDocument doc = new XmlDocument();
 				doc.Load(ms);

 				XmlElement el = doc.DocumentElement;
+
 				if((el == null) || !el.Name.Equals(RootElementName)) return null;
 				if(el.ChildNodes.Count < 2) return null;

@@ -231,26 +297,30 @@ namespace ModernKeePassLib.Keys
 						}
 					}
 				}
+#endif
 			}
 			catch(Exception) { pbKeyData = null; }
-			finally { ms.Close(); }
+			finally { ms.Dispose(); }

 			return pbKeyData;
-#endif
 		}

 		private static void CreateXmlKeyFile(string strFile, byte[] pbKeyData)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return;
-#if TODO
-
 			Debug.Assert(strFile != null);
 			if(strFile == null) throw new ArgumentNullException("strFile");
 			Debug.Assert(pbKeyData != null);
 			if(pbKeyData == null) throw new ArgumentNullException("pbKeyData");

-			XmlTextWriter xtw = new XmlTextWriter(strFile, StrUtil.Utf8);
+			IOConnectionInfo ioc = IOConnectionInfo.FromPath(strFile);
+			Stream sOut = IOConnection.OpenWrite(ioc);
+
+#if PCL
+			var settings = new XmlWriterSettings() { Encoding = StrUtil.Utf8 };
+			var xtw = XmlWriter.Create(sOut, settings);
+#else
+			XmlTextWriter xtw = new XmlTextWriter(sOut, StrUtil.Utf8);
+#endif

 			xtw.WriteStartDocument();
 			xtw.WriteWhitespace("\r\n");
@@ -280,8 +350,9 @@ namespace ModernKeePassLib.Keys
 			xtw.WriteEndElement(); // RootElementName
 			xtw.WriteWhitespace("\r\n");
 			xtw.WriteEndDocument(); // End KeyFile
-			xtw.Close();
-#endif
-        }
+			xtw.Dispose();
+
+			sOut.Dispose();
+		}
 	}
 }
--- a/ModernKeePassLib/Keys/KcpPassword.cs
+++ b/ModernKeePassLib/Keys/KcpPassword.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,17 +18,25 @@
 */

 using System;
+using System.Text;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.Core;
+#if PCL
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif

 using ModernKeePassLib.Security;
 using ModernKeePassLib.Utility;
-using ModernKeePassLib.Cryptography;

 namespace ModernKeePassLib.Keys
 {
-    /// <summary>
-    /// Master password / passphrase as provided by the user.
-    /// </summary>
-    public sealed class KcpPassword : IUserKey
+	/// <summary>
+	/// Master password / passphrase as provided by the user.
+	/// </summary>
+	public sealed class KcpPassword : IUserKey
 	{
 		private ProtectedString m_psPassword;
 		private ProtectedBinary m_pbKeyData;
@@ -66,11 +74,16 @@ namespace ModernKeePassLib.Keys
 			Debug.Assert(pbPasswordUtf8 != null);
 			if(pbPasswordUtf8 == null) throw new ArgumentNullException("pbPasswordUtf8");

-            byte[] pbRaw = SHA256Managed.Instance.ComputeHash(pbPasswordUtf8);
-          
+#if PCL
+			var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+			var pbRaw = sha256.HashData(pbPasswordUtf8.AsBuffer());
+#else
+			SHA256Managed sha256 = new SHA256Managed();
+			byte[] pbRaw = sha256.ComputeHash(pbPasswordUtf8);
+#endif
+
 			m_psPassword = new ProtectedString(true, pbPasswordUtf8);
-			m_pbKeyData = new ProtectedBinary(true, pbRaw);
-        
+			m_pbKeyData = new ProtectedBinary(true, pbRaw.ToArray());
 		}

 		// public void Clear()
--- a/ModernKeePassLib/Keys/KcpUserAccount.cs
+++ b/ModernKeePassLib/Keys/KcpUserAccount.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,15 +17,25 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-
+using System;
+using System.Security;
+using Windows.Security.Cryptography;
+using System.IO;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.DataProtection;
+using Windows.Storage;
+using Windows.Storage.Streams;
+using ModernKeePassLib.Cryptography;
+using ModernKeePassLib.Resources;
 using ModernKeePassLib.Security;
+using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Keys
 {
-    /// <summary>
-    /// A user key depending on the currently logged on Windows user account.
-    /// </summary>
-    public sealed class KcpUserAccount : IUserKey
+	/// <summary>
+	/// A user key depending on the currently logged on Windows user account.
+	/// </summary>
+	public sealed class KcpUserAccount : IUserKey
 	{
 		private ProtectedBinary m_pbKeyData = null;

@@ -52,14 +62,14 @@ namespace ModernKeePassLib.Keys
 		/// </summary>
 		public KcpUserAccount()
 		{
-            Debug.Assert(false, "not yet implemented");
-            return;
-#if TODO
 			// Test if ProtectedData is supported -- throws an exception
 			// when running on an old system (Windows 98 / ME).
 			byte[] pbDummyData = new byte[128];
-			ProtectedData.Protect(pbDummyData, m_pbEntropy,
-				DataProtectionScope.CurrentUser);
+
+		    DataProtectionProvider provider = new DataProtectionProvider("Local=user");
+		    provider.ProtectAsync(pbDummyData.AsBuffer()).GetResults();
+            /*ProtectedData.Protect(pbDummyData, m_pbEntropy,
+				DataProtectionScope.CurrentUser);*/

 			byte[] pbKey = LoadUserKey(false);
 			if(pbKey == null) pbKey = CreateUserKey();
@@ -67,7 +77,6 @@ namespace ModernKeePassLib.Keys

 			m_pbKeyData = new ProtectedBinary(true, pbKey);
 			Array.Clear(pbKey, 0, pbKey.Length);
-#endif
 		}

 		// public void Clear()
@@ -77,42 +86,54 @@ namespace ModernKeePassLib.Keys

 		private static string GetUserKeyFilePath(bool bCreate)
 		{
-             Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
-
-			string strUserDir = Environment.GetFolderPath(
-				Environment.SpecialFolder.ApplicationData);
+#if KeePassRT
+			string strUserDir = ApplicationData.Current.RoamingFolder.Path;
+#else
+			/*string strUserDir = Environment.GetFolderPath(
+				Environment.SpecialFolder.ApplicationData);*/
+		    var strUserDir = ApplicationData.Current.RoamingFolder.Path;
+#endif

 			strUserDir = UrlUtil.EnsureTerminatingSeparator(strUserDir, false);
 			strUserDir += PwDefs.ShortProductName;

-			if(bCreate && !Directory.Exists(strUserDir))
-				Directory.CreateDirectory(strUserDir);
+            // Folder is sure to exist
+			/*if(bCreate && !Directory.Exists(strUserDir))
+				Directory.CreateDirectory(strUserDir);*/

 			strUserDir = UrlUtil.EnsureTerminatingSeparator(strUserDir, false);
 			return strUserDir + UserKeyFileName;
-#endif
 		}

 		private static byte[] LoadUserKey(bool bShowWarning)
 		{
 			byte[] pbKey = null;

-#if !KeePassLibSD && TODO
+#if !KeePassLibSD
 			try
 			{
 				string strFilePath = GetUserKeyFilePath(false);
-				byte[] pbProtectedKey = File.ReadAllBytes(strFilePath);
+			    var pbProtectedKeyStream =
+			        ApplicationData.Current.RoamingFolder.GetFileAsync(strFilePath).GetResults().
+                    OpenAsync(FileAccessMode.Read).GetResults().AsStream();
+			    using (var ms = new MemoryStream())
+			    {
+                    ms.CopyTo(pbProtectedKeyStream);
+			        var pbProtectedKey = ms.ToArray();

-				pbKey = ProtectedData.Unprotect(pbProtectedKey, m_pbEntropy,
-					DataProtectionScope.CurrentUser);
+                    //byte[] pbProtectedKey = File.ReadAllBytes(strFilePath);

-				Array.Clear(pbProtectedKey, 0, pbProtectedKey.Length);
+                    DataProtectionProvider provider = new DataProtectionProvider("Local=user");
+			        pbKey = provider.UnprotectAsync(pbProtectedKey.AsBuffer()).GetResults().ToArray();
+                    /*pbKey = ProtectedData.Unprotect(pbProtectedKey, m_pbEntropy,
+					    DataProtectionScope.CurrentUser);*/
+
+				    Array.Clear(pbProtectedKey, 0, pbProtectedKey.Length);
+                }
 			}
 			catch(Exception exLoad)
 			{
-				if(bShowWarning) MessageService.ShowWarning(exLoad);
+				//if(bShowWarning) MessageService.ShowWarning(exLoad);

 				pbKey = null;
 			}
@@ -125,16 +146,22 @@ namespace ModernKeePassLib.Keys
 		{
 			byte[] pbKey = null;

-#if !KeePassLibSD && TODO
+#if !KeePassLibSD
 			try
 			{
 				string strFilePath = GetUserKeyFilePath(true);

 				byte[] pbRandomKey = CryptoRandom.Instance.GetRandomBytes(64);
-				byte[] pbProtectedKey = ProtectedData.Protect(pbRandomKey,
-					m_pbEntropy, DataProtectionScope.CurrentUser);

-				File.WriteAllBytes(strFilePath, pbProtectedKey);
+			    DataProtectionProvider provider = new DataProtectionProvider("Local=user");
+                var pbProtectedKey = provider.ProtectAsync(pbRandomKey.AsBuffer()).GetResults().ToArray();
+                /*byte[] pbProtectedKey = ProtectedData.Protect(pbRandomKey,
+					m_pbEntropy, DataProtectionScope.CurrentUser);*/
+                    
+                var file = ApplicationData.Current.RoamingFolder.CreateFileAsync(strFilePath).GetResults().
+                    OpenAsync(FileAccessMode.ReadWrite).GetResults();
+			    file.WriteAsync(pbProtectedKey.AsBuffer()).GetResults();
+                //File.WriteAllBytes(strFilePath, pbProtectedKey);

 				Array.Clear(pbProtectedKey, 0, pbProtectedKey.Length);
 				Array.Clear(pbRandomKey, 0, pbRandomKey.Length);
--- a/ModernKeePassLib/Keys/KeyProvider.cs
+++ b/ModernKeePassLib/Keys/KeyProvider.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Keys/KeyProviderPool.cs
+++ b/ModernKeePassLib/Keys/KeyProviderPool.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Keys/KeyValidator.cs
+++ b/ModernKeePassLib/Keys/KeyValidator.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Keys/KeyValidatorPool.cs
+++ b/ModernKeePassLib/Keys/KeyValidatorPool.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Keys/UserKeyType.cs
+++ b/ModernKeePassLib/Keys/UserKeyType.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Libs/Windows.winmd
+++ b/ModernKeePassLib/Libs/Windows.winmd
--- a/ModernKeePassLib/ModernKeePassLib.csproj
+++ b/ModernKeePassLib/ModernKeePassLib.csproj
@@ -24,7 +24,7 @@
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>TRACE;DEBUG;NETSTANDARD1_2, KeePassWinRT</DefineConstants>
+    <DefineConstants>TRACE;DEBUG;NETSTANDARD1_2, PCL</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
@@ -126,7 +126,6 @@
    <Compile Include="Cryptography\PopularPasswords.cs" />
    <Compile Include="Cryptography\QualityEstimation.cs" />
    <Compile Include="Cryptography\SelfTest.cs" />
-    <Compile Include="Cryptography\SHA256Managed.cs" />
    <Compile Include="DebugAssert.cs" />
    <Compile Include="Interfaces\IStructureItem.cs" />
    <Compile Include="Interfaces\IUIOperations.cs" />
@@ -137,7 +136,6 @@
    <Compile Include="Keys\KeyValidator.cs" />
    <Compile Include="Keys\KeyValidatorPool.cs" />
    <Compile Include="Keys\UserKeyType.cs" />
-    <Compile Include="Native\NativeMethods.cs" />
    <Compile Include="PwCustomIcon.cs" />
    <Compile Include="Resources\KLRes.Generated.cs" />
    <Compile Include="Resources\KSRes.Generated.cs" />
@@ -162,32 +160,22 @@
    <Compile Include="Properties\AssemblyInfo.cs" />
    <Compile Include="PwEnums.cs" />
    <Compile Include="Serialization\BinaryReaderEx.cs" />
-    <Compile Include="Serialization\CryptoStream.cs" />
    <Compile Include="Serialization\FileLock.cs" />
    <Compile Include="Serialization\FileTransactionEx.cs" />
    <Compile Include="Serialization\HashedBlockStream.cs" />
    <Compile Include="Serialization\IOConnection.cs" />
-    <Compile Include="Serialization\Kdb4File.cs" />
-    <Compile Include="Serialization\Kdb4File.Read.cs" />
-    <Compile Include="Serialization\Kdb4File.Read.Streamed.cs" />
-    <Compile Include="Serialization\Kdb4File.Write.cs" />
    <Compile Include="Serialization\IOConnectionInfo.cs" />
+    <Compile Include="Serialization\KdbxFile.cs" />
+    <Compile Include="Serialization\KdbxFile.Read.cs" />
+    <Compile Include="Serialization\KdbxFile.Read.Streamed.cs" />
+    <Compile Include="Serialization\KdbxFile.Write.cs" />
    <Compile Include="Serialization\OldFormatException.cs" />
-    <Compile Include="Translation\KPControlCustomization.cs" />
-    <Compile Include="Translation\KPFormCustomization.cs" />
-    <Compile Include="Translation\KPStringTable.cs" />
-    <Compile Include="Translation\KPStringTableItem.cs" />
-    <Compile Include="Translation\KPTranslation.cs" />
-    <Compile Include="Translation\KPTranslationProperties.cs" />
    <Compile Include="Utility\AppLogEx.cs" />
    <Compile Include="Utility\MemUtil.cs" />
-    <Compile Include="Utility\MessageService.cs" />
-    <Compile Include="Native\NativeLib.cs" />
    <Compile Include="Cryptography\PasswordGenerator\PwGenerator.cs" />
    <Compile Include="Utility\StrUtil.cs" />
    <Compile Include="Utility\UrlUtil.cs" />
    <Compile Include="Utility\TimeUtil.cs" />
-    <Compile Include="WinRTColor.cs" />
  </ItemGroup>
  <ItemGroup>
    <None Include="Libs\Windows.winmd" />
@@ -201,6 +189,10 @@
      <HintPath>Libs\Windows.winmd</HintPath>
    </Reference>
  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Native\" />
+    <Folder Include="Translation\" />
+  </ItemGroup>
  <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '12.0' ">
    <VisualStudioVersion>12.0</VisualStudioVersion>
  </PropertyGroup>
--- a/ModernKeePassLib/ModernKeePassLib.csproj.DotSettings
+++ b/ModernKeePassLib/ModernKeePassLib.csproj.DotSettings
@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeInspection/CSharpLanguageProject/LanguageLevel/@EntryValue">CSharp70</s:String></wpf:ResourceDictionary>
--- a/ModernKeePassLib/ModernKeePassLib.csproj.user
+++ b/ModernKeePassLib/ModernKeePassLib.csproj.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
-    <ProjectView>ProjectFiles</ProjectView>
+    <ProjectView>ShowAllFiles</ProjectView>
  </PropertyGroup>
 </Project>
--- a/ModernKeePassLib/Native/Native.PCL.cs
+++ b/ModernKeePassLib/Native/Native.PCL.cs
@@ -0,0 +1,70 @@
+using System;
+
+using PlatformID = System.UInt32;
+
+namespace KeePass2PCL.Native
+{
+	internal static class NativeLib
+	{
+		public static ulong MonoVersion {
+			get { throw new NotImplementedException(); }
+		}
+
+		public static bool IsUnix()
+		{
+			return true;
+		}
+	}
+
+	internal static class NativeMethods
+	{
+		public static bool SupportsStrCmpNaturally {
+			get { throw new NotImplementedException(); }
+		}
+
+		public static int StrCmpNaturally (string s1, string s2)
+		{
+			throw new NotImplementedException();
+		}
+	}
+
+	internal enum DataProtectionScope
+	{
+		CurrentUser,
+		LocalMachine
+	}
+
+	internal static class ProtectedData
+	{
+		public static byte[] Protect(byte[] userData, byte[] optionalEntropy, DataProtectionScope scope)
+		{
+			throw new NotImplementedException();
+		}
+
+		public static byte[] Unprotect(byte[] userData, byte[] optionalEntropy, DataProtectionScope scope)
+		{
+			throw new NotImplementedException();
+		}
+	}
+
+	internal enum MemoryProtectionScope
+	{
+		CrossProcess,
+		SameLogon,
+		SameProcess
+	}
+
+	internal static class ProtectedMemory
+	{
+		public static byte[] Protect(byte[] userData, MemoryProtectionScope scope)
+		{
+			throw new NotImplementedException();
+		}
+
+		public static byte[] Unprotect(byte[] userData, MemoryProtectionScope scope)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}
+
--- a/ModernKeePassLib/Native/NativeLib.cs
+++ b/ModernKeePassLib/Native/NativeLib.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,7 +19,13 @@

 using System;
 using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
 using System.Runtime.InteropServices;
+using System.Windows.Forms;
+using System.Threading;
+using System.IO;
+using System.Reflection;
 using System.Diagnostics;

 using ModernKeePassLib.Utility;
@@ -44,6 +50,43 @@ namespace ModernKeePassLib.Native
 			set { m_bAllowNative = value; }
 		}

+		private static ulong? m_ouMonoVersion = null;
+		public static ulong MonoVersion
+		{
+			get
+			{
+				if(m_ouMonoVersion.HasValue) return m_ouMonoVersion.Value;
+
+				ulong uVersion = 0;
+				try
+				{
+					Type t = Type.GetType("Mono.Runtime");
+					if(t != null)
+					{
+						MethodInfo mi = t.GetMethod("GetDisplayName",
+							BindingFlags.NonPublic | BindingFlags.Static);
+						if(mi != null)
+						{
+							string strName = (mi.Invoke(null, null) as string);
+							if(!string.IsNullOrEmpty(strName))
+							{
+								Match m = Regex.Match(strName, "\\d+(\\.\\d+)+");
+								if(m.Success)
+									uVersion = StrUtil.ParseVersion(m.Value);
+								else { Debug.Assert(false); }
+							}
+							else { Debug.Assert(false); }
+						}
+						else { Debug.Assert(false); }
+					}
+				}
+				catch(Exception) { Debug.Assert(false); }
+
+				m_ouMonoVersion = uVersion;
+				return uVersion;
+			}
+		}
+
 		/// <summary>
 		/// Determine if the native library is installed.
 		/// </summary>
@@ -70,10 +113,6 @@ namespace ModernKeePassLib.Native
 		{
 			if(m_bIsUnix.HasValue) return m_bIsUnix.Value;

-#if KeePassWinRT
-            return false;
-#else
-
 			PlatformID p = GetPlatformID();

 			// Mono defines Unix as 128 in early .NET versions
@@ -84,19 +123,20 @@ namespace ModernKeePassLib.Native
 			m_bIsUnix = (((int)p == 4) || ((int)p == 6) || ((int)p == 128));
 #endif
 			return m_bIsUnix.Value;
-#endif //KeePassWinRT
-        }
+		}

-        // TODO Bert : Not supported for the time being.
-#if !KeePassWinRT
 		private static PlatformID? m_platID = null;
 		public static PlatformID GetPlatformID()
 		{
 			if(m_platID.HasValue) return m_platID.Value;

+#if KeePassRT
+			m_platID = PlatformID.Win32NT;
+#else
 			m_platID = Environment.OSVersion.Platform;
+#endif

-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 			// Mono returns PlatformID.Unix on Mac OS X, workaround this
 			if(m_platID.Value == PlatformID.Unix)
 			{
@@ -108,11 +148,8 @@ namespace ModernKeePassLib.Native

 			return m_platID.Value;
 		}
-#endif

-
-        // BERT Todo: Not supported for the moment.
-#if !KeePassLibSD && TODO
+#if (!KeePassLibSD && !KeePassRT)
 		public static string RunConsoleApp(string strAppPath, string strParams)
 		{
 			return RunConsoleApp(strAppPath, strParams, null);
@@ -120,40 +157,121 @@ namespace ModernKeePassLib.Native

 		public static string RunConsoleApp(string strAppPath, string strParams,
 			string strStdInput)
+		{
+			return RunConsoleApp(strAppPath, strParams, strStdInput,
+				(AppRunFlags.GetStdOutput | AppRunFlags.WaitForExit));
+		}
+
+		private delegate string RunProcessDelegate();
+
+		public static string RunConsoleApp(string strAppPath, string strParams,
+			string strStdInput, AppRunFlags f)
 		{
 			if(strAppPath == null) throw new ArgumentNullException("strAppPath");
 			if(strAppPath.Length == 0) throw new ArgumentException("strAppPath");

-			try
+			bool bStdOut = ((f & AppRunFlags.GetStdOutput) != AppRunFlags.None);
+
+			RunProcessDelegate fnRun = delegate()
 			{
-				ProcessStartInfo psi = new ProcessStartInfo();
-
-				psi.CreateNoWindow = true;
-				psi.FileName = strAppPath;
-				psi.WindowStyle = ProcessWindowStyle.Hidden;
-				psi.UseShellExecute = false;
-				psi.RedirectStandardOutput = true;
-
-				if(strStdInput != null) psi.RedirectStandardInput = true;
-
-				if(!string.IsNullOrEmpty(strParams)) psi.Arguments = strParams;
-
-				Process p = Process.Start(psi);
-
-				if(strStdInput != null)
+				try
 				{
-					p.StandardInput.Write(strStdInput);
-					p.StandardInput.Close();
+					ProcessStartInfo psi = new ProcessStartInfo();
+
+					psi.CreateNoWindow = true;
+					psi.FileName = strAppPath;
+					psi.WindowStyle = ProcessWindowStyle.Hidden;
+					psi.UseShellExecute = false;
+					psi.RedirectStandardOutput = bStdOut;
+
+					if(strStdInput != null) psi.RedirectStandardInput = true;
+
+					if(!string.IsNullOrEmpty(strParams)) psi.Arguments = strParams;
+
+					Process p = Process.Start(psi);
+
+					if(strStdInput != null)
+					{
+						// Workaround for Mono Process StdIn BOM bug;
+						// https://sourceforge.net/p/keepass/bugs/1219/
+						EnsureNoBom(p.StandardInput);
+
+						p.StandardInput.Write(strStdInput);
+						p.StandardInput.Close();
+					}
+
+					string strOutput = string.Empty;
+					if(bStdOut) strOutput = p.StandardOutput.ReadToEnd();
+
+					if((f & AppRunFlags.WaitForExit) != AppRunFlags.None)
+						p.WaitForExit();
+					else if((f & AppRunFlags.GCKeepAlive) != AppRunFlags.None)
+					{
+						Thread th = new Thread(delegate()
+						{
+							try { p.WaitForExit(); }
+							catch(Exception) { Debug.Assert(false); }
+						});
+						th.Start();
+					}
+
+					return strOutput;
+				}
+				catch(Exception) { Debug.Assert(false); }
+
+				return null;
+			};
+
+			if((f & AppRunFlags.DoEvents) != AppRunFlags.None)
+			{
+				List<Form> lDisabledForms = new List<Form>();
+				if((f & AppRunFlags.DisableForms) != AppRunFlags.None)
+				{
+					foreach(Form form in Application.OpenForms)
+					{
+						if(!form.Enabled) continue;
+
+						lDisabledForms.Add(form);
+						form.Enabled = false;
+					}
 				}

-				string strOutput = p.StandardOutput.ReadToEnd();
-				p.WaitForExit();
+				IAsyncResult ar = fnRun.BeginInvoke(null, null);

-				return strOutput;
+				while(!ar.AsyncWaitHandle.WaitOne(0))
+				{
+					Application.DoEvents();
+					Thread.Sleep(2);
+				}
+
+				string strRet = fnRun.EndInvoke(ar);
+
+				for(int i = lDisabledForms.Count - 1; i >= 0; --i)
+					lDisabledForms[i].Enabled = true;
+
+				return strRet;
+			}
+
+			return fnRun();
+		}
+
+		private static void EnsureNoBom(StreamWriter sw)
+		{
+			if(sw == null) { Debug.Assert(false); return; }
+			if(!NativeLib.IsUnix()) return;
+
+			try
+			{
+				Encoding enc = sw.Encoding;
+				if(enc == null) { Debug.Assert(false); return; }
+				byte[] pbBom = enc.GetPreamble();
+				if((pbBom == null) || (pbBom.Length == 0)) return;
+
+				FieldInfo fi = typeof(StreamWriter).GetField("preamble_done",
+					BindingFlags.Instance | BindingFlags.NonPublic);
+				if(fi != null) fi.SetValue(sw, true);
 			}
 			catch(Exception) { Debug.Assert(false); }
-
-			return null;
 		}
 #endif

@@ -172,12 +290,12 @@ namespace ModernKeePassLib.Native
 			KeyValuePair<IntPtr, IntPtr> kvp = PrepareArrays256(pBuf256, pKey256);
 			bool bResult = false;

-			/*try
+			try
 			{
 				bResult = NativeMethods.TransformKey(kvp.Key, kvp.Value, uRounds);
 			}
 			catch(Exception) { bResult = false; }
-            */
+
 			if(bResult) GetBuffers256(kvp, pBuf256, pKey256);

 			NativeLib.FreeArrays(kvp);
@@ -196,8 +314,8 @@ namespace ModernKeePassLib.Native

 			if(m_bAllowNative == false) return false;

-			/*try { puRounds = NativeMethods.TransformKeyBenchmark(uTimeMs); }
-			catch(Exception) { return false; }*/
+			try { puRounds = NativeMethods.TransformKeyBenchmark(uTimeMs); }
+			catch(Exception) { return false; }

 			return true;
 		}
--- a/ModernKeePassLib/Native/NativeMethods.Unix.cs
+++ b/ModernKeePassLib/Native/NativeMethods.Unix.cs
@@ -0,0 +1,112 @@
+/*
+  KeePass Password Safe - The Open-Source Password Manager
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using System.Runtime.InteropServices;
+using System.Reflection;
+using System.Diagnostics;
+
+namespace KeePass2PCL.Native
+{
+	internal static partial class NativeMethods
+	{
+#if (!KeePassLibSD && !KeePassRT)
+		[StructLayout(LayoutKind.Sequential)]
+		private struct XClassHint
+		{
+			public IntPtr res_name;
+			public IntPtr res_class;
+		}
+
+		[DllImport("libX11")]
+		private static extern int XSetClassHint(IntPtr display, IntPtr window, IntPtr class_hints);
+
+		private static Type m_tXplatUIX11 = null;
+		private static Type GetXplatUIX11Type(bool bThrowOnError)
+		{
+			if(m_tXplatUIX11 == null)
+			{
+				// CheckState is in System.Windows.Forms
+				string strTypeCS = typeof(CheckState).AssemblyQualifiedName;
+				string strTypeX11 = strTypeCS.Replace("CheckState", "XplatUIX11");
+				m_tXplatUIX11 = Type.GetType(strTypeX11, bThrowOnError, true);
+			}
+
+			return m_tXplatUIX11;
+		}
+
+		private static Type m_tHwnd = null;
+		private static Type GetHwndType(bool bThrowOnError)
+		{
+			if(m_tHwnd == null)
+			{
+				// CheckState is in System.Windows.Forms
+				string strTypeCS = typeof(CheckState).AssemblyQualifiedName;
+				string strTypeHwnd = strTypeCS.Replace("CheckState", "Hwnd");
+				m_tHwnd = Type.GetType(strTypeHwnd, bThrowOnError, true);
+			}
+
+			return m_tHwnd;
+		}
+
+		internal static void SetWmClass(Form f, string strName, string strClass)
+		{
+			if(f == null) { Debug.Assert(false); return; }
+
+			// The following crashes under Mac OS X (SIGSEGV in native code,
+			// not just an exception), thus skip it when we're on Mac OS X;
+			// https://sourceforge.net/projects/keepass/forums/forum/329221/topic/5860588
+			if(NativeLib.GetPlatformID() == PlatformID.MacOSX) return;
+
+			try
+			{
+				Type tXplatUIX11 = GetXplatUIX11Type(true);
+				FieldInfo fiDisplayHandle = tXplatUIX11.GetField("DisplayHandle",
+					BindingFlags.NonPublic | BindingFlags.Static);
+				IntPtr hDisplay = (IntPtr)fiDisplayHandle.GetValue(null);
+
+				Type tHwnd = GetHwndType(true);
+				MethodInfo miObjectFromHandle = tHwnd.GetMethod("ObjectFromHandle",
+					BindingFlags.Public | BindingFlags.Static);
+				object oHwnd = miObjectFromHandle.Invoke(null, new object[] { f.Handle });
+
+				FieldInfo fiWholeWindow = tHwnd.GetField("whole_window",
+					BindingFlags.NonPublic | BindingFlags.Instance);
+				IntPtr hWindow = (IntPtr)fiWholeWindow.GetValue(oHwnd);
+
+				XClassHint xch = new XClassHint();
+				xch.res_name = Marshal.StringToCoTaskMemAnsi(strName ?? string.Empty);
+				xch.res_class = Marshal.StringToCoTaskMemAnsi(strClass ?? string.Empty);
+				IntPtr pXch = Marshal.AllocCoTaskMem(Marshal.SizeOf(xch));
+				Marshal.StructureToPtr(xch, pXch, false);
+
+				XSetClassHint(hDisplay, hWindow, pXch);
+
+				Marshal.FreeCoTaskMem(pXch);
+				Marshal.FreeCoTaskMem(xch.res_name);
+				Marshal.FreeCoTaskMem(xch.res_class);
+			}
+			catch(Exception) { Debug.Assert(false); }
+		}
+#endif
+	}
+}
--- a/ModernKeePassLib/Native/NativeMethods.cs
+++ b/ModernKeePassLib/Native/NativeMethods.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -21,13 +21,20 @@ using System;
 using System.Text;
 using System.Security;
 using System.Runtime.InteropServices;
+using System.IO;
+using System.Diagnostics;
+
+using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Native
 {
-	internal static class NativeMethods
+	internal static partial class NativeMethods
 	{
 		internal const int MAX_PATH = 260;

+		// internal const uint TF_SFT_SHOWNORMAL = 0x00000001;
+		// internal const uint TF_SFT_HIDDEN = 0x00000008;
+
 		/* [DllImport("KeePassNtv32.dll", EntryPoint = "TransformKey")]
 		[return: MarshalAs(UnmanagedType.Bool)]
 		private static extern bool TransformKey32(IntPtr pBuf256,
@@ -65,7 +72,7 @@ namespace ModernKeePassLib.Native
 			else
 				return TransformKeyTimed32(pBuf256, pKey256, ref puRounds, uSeconds);
 		} */
-        /*
+
 		[DllImport("KeePassLibC32.dll", EntryPoint = "TransformKey256")]
 		[return: MarshalAs(UnmanagedType.Bool)]
 		private static extern bool TransformKey32(IntPtr pBuf256,
@@ -75,7 +82,7 @@ namespace ModernKeePassLib.Native
 		[return: MarshalAs(UnmanagedType.Bool)]
 		private static extern bool TransformKey64(IntPtr pBuf256,
 			IntPtr pKey256, UInt64 uRounds);
-      
+
 		internal static bool TransformKey(IntPtr pBuf256, IntPtr pKey256,
 			UInt64 uRounds)
 		{
@@ -95,11 +102,25 @@ namespace ModernKeePassLib.Native
 		{
 			if(Marshal.SizeOf(typeof(IntPtr)) == 8)
 				return TransformKeyBenchmark64(uTimeMs);
-			else
-				return TransformKeyBenchmark32(uTimeMs);
+			return TransformKeyBenchmark32(uTimeMs);
 		}
-        */
-#if !KeePassLibSD && TODO
+
+		/* [DllImport("KeePassLibC32.dll", EntryPoint = "TF_ShowLangBar")]
+		[return: MarshalAs(UnmanagedType.Bool)]
+		private static extern bool TF_ShowLangBar32(UInt32 dwFlags);
+
+		[DllImport("KeePassLibC64.dll", EntryPoint = "TF_ShowLangBar")]
+		[return: MarshalAs(UnmanagedType.Bool)]
+		private static extern bool TF_ShowLangBar64(UInt32 dwFlags);
+
+		internal static bool TfShowLangBar(uint dwFlags)
+		{
+			if(Marshal.SizeOf(typeof(IntPtr)) == 8)
+				return TF_ShowLangBar64(dwFlags);
+			return TF_ShowLangBar32(dwFlags);
+		} */
+
+#if (!KeePassLibSD && !KeePassRT)
 		[DllImport("ShlWApi.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
 		internal static extern int StrCmpLogicalW(string x, string y);

@@ -114,7 +135,7 @@ namespace ModernKeePassLib.Native

 		private static void TestNaturalComparisonsSupport()
 		{
-#if KeePassLibSD || !TODO
+#if (KeePassLibSD || KeePassRT)
 #warning No native natural comparisons supported.
 			m_bSupportsLogicalCmp = false;
 #else
@@ -143,11 +164,36 @@ namespace ModernKeePassLib.Native
 			if(m_bSupportsLogicalCmp.HasValue == false) TestNaturalComparisonsSupport();
 			if(m_bSupportsLogicalCmp.Value == false) return 0;

-#if KeePassLibSD || !TODO
+#if (KeePassLibSD || KeePassRT)
 #warning No native natural comparisons supported.
 			return x.CompareTo(y);
 #else
 			return StrCmpLogicalW(x, y);
+#endif
+		}
+
+		internal static string GetUserRuntimeDir()
+		{
+#if !KeePassLibSD
+#if KeePassRT
+			string strRtDir = Windows.Storage.ApplicationData.Current.LocalFolder.Path;
+#else
+			string strRtDir = Environment.GetEnvironmentVariable("XDG_RUNTIME_DIR");
+			if(string.IsNullOrEmpty(strRtDir))
+				strRtDir = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+			if(string.IsNullOrEmpty(strRtDir))
+			{
+				Debug.Assert(false);
+				return Path.GetTempPath(); // Not UrlUtil (otherwise cyclic)
+			}
+#endif
+
+			strRtDir = UrlUtil.EnsureTerminatingSeparator(strRtDir, false);
+			strRtDir += PwDefs.ShortProductName;
+
+			return strRtDir;
+#else
+			return Path.GetTempPath();
 #endif
 		}
 	}
--- a/ModernKeePassLib/Properties/AssemblyInfo.cs
+++ b/ModernKeePassLib/Properties/AssemblyInfo.cs
@@ -39,5 +39,5 @@ using System.Runtime.InteropServices;
 //[assembly: Guid("395f6eec-a1e0-4438-aa82-b75099348134")]

 // Assembly version information
-[assembly: AssemblyVersion("2.19.0.*")]
-[assembly: AssemblyFileVersion("2.19.0.0")]
+[assembly: AssemblyVersion("2.36.0.*")]
+[assembly: AssemblyFileVersion("2.36.0.0")]
--- a/ModernKeePassLib/PwCustomIcon.cs
+++ b/ModernKeePassLib/PwCustomIcon.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,20 +18,18 @@
 */

 using System;
-//using System.Drawing;
-using Windows.UI.Xaml.Media.Imaging;
+using Windows.UI.Xaml.Controls;

-// Bert TODO: http://blog.tallcomponents.com/2012/06/windows-8-release-preview-back-to-earth.html
 namespace ModernKeePassLib
 {
-    /// <summary>
-    /// Custom icon. <c>PwCustomIcon</c> objects are immutable.
-    /// </summary>
-    public sealed class PwCustomIcon
+	/// <summary>
+	/// Custom icon. <c>PwCustomIcon</c> objects are immutable.
+	/// </summary>
+	public sealed class PwCustomIcon
 	{
 		private PwUuid m_pwUuid;
 		private byte[] m_pbImageDataPng;
-		private BitmapImage m_pCachedImage;
+		private Image m_pCachedImage;

 		public PwUuid Uuid
 		{
@@ -43,7 +41,7 @@ namespace ModernKeePassLib
 			get { return m_pbImageDataPng; }
 		}

-        public BitmapImage Image
+		public Image Image
 		{
 			get { return m_pCachedImage; }
 		}
@@ -52,8 +50,8 @@ namespace ModernKeePassLib
 		{
 			Debug.Assert(pwUuid != null);
 			if(pwUuid == null) throw new ArgumentNullException("pwUuid");
-			Debug.Assert(pwUuid != PwUuid.Zero);
-			if(pwUuid == PwUuid.Zero) throw new ArgumentException("pwUuid == 0");
+			Debug.Assert(!pwUuid.Equals(PwUuid.Zero));
+			if(pwUuid.Equals(PwUuid.Zero)) throw new ArgumentException("pwUuid == 0");

 			Debug.Assert(pbImageDataPng != null);
 			if(pbImageDataPng == null) throw new ArgumentNullException("pbImageDataPng");
@@ -61,10 +59,11 @@ namespace ModernKeePassLib
 			m_pwUuid = pwUuid;
 			m_pbImageDataPng = pbImageDataPng;

-#if !KeePassLibSD && false
-			MemoryStream ms = new MemoryStream(m_pbImageDataPng, false);
-			m_pCachedImage = Image.FromStream(ms);
-			ms.Close();
+#if !KeePassLibSD
+			// MemoryStream ms = new MemoryStream(m_pbImageDataPng, false);
+			// m_pCachedImage = Image.FromStream(ms);
+			// ms.Close();
+			//m_pCachedImage = GfxUtil.LoadImage(m_pbImageDataPng);
 #else
 			m_pCachedImage = null;
 #endif
--- a/ModernKeePassLib/PwDatabase.cs
+++ b/ModernKeePassLib/PwDatabase.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,27 +19,28 @@

 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
-using System.Threading.Tasks;
-using Windows.UI.Xaml.Media.Imaging;
-//using System.Drawing;
-
-using ModernKeePassLib.WinRTAdaptors;
+using Windows.UI;
+using Windows.UI.Xaml.Controls;
 using ModernKeePassLib.Collections;
+using ModernKeePassLib.Cryptography;
 using ModernKeePassLib.Cryptography.Cipher;
 using ModernKeePassLib.Delegates;
 using ModernKeePassLib.Interfaces;
 using ModernKeePassLib.Keys;
+using ModernKeePassLib.Resources;
+using ModernKeePassLib.Security;
 using ModernKeePassLib.Serialization;
 using ModernKeePassLib.Utility;

 namespace ModernKeePassLib
 {
-    /// <summary>
-    /// The core password manager class. It contains a number of groups, which
-    /// contain the actual entries.
-    /// </summary>
-    public sealed class PwDatabase
+	/// <summary>
+	/// The core password manager class. It contains a number of groups, which
+	/// contain the actual entries.
+	/// </summary>
+	public sealed class PwDatabase
 	{
 		internal const int DefaultHistoryMaxItems = 10; // -1 = unlimited
 		internal const long DefaultHistoryMaxSize = 6 * 1024 * 1024; // -1 = unlimited
@@ -67,7 +68,7 @@ namespace ModernKeePassLib
 		private string m_strDefaultUserName = string.Empty;
 		private DateTime m_dtDefaultUserChanged = PwDefs.DtDefaultNow;
 		private uint m_uMntncHistoryDays = 365;
-		private Color m_clr = Color.Empty;
+		private Color m_clr;

 		private DateTime m_dtKeyLastChanged = PwDefs.DtDefaultNow;
 		private long m_lKeyChangeRecDays = -1;
@@ -497,7 +498,7 @@ namespace ModernKeePassLib
 			m_strDefaultUserName = string.Empty;
 			m_dtDefaultUserChanged = dtNow;
 			m_uMntncHistoryDays = 365;
-			m_clr = Color.Empty;
+			m_clr = new Color();

 			m_dtKeyLastChanged = dtNow;
 			m_lKeyChangeRecDays = -1;
@@ -561,10 +562,9 @@ namespace ModernKeePassLib
 		/// <param name="ioSource">IO connection to load the database from.</param>
 		/// <param name="pwKey">Key used to open the specified database.</param>
 		/// <param name="slLogger">Logger, which gets all status messages.</param>
-		public async Task Open(IOConnectionInfo ioSource, CompositeKey pwKey,
+		public void Open(IOConnectionInfo ioSource, CompositeKey pwKey,
 			IStatusLogger slLogger)
 		{
-              
 			Debug.Assert(ioSource != null);
 			if(ioSource == null) throw new ArgumentNullException("ioSource");
 			Debug.Assert(pwKey != null);
@@ -582,17 +582,15 @@ namespace ModernKeePassLib

 				m_bModified = false;

-				Kdb4File kdb4 = new Kdb4File(this);
-				kdb4.DetachBinaries = m_strDetachBins;
+				KdbxFile kdbx = new KdbxFile(this);
+				kdbx.DetachBinaries = m_strDetachBins;

-                IOConnection ioc = new IOConnection();
-				Stream s = await ioc.OpenRead(ioSource);
-				kdb4.Load(s, Kdb4Format.Default, slLogger);
+				Stream s = IOConnection.OpenRead(ioSource);
+				kdbx.Load(s, KdbxFormat.Default, slLogger);
+				s.Dispose();

-                s.Dispose();
-
-				m_pbHashOfLastIO = kdb4.HashOfFileOnDisk;
-				m_pbHashOfFileOnDisk = kdb4.HashOfFileOnDisk;
+				m_pbHashOfLastIO = kdbx.HashOfFileOnDisk;
+				m_pbHashOfFileOnDisk = kdbx.HashOfFileOnDisk;
 				Debug.Assert(m_pbHashOfFileOnDisk != null);

 				m_bDatabaseOpened = true;
@@ -610,7 +608,7 @@ namespace ModernKeePassLib
 		/// it has been opened from.
 		/// </summary>
 		/// <param name="slLogger">Logger that recieves status information.</param>
-		public async void Save(IStatusLogger slLogger)
+		public void Save(IStatusLogger slLogger)
 		{
 			Debug.Assert(ValidateUuidUniqueness());

@@ -620,10 +618,10 @@ namespace ModernKeePassLib
 			{
 				FileTransactionEx ft = new FileTransactionEx(m_ioSource,
 					m_bUseFileTransactions);
-				Stream s = await ft.OpenWrite();
+				Stream s = ft.OpenWrite();

-				Kdb4File kdb = new Kdb4File(this);
-				kdb.Save(s, null, Kdb4Format.Default, slLogger);
+				KdbxFile kdb = new KdbxFile(this);
+				kdb.Save(s, null, KdbxFormat.Default, slLogger);

 				ft.CommitWrite();

@@ -631,8 +629,6 @@ namespace ModernKeePassLib
 				m_pbHashOfFileOnDisk = kdb.HashOfFileOnDisk;
 				Debug.Assert(m_pbHashOfFileOnDisk != null);
 			}
-            catch (Exception ex)
-            { }
 			finally { if(fl != null) fl.Dispose(); }

 			m_bModified = false;
@@ -688,15 +684,15 @@ namespace ModernKeePassLib
 			Clear();
 		}

-		public void MergeIn(PwDatabase pwSource, PwMergeMethod mm)
+		public void MergeIn(PwDatabase pdSource, PwMergeMethod mm)
 		{
-			MergeIn(pwSource, mm, null);
+			MergeIn(pdSource, mm, null);
 		}

 		/// <summary>
 		/// Synchronize the current database with another one.
 		/// </summary>
-		/// <param name="pwSource">Input database to synchronize with. This input
+		/// <param name="pdSource">Input database to synchronize with. This input
 		/// database is used to update the current one, but is not modified! You
 		/// must copy the current object if you want a second instance of the
 		/// synchronized database. The input database must not be seen as valid
@@ -704,27 +700,38 @@ namespace ModernKeePassLib
 		/// <param name="mm">Merge method.</param>
 		/// <param name="slStatus">Logger to report status messages to.
 		/// May be <c>null</c>.</param>
-		public void MergeIn(PwDatabase pwSource, PwMergeMethod mm,
+		public void MergeIn(PwDatabase pdSource, PwMergeMethod mm,
 			IStatusLogger slStatus)
 		{
-			if(pwSource == null) throw new ArgumentNullException("pwSource");
+			if(pdSource == null) throw new ArgumentNullException("pdSource");

 			PwGroup pgOrgStructure = m_pgRootGroup.CloneStructure();
-			PwGroup pgSrcStructure = pwSource.m_pgRootGroup.CloneStructure();
+			PwGroup pgSrcStructure = pdSource.m_pgRootGroup.CloneStructure();

 			if(mm == PwMergeMethod.CreateNewUuids)
-				pwSource.RootGroup.CreateNewItemUuids(true, true, true);
+			{
+				pdSource.RootGroup.CreateNewItemUuids(true, true, true);
+				pdSource.RootGroup.Uuid = new PwUuid(true);
+			}

 			GroupHandler gh = delegate(PwGroup pg)
 			{
-				if(pg == pwSource.m_pgRootGroup) return true;
+				// if(pg == pdSource.m_pgRootGroup) return true;

 				PwGroup pgLocal = m_pgRootGroup.FindGroup(pg.Uuid, true);
 				if(pgLocal == null)
 				{
 					PwGroup pgSourceParent = pg.ParentGroup;
 					PwGroup pgLocalContainer;
-					if(pgSourceParent == pwSource.m_pgRootGroup)
+					if(pgSourceParent == null)
+					{
+						// pg is the root group of pdSource, and no corresponding
+						// local group was found; create the group within the
+						// local root group
+						Debug.Assert(pg == pdSource.m_pgRootGroup);
+						pgLocalContainer = m_pgRootGroup;
+					}
+					else if(pgSourceParent == pdSource.m_pgRootGroup)
 						pgLocalContainer = m_pgRootGroup;
 					else
 						pgLocalContainer = m_pgRootGroup.FindGroup(pgSourceParent.Uuid, true);
@@ -760,7 +767,7 @@ namespace ModernKeePassLib
 				{
 					PwGroup pgSourceParent = pe.ParentGroup;
 					PwGroup pgLocalContainer;
-					if(pgSourceParent == pwSource.m_pgRootGroup)
+					if(pgSourceParent == pdSource.m_pgRootGroup)
 						pgLocalContainer = m_pgRootGroup;
 					else
 						pgLocalContainer = m_pgRootGroup.FindGroup(pgSourceParent.Uuid, true);
@@ -783,12 +790,12 @@ namespace ModernKeePassLib

 					bool bOrgBackup = !bEquals;
 					if(mm != PwMergeMethod.OverwriteExisting)
-						bOrgBackup &= (pe.LastModificationTime > peLocal.LastModificationTime);
+						bOrgBackup &= (TimeUtil.CompareLastMod(pe, peLocal, true) > 0);
 					bOrgBackup &= !pe.HasBackupOfData(peLocal, false, true);
 					if(bOrgBackup) peLocal.CreateBackup(null); // Maintain at end

 					bool bSrcBackup = !bEquals && (mm != PwMergeMethod.OverwriteExisting);
-					bSrcBackup &= (peLocal.LastModificationTime > pe.LastModificationTime);
+					bSrcBackup &= (TimeUtil.CompareLastMod(peLocal, pe, true) > 0);
 					bSrcBackup &= !peLocal.HasBackupOfData(pe, false, true);
 					if(bSrcBackup) pe.CreateBackup(null); // Maintain at end

@@ -807,7 +814,8 @@ namespace ModernKeePassLib
 				return ((slStatus != null) ? slStatus.ContinueWork() : true);
 			};

-			if(!pwSource.RootGroup.TraverseTree(TraversalMethod.PreOrder, gh, eh))
+			gh(pdSource.RootGroup);
+			if(!pdSource.RootGroup.TraverseTree(TraversalMethod.PreOrder, gh, eh))
 				throw new InvalidOperationException();

 			IStatusLogger slPrevStatus = m_slStatus;
@@ -815,7 +823,7 @@ namespace ModernKeePassLib

 			if(mm == PwMergeMethod.Synchronize)
 			{
-				ApplyDeletions(pwSource.m_vDeletedObjects, true);
+				ApplyDeletions(pdSource.m_vDeletedObjects, true);
 				ApplyDeletions(m_vDeletedObjects, false);

 				PwObjectPool ppOrgGroups = PwObjectPool.FromGroupRecursive(
@@ -836,18 +844,18 @@ namespace ModernKeePassLib

 			// Must be called *after* merging groups, because group UUIDs
 			// are required for recycle bin and entry template UUIDs
-			MergeInDbProperties(pwSource, mm);
+			MergeInDbProperties(pdSource, mm);

-			MergeInCustomIcons(pwSource);
+			MergeInCustomIcons(pdSource);

 			MaintainBackups();

 			m_slStatus = slPrevStatus;
 		}

-		private void MergeInCustomIcons(PwDatabase pwSource)
+		private void MergeInCustomIcons(PwDatabase pdSource)
 		{
-			foreach(PwCustomIcon pwci in pwSource.CustomIcons)
+			foreach(PwCustomIcon pwci in pdSource.CustomIcons)
 			{
 				if(GetCustomIconIndex(pwci.Uuid) >= 0) continue;

@@ -856,10 +864,6 @@ namespace ModernKeePassLib
 			}
 		}

-		/// <summary>
-		/// Apply a list of deleted objects.
-		/// </summary>
-		/// <param name="listDelObjects">List of deleted objects.</param>
 		private void ApplyDeletions(PwObjectList<PwDeletedObject> listDelObjects,
 			bool bCopyDeletionInfoToLocal)
 		{
@@ -874,9 +878,12 @@ namespace ModernKeePassLib

 				foreach(PwDeletedObject pdo in listDelObjects)
 				{
-					if(pg.Uuid.EqualsValue(pdo.Uuid))
-						if(pg.LastModificationTime < pdo.DeletionTime)
+					if(pg.Uuid.Equals(pdo.Uuid))
+					{
+						if(TimeUtil.Compare(pg.LastModificationTime,
+							pdo.DeletionTime, true) < 0)
 							listGroupsToDelete.AddLast(pg);
+					}
 				}

 				return ((m_slStatus != null) ? m_slStatus.ContinueWork() : true);
@@ -886,9 +893,12 @@ namespace ModernKeePassLib
 			{
 				foreach(PwDeletedObject pdo in listDelObjects)
 				{
-					if(pe.Uuid.EqualsValue(pdo.Uuid))
-						if(pe.LastModificationTime < pdo.DeletionTime)
+					if(pe.Uuid.Equals(pdo.Uuid))
+					{
+						if(TimeUtil.Compare(pe.LastModificationTime,
+							pdo.DeletionTime, true) < 0)
 							listEntriesToDelete.AddLast(pe);
+					}
 				}

 				return ((m_slStatus != null) ? m_slStatus.ContinueWork() : true);
@@ -909,7 +919,7 @@ namespace ModernKeePassLib

 					foreach(PwDeletedObject pdoLocal in m_vDeletedObjects)
 					{
-						if(pdoNew.Uuid.EqualsValue(pdoLocal.Uuid))
+						if(pdoNew.Uuid.Equals(pdoLocal.Uuid))
 						{
 							bCopy = false;

@@ -942,8 +952,15 @@ namespace ModernKeePassLib
 				if(ptSrc == null) continue;

 				PwGroup pgOrgParent = ptOrg.ParentGroup;
+				// vGroups does not contain the root group, thus pgOrgParent
+				// should not be null
+				if(pgOrgParent == null) { Debug.Assert(false); continue; }
+
 				PwGroup pgSrcParent = ptSrc.ParentGroup;
-				if(pgOrgParent.Uuid.EqualsValue(pgSrcParent.Uuid))
+				// pgSrcParent may be null (for the source root group)
+				if(pgSrcParent == null) continue;
+
+				if(pgOrgParent.Uuid.Equals(pgSrcParent.Uuid))
 				{
 					pg.LocationChanged = ((ptSrc.LocationChanged > ptOrg.LocationChanged) ?
 						ptSrc.LocationChanged : ptOrg.LocationChanged);
@@ -963,7 +980,7 @@ namespace ModernKeePassLib
 				}
 				else
 				{
-					Debug.Assert(pg.ParentGroup.Uuid.EqualsValue(pgOrgParent.Uuid));
+					Debug.Assert(pg.ParentGroup.Uuid.Equals(pgOrgParent.Uuid));
 					Debug.Assert(pg.LocationChanged == ptOrg.LocationChanged);
 				}
 			}
@@ -989,7 +1006,7 @@ namespace ModernKeePassLib

 				PwGroup pgOrg = ptOrg.ParentGroup;
 				PwGroup pgSrc = ptSrc.ParentGroup;
-				if(pgOrg.Uuid.EqualsValue(pgSrc.Uuid))
+				if(pgOrg.Uuid.Equals(pgSrc.Uuid))
 				{
 					pe.LocationChanged = ((ptSrc.LocationChanged > ptOrg.LocationChanged) ?
 						ptSrc.LocationChanged : ptOrg.LocationChanged);
@@ -1007,7 +1024,7 @@ namespace ModernKeePassLib
 				}
 				else
 				{
-					Debug.Assert(pe.ParentGroup.Uuid.EqualsValue(pgOrg.Uuid));
+					Debug.Assert(pe.ParentGroup.Uuid.Equals(pgOrg.Uuid));
 					Debug.Assert(pe.LocationChanged == ptOrg.LocationChanged);
 				}
 			}
@@ -1084,7 +1101,7 @@ namespace ModernKeePassLib
 					bool bAdded = false;
 					foreach(PwUuid puBefore in qRelBefore)
 					{
-						if(puBefore.EqualsValue(pt.Uuid))
+						if(puBefore.Equals(pt.Uuid))
 						{
 							qBefore.Enqueue(pt);
 							bAdded = true;
@@ -1095,7 +1112,7 @@ namespace ModernKeePassLib

 					foreach(PwUuid puAfter in qRelAfter)
 					{
-						if(puAfter.EqualsValue(pt.Uuid))
+						if(puAfter.Equals(pt.Uuid))
 						{
 							qAfter.Enqueue(pt);
 							bAdded = true;
@@ -1159,7 +1176,16 @@ namespace ModernKeePassLib
 				{
 					uPosMax = u;
 					dtMax = ptOrg.LocationChanged; // No 'continue'
-					vNeighborSrc = ptOrg.ParentGroup.GetObjects(false, bEntries);
+
+					PwGroup pgParent = ptOrg.ParentGroup;
+					if(pgParent != null)
+						vNeighborSrc = pgParent.GetObjects(false, bEntries);
+					else
+					{
+						Debug.Assert(false); // Org root should be excluded
+						vNeighborSrc = new List<IStructureItem>();
+						vNeighborSrc.Add(ptOrg);
+					}
 				}

 				// IStructureItem ptSrc = pgSrcStructure.FindObject(pt.Uuid, true, bEntries);
@@ -1168,7 +1194,16 @@ namespace ModernKeePassLib
 				{
 					uPosMax = u;
 					dtMax = ptSrc.LocationChanged; // No 'continue'
-					vNeighborSrc = ptSrc.ParentGroup.GetObjects(false, bEntries);
+
+					PwGroup pgParent = ptSrc.ParentGroup;
+					if(pgParent != null)
+						vNeighborSrc = pgParent.GetObjects(false, bEntries);
+					else
+					{
+						// pgParent may be null (for the source root group)
+						vNeighborSrc = new List<IStructureItem>();
+						vNeighborSrc.Add(ptSrc);
+					}
 				}
 			}

@@ -1190,7 +1225,7 @@ namespace ModernKeePassLib
 			{
 				PwUuid pw = vItems[i].Uuid;

-				if(pw.EqualsValue(pwPivot)) bBefore = false;
+				if(pw.Equals(pwPivot)) bBefore = false;
 				else if(bBefore) qBefore.Enqueue(pw);
 				else qAfter.Enqueue(pw);
 			}
@@ -1226,8 +1261,8 @@ namespace ModernKeePassLib
 			PwGroup pgSrcParent = ptSrc.ParentGroup;
 			if(pgSrcParent == null) return true; // Root might be in tree

-			if(!ptFirst.ParentGroup.Uuid.EqualsValue(pgOrgParent.Uuid)) return true;
-			if(!pgOrgParent.Uuid.EqualsValue(pgSrcParent.Uuid)) return true;
+			if(!ptFirst.ParentGroup.Uuid.Equals(pgOrgParent.Uuid)) return true;
+			if(!pgOrgParent.Uuid.Equals(pgSrcParent.Uuid)) return true;

 			List<IStructureItem> lOrg = pgOrgParent.GetObjects(false, bEntries);
 			List<IStructureItem> lSrc = pgSrcParent.GetObjects(false, bEntries);
@@ -1239,8 +1274,8 @@ namespace ModernKeePassLib
 				IStructureItem pt = vItems.GetAt(u);
 				Debug.Assert(pt.ParentGroup == ptFirst.ParentGroup);

-				if(!pt.Uuid.EqualsValue(lOrg[(int)u].Uuid)) return true;
-				if(!pt.Uuid.EqualsValue(lSrc[(int)u].Uuid)) return true;
+				if(!pt.Uuid.Equals(lOrg[(int)u].Uuid)) return true;
+				if(!pt.Uuid.Equals(lSrc[(int)u].Uuid)) return true;
 				if(pt.LocationChanged != lOrg[(int)u].LocationChanged) return true;
 				if(pt.LocationChanged != lSrc[(int)u].LocationChanged) return true;
 			}
@@ -1248,41 +1283,41 @@ namespace ModernKeePassLib
 			return false;
 		}

-		private void MergeInDbProperties(PwDatabase pwSource, PwMergeMethod mm)
+		private void MergeInDbProperties(PwDatabase pdSource, PwMergeMethod mm)
 		{
-			if(pwSource == null) { Debug.Assert(false); return; }
+			if(pdSource == null) { Debug.Assert(false); return; }
 			if((mm == PwMergeMethod.KeepExisting) || (mm == PwMergeMethod.None))
 				return;

 			bool bForce = (mm == PwMergeMethod.OverwriteExisting);

-			if(bForce || (pwSource.m_dtNameChanged > m_dtNameChanged))
+			if(bForce || (pdSource.m_dtNameChanged > m_dtNameChanged))
 			{
-				m_strName = pwSource.m_strName;
-				m_dtNameChanged = pwSource.m_dtNameChanged;
+				m_strName = pdSource.m_strName;
+				m_dtNameChanged = pdSource.m_dtNameChanged;
 			}

-			if(bForce || (pwSource.m_dtDescChanged > m_dtDescChanged))
+			if(bForce || (pdSource.m_dtDescChanged > m_dtDescChanged))
 			{
-				m_strDesc = pwSource.m_strDesc;
-				m_dtDescChanged = pwSource.m_dtDescChanged;
+				m_strDesc = pdSource.m_strDesc;
+				m_dtDescChanged = pdSource.m_dtDescChanged;
 			}

-			if(bForce || (pwSource.m_dtDefaultUserChanged > m_dtDefaultUserChanged))
+			if(bForce || (pdSource.m_dtDefaultUserChanged > m_dtDefaultUserChanged))
 			{
-				m_strDefaultUserName = pwSource.m_strDefaultUserName;
-				m_dtDefaultUserChanged = pwSource.m_dtDefaultUserChanged;
+				m_strDefaultUserName = pdSource.m_strDefaultUserName;
+				m_dtDefaultUserChanged = pdSource.m_dtDefaultUserChanged;
 			}

-			if(bForce) m_clr = pwSource.m_clr;
+			if(bForce) m_clr = pdSource.m_clr;

-			PwUuid pwPrefBin = m_pwRecycleBin, pwAltBin = pwSource.m_pwRecycleBin;
-			if(bForce || (pwSource.m_dtRecycleBinChanged > m_dtRecycleBinChanged))
+			PwUuid pwPrefBin = m_pwRecycleBin, pwAltBin = pdSource.m_pwRecycleBin;
+			if(bForce || (pdSource.m_dtRecycleBinChanged > m_dtRecycleBinChanged))
 			{
-				pwPrefBin = pwSource.m_pwRecycleBin;
+				pwPrefBin = pdSource.m_pwRecycleBin;
 				pwAltBin = m_pwRecycleBin;
-				m_bUseRecycleBin = pwSource.m_bUseRecycleBin;
-				m_dtRecycleBinChanged = pwSource.m_dtRecycleBinChanged;
+				m_bUseRecycleBin = pdSource.m_bUseRecycleBin;
+				m_dtRecycleBinChanged = pdSource.m_dtRecycleBinChanged;
 			}
 			if(m_pgRootGroup.FindGroup(pwPrefBin, true) != null)
 				m_pwRecycleBin = pwPrefBin;
@@ -1290,12 +1325,12 @@ namespace ModernKeePassLib
 				m_pwRecycleBin = pwAltBin;
 			else m_pwRecycleBin = PwUuid.Zero; // Debug.Assert(false);

-			PwUuid pwPrefTmp = m_pwEntryTemplatesGroup, pwAltTmp = pwSource.m_pwEntryTemplatesGroup;
-			if(bForce || (pwSource.m_dtEntryTemplatesChanged > m_dtEntryTemplatesChanged))
+			PwUuid pwPrefTmp = m_pwEntryTemplatesGroup, pwAltTmp = pdSource.m_pwEntryTemplatesGroup;
+			if(bForce || (pdSource.m_dtEntryTemplatesChanged > m_dtEntryTemplatesChanged))
 			{
-				pwPrefTmp = pwSource.m_pwEntryTemplatesGroup;
+				pwPrefTmp = pdSource.m_pwEntryTemplatesGroup;
 				pwAltTmp = m_pwEntryTemplatesGroup;
-				m_dtEntryTemplatesChanged = pwSource.m_dtEntryTemplatesChanged;
+				m_dtEntryTemplatesChanged = pdSource.m_dtEntryTemplatesChanged;
 			}
 			if(m_pgRootGroup.FindGroup(pwPrefTmp, true) != null)
 				m_pwEntryTemplatesGroup = pwPrefTmp;
@@ -1307,10 +1342,7 @@ namespace ModernKeePassLib
 		private void MergeEntryHistory(PwEntry pe, PwEntry peSource,
 			PwMergeMethod mm)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return ;
-#if TODO
-			if(!pe.Uuid.EqualsValue(peSource.Uuid)) { Debug.Assert(false); return; }
+			if(!pe.Uuid.Equals(peSource.Uuid)) { Debug.Assert(false); return; }

 			if(pe.History.UCount == peSource.History.UCount)
 			{
@@ -1330,31 +1362,35 @@ namespace ModernKeePassLib

 			if((m_slStatus != null) && !m_slStatus.ContinueWork()) return;

-			SortedList<DateTime, PwEntry> list = new SortedList<DateTime, PwEntry>();
+			IDictionary<DateTime, PwEntry> dict =
+#if KeePassLibSD
+				new SortedList<DateTime, PwEntry>();
+#else
+				new SortedDictionary<DateTime, PwEntry>();
+#endif
 			foreach(PwEntry peOrg in pe.History)
 			{
-				list[peOrg.LastModificationTime] = peOrg;
+				dict[peOrg.LastModificationTime] = peOrg;
 			}

 			foreach(PwEntry peSrc in peSource.History)
 			{
 				DateTime dt = peSrc.LastModificationTime;
-				if(list.ContainsKey(dt))
+				if(dict.ContainsKey(dt))
 				{
 					if(mm == PwMergeMethod.OverwriteExisting)
-						list[dt] = peSrc.CloneDeep();
+						dict[dt] = peSrc.CloneDeep();
 				}
-				else list[dt] = peSrc.CloneDeep();
+				else dict[dt] = peSrc.CloneDeep();
 			}

 			pe.History.Clear();
-			foreach(KeyValuePair<DateTime, PwEntry> kvpCur in list)
+			foreach(KeyValuePair<DateTime, PwEntry> kvpCur in dict)
 			{
-				Debug.Assert(kvpCur.Value.Uuid.EqualsValue(pe.Uuid));
+				Debug.Assert(kvpCur.Value.Uuid.Equals(pe.Uuid));
 				Debug.Assert(kvpCur.Value.History.UCount == 0);
 				pe.History.Add(kvpCur.Value);
 			}
-#endif
 		}

 		public bool MaintainBackups()
@@ -1378,12 +1414,12 @@ namespace ModernKeePassLib
 		/// <param name="strFile">Source file.</param>
 		public void Synchronize(string strFile)
 		{
-			PwDatabase pwSource = new PwDatabase();
+			PwDatabase pdSource = new PwDatabase();

 			IOConnectionInfo ioc = IOConnectionInfo.FromPath(strFile);
-			pwSource.Open(ioc, m_pwUserKey, null);
+			pdSource.Open(ioc, m_pwUserKey, null);

-			MergeIn(pwSource, PwMergeMethod.Synchronize);
+			MergeIn(pdSource, PwMergeMethod.Synchronize);
 		} */

 		/// <summary>
@@ -1393,32 +1429,50 @@ namespace ModernKeePassLib
 		/// <returns>Index of the icon.</returns>
 		public int GetCustomIconIndex(PwUuid pwIconId)
 		{
-			int nIndex = 0;
-
-			foreach(PwCustomIcon pwci in m_vCustomIcons)
+			for(int i = 0; i < m_vCustomIcons.Count; ++i)
 			{
-				if(pwci.Uuid.EqualsValue(pwIconId))
-					return nIndex;
-
-				++nIndex;
+				PwCustomIcon pwci = m_vCustomIcons[i];
+				if(pwci.Uuid.Equals(pwIconId))
+					return i;
 			}

 			// Debug.Assert(false); // Do not assert
 			return -1;
 		}

+		public int GetCustomIconIndex(byte[] pbPngData)
+		{
+			if(pbPngData == null) { Debug.Assert(false); return -1; }
+
+			for(int i = 0; i < m_vCustomIcons.Count; ++i)
+			{
+				PwCustomIcon pwci = m_vCustomIcons[i];
+				byte[] pbEx = pwci.ImageDataPng;
+				if(pbEx == null) { Debug.Assert(false); continue; }
+
+				if(MemUtil.ArraysEqual(pbEx, pbPngData))
+					return i;
+			}
+
+			return -1;
+		}
+
 		/// <summary>
 		/// Get a custom icon. This function can return <c>null</c>, if
 		/// no cached image of the icon is available.
 		/// </summary>
 		/// <param name="pwIconId">ID of the icon.</param>
 		/// <returns>Image data.</returns>
-        public BitmapImage GetCustomIcon(PwUuid pwIconId)
+		public Image GetCustomIcon(PwUuid pwIconId)
 		{
-			int nIndex = GetCustomIconIndex(pwIconId);
+#if PCL
+		    return null;
+#else
+            int nIndex = GetCustomIconIndex(pwIconId);

 			if(nIndex >= 0) return m_vCustomIcons[nIndex].Image;
 			else { Debug.Assert(false); return null; }
+#endif
 		}

 		public bool DeleteCustomIcons(List<PwUuid> vUuidsToDelete)
@@ -1430,11 +1484,11 @@ namespace ModernKeePassLib
 			GroupHandler gh = delegate(PwGroup pg)
 			{
 				PwUuid uuidThis = pg.CustomIconUuid;
-				if(uuidThis.EqualsValue(PwUuid.Zero)) return true;
+				if(uuidThis.Equals(PwUuid.Zero)) return true;

 				foreach(PwUuid uuidDelete in vUuidsToDelete)
 				{
-					if(uuidThis.EqualsValue(uuidDelete))
+					if(uuidThis.Equals(uuidDelete))
 					{
 						pg.CustomIconUuid = PwUuid.Zero;
 						break;
@@ -1469,11 +1523,11 @@ namespace ModernKeePassLib
 		private static void RemoveCustomIconUuid(PwEntry pe, List<PwUuid> vToDelete)
 		{
 			PwUuid uuidThis = pe.CustomIconUuid;
-			if(uuidThis.EqualsValue(PwUuid.Zero)) return;
+			if(uuidThis.Equals(PwUuid.Zero)) return;

 			foreach(PwUuid uuidDelete in vToDelete)
 			{
-				if(uuidThis.EqualsValue(uuidDelete))
+				if(uuidThis.Equals(uuidDelete))
 				{
 					pe.CustomIconUuid = PwUuid.Zero;
 					break;
@@ -1493,7 +1547,7 @@ namespace ModernKeePassLib
 			GroupHandler gh = delegate(PwGroup pg)
 			{
 				foreach(PwUuid u in l)
-					bAllUnique &= !pg.Uuid.EqualsValue(u);
+					bAllUnique &= !pg.Uuid.Equals(u);
 				l.Add(pg.Uuid);
 				return bAllUnique;
 			};
@@ -1501,7 +1555,7 @@ namespace ModernKeePassLib
 			EntryHandler eh = delegate(PwEntry pe)
 			{
 				foreach(PwUuid u in l)
-					bAllUnique &= !pe.Uuid.EqualsValue(u);
+					bAllUnique &= !pe.Uuid.Equals(u);
 				l.Add(pe.Uuid);
 				return bAllUnique;
 			};
@@ -1599,7 +1653,7 @@ namespace ModernKeePassLib
 					PwEntry peB = l.GetAt(j);
 					if(!DupEntriesEqual(peA, peB)) continue;

-					bool bDeleteA = (peA.LastModificationTime <= peB.LastModificationTime);
+					bool bDeleteA = (TimeUtil.CompareLastMod(peA, peB, true) <= 0);
 					if(pgRecycleBin != null)
 					{
 						bool bAInBin = peA.IsContainedIn(pgRecycleBin);
@@ -1638,10 +1692,6 @@ namespace ModernKeePassLib
 		private static List<string> m_lStdFields = null;
 		private static bool DupEntriesEqual(PwEntry a, PwEntry b)
 		{
-            
-            Debug.Assert(false, "not yet implemented");
-            return true;
-#if TODO
 			if(m_lStdFields == null) m_lStdFields = PwDefs.GetStandardFields();

 			foreach(string strStdKey in m_lStdFields)
@@ -1689,7 +1739,6 @@ namespace ModernKeePassLib
 			}

 			return true;
-#endif
 		}

 		public uint DeleteEmptyGroups()
@@ -1721,11 +1770,11 @@ namespace ModernKeePassLib
 			GroupHandler gh = delegate(PwGroup pg)
 			{
 				PwUuid pwUuid = pg.CustomIconUuid;
-				if((pwUuid == null) || pwUuid.EqualsValue(PwUuid.Zero)) return true;
+				if((pwUuid == null) || pwUuid.Equals(PwUuid.Zero)) return true;

 				for(int i = 0; i < lToDelete.Count; ++i)
 				{
-					if(lToDelete[i].EqualsValue(pwUuid))
+					if(lToDelete[i].Equals(pwUuid))
 					{
 						lToDelete.RemoveAt(i);
 						break;
@@ -1738,11 +1787,11 @@ namespace ModernKeePassLib
 			EntryHandler eh = delegate(PwEntry pe)
 			{
 				PwUuid pwUuid = pe.CustomIconUuid;
-				if((pwUuid == null) || pwUuid.EqualsValue(PwUuid.Zero)) return true;
+				if((pwUuid == null) || pwUuid.Equals(PwUuid.Zero)) return true;

 				for(int i = 0; i < lToDelete.Count; ++i)
 				{
-					if(lToDelete[i].EqualsValue(pwUuid))
+					if(lToDelete[i].Equals(pwUuid))
 					{
 						lToDelete.RemoveAt(i);
 						break;
--- a/ModernKeePassLib/PwDefs.cs
+++ b/ModernKeePassLib/PwDefs.cs
@@ -1,6 +1,6 @@
-/*
+/*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -25,6 +25,7 @@ using System.Diagnostics;

 using ModernKeePassLib.Delegates;
 using ModernKeePassLib.Interfaces;
+using ModernKeePassLib.Serialization;

 namespace ModernKeePassLib
 {
@@ -44,6 +45,9 @@ namespace ModernKeePassLib
 		/// </summary>
 		public const string ShortProductName = "KeePass";

+		internal const string UnixName = "keepass2";
+		internal const string ResClass = "KeePass2"; // With initial capital
+
 		/// <summary>
 		/// Version, encoded as 32-bit unsigned integer.
 		/// 2.00 = 0x02000000, 2.01 = 0x02000100, ..., 2.18 = 0x02010800.
@@ -51,20 +55,20 @@ namespace ModernKeePassLib
 		/// e.g. 2.19 = 0x02130000.
 		/// It is highly recommended to use <c>FileVersion64</c> instead.
 		/// </summary>
-		public const uint Version32 = 0x02130000;
+		public const uint Version32 = 0x021C0000;

 		/// <summary>
 		/// Version, encoded as 64-bit unsigned integer
 		/// (component-wise, 16 bits per component).
 		/// </summary>
-		public const ulong FileVersion64 = 0x0002001300000000UL;
+		public const ulong FileVersion64 = 0x0002001C00000000UL;

 		/// <summary>
 		/// Version, encoded as string.
 		/// </summary>
-		public const string VersionString = "2.19";
+		public const string VersionString = "2.28";

-		public const string Copyright = @"Copyright <EFBFBD> 2003-2012 Dominik Reichl";
+		public const string Copyright = @"Copyright © 2003-2014 Dominik Reichl";

 		/// <summary>
 		/// Product website URL. Terminated by a forward slash.
@@ -216,7 +220,7 @@ namespace ModernKeePassLib
 		}
 	}

-	#pragma warning disable 1591 // Missing XML comments warning
+	// #pragma warning disable 1591 // Missing XML comments warning
 	/// <summary>
 	/// Search parameters for group and entry searches.
 	/// </summary>
@@ -314,10 +318,11 @@ namespace ModernKeePassLib
 			set { m_bSearchInTags = value; }
 		}

-
-        //Bert TODO: Check if using CurrentCultureIgnoreCase makes sense.
-        private StringComparison m_scType = StringComparison.CurrentCultureIgnoreCase;
-        //private StringComparison m_scType = StringComparison.InvariantCultureIgnoreCase;
+#if PCL || KeePassRT
+		private StringComparison m_scType = StringComparison.OrdinalIgnoreCase;
+#else
+		private StringComparison m_scType = StringComparison.InvariantCultureIgnoreCase;
+#endif
 		/// <summary>
 		/// String comparison type. Specifies the condition when the specified
 		/// text matches a group/entry string.
@@ -405,9 +410,9 @@ namespace ModernKeePassLib
 			return (SearchParameters)this.MemberwiseClone();
 		}
 	}
-	#pragma warning restore 1591 // Missing XML comments warning
+	// #pragma warning restore 1591 // Missing XML comments warning

-	#pragma warning disable 1591 // Missing XML comments warning
+	// #pragma warning disable 1591 // Missing XML comments warning
 	/// <summary>
 	/// Memory protection configuration structure (for default fields).
 	/// </summary>
@@ -437,7 +442,7 @@ namespace ModernKeePassLib
 			return false;
 		}
 	}
-	#pragma warning restore 1591 // Missing XML comments warning
+	// #pragma warning restore 1591 // Missing XML comments warning

 	public sealed class ObjectTouchedEventArgs : EventArgs
 	{
@@ -458,4 +463,24 @@ namespace ModernKeePassLib
 			m_bParentsTouched = bParentsTouched;
 		}
 	}
+
+	public sealed class IOAccessEventArgs : EventArgs
+	{
+		private IOConnectionInfo m_ioc;
+		public IOConnectionInfo IOConnectionInfo { get { return m_ioc; } }
+
+		private IOConnectionInfo m_ioc2;
+		public IOConnectionInfo IOConnectionInfo2 { get { return m_ioc2; } }
+
+		private IOAccessType m_t;
+		public IOAccessType Type { get { return m_t; } }
+
+		public IOAccessEventArgs(IOConnectionInfo ioc, IOConnectionInfo ioc2,
+			IOAccessType t)
+		{
+			m_ioc = ioc;
+			m_ioc2 = ioc2;
+			m_t = t;
+		}
+	}
 }
--- a/ModernKeePassLib/PwDeletedObject.cs
+++ b/ModernKeePassLib/PwDeletedObject.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/PwEntry.cs
+++ b/ModernKeePassLib/PwEntry.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,7 +19,9 @@

 using System;
 using System.Collections.Generic;
-
+using System.Diagnostics;
+using System.Xml;
+using Windows.UI;
 using ModernKeePassLib.Collections;
 using ModernKeePassLib.Interfaces;
 using ModernKeePassLib.Security;
@@ -27,12 +29,12 @@ using ModernKeePassLib.Utility;

 namespace ModernKeePassLib
 {
-    /// <summary>
-    /// A class representing a password entry. A password entry consists of several
-    /// fields like title, user name, password, etc. Each password entry has a
-    /// unique ID (UUID).
-    /// </summary>
-    public sealed class PwEntry : ITimeLogger, IStructureItem, IDeepCloneable<PwEntry>
+	/// <summary>
+	/// A class representing a password entry. A password entry consists of several
+	/// fields like title, user name, password, etc. Each password entry has a
+	/// unique ID (UUID).
+	/// </summary>
+	public sealed class PwEntry : ITimeLogger, IStructureItem, IDeepCloneable<PwEntry>
 	{
 		private PwUuid m_uuid = PwUuid.Zero;
 		private PwGroup m_pParentGroup = null;
@@ -46,9 +48,8 @@ namespace ModernKeePassLib
 		private PwIcon m_pwIcon = PwIcon.Key;
 		private PwUuid m_pwCustomIconID = PwUuid.Zero;

-        private WinRTAdaptors.Color m_clrForeground = WinRTAdaptors.Color.Empty;
-        private WinRTAdaptors.Color m_clrBackground = WinRTAdaptors.Color.Empty;
-
+		private Color m_clrForeground;
+		private Color m_clrBackground;

 		private DateTime m_tCreation = PwDefs.DtDefaultNow;
 		private DateTime m_tLastMod = PwDefs.DtDefaultNow;
@@ -81,7 +82,7 @@ namespace ModernKeePassLib
 		{
 			get { return m_pParentGroup; }

-			/// Plugins: use <c>PwGroup.AddEntry</c> instead.
+			// Plugins: use <c>PwGroup.AddEntry</c> instead.
 			internal set { m_pParentGroup = value; }
 		}

@@ -173,7 +174,7 @@ namespace ModernKeePassLib
 		/// <summary>
 		/// Get or set the foreground color of this entry.
 		/// </summary>
-        public WinRTAdaptors.Color ForegroundColor
+		public Color ForegroundColor
 		{
 			get { return m_clrForeground; }
 			set { m_clrForeground = value; }
@@ -182,7 +183,7 @@ namespace ModernKeePassLib
 		/// <summary>
 		/// Get or set the background color of this entry.
 		/// </summary>
-        public WinRTAdaptors.Color BackgroundColor
+		public Color BackgroundColor
 		{
 			get { return m_clrBackground; }
 			set { m_clrBackground = value; }
@@ -197,15 +198,6 @@ namespace ModernKeePassLib
 			set { m_tCreation = value; }
 		}

-		/// <summary>
-		/// The date/time when this entry was last accessed (read).
-		/// </summary>
-		public DateTime LastAccessTime
-		{
-			get { return m_tLastAccess; }
-			set { m_tLastAccess = value; }
-		}
-
 		/// <summary>
 		/// The date/time when this entry was last modified.
 		/// </summary>
@@ -215,6 +207,15 @@ namespace ModernKeePassLib
 			set { m_tLastMod = value; }
 		}

+		/// <summary>
+		/// The date/time when this entry was last accessed (read).
+		/// </summary>
+		public DateTime LastAccessTime
+		{
+			get { return m_tLastAccess; }
+			set { m_tLastAccess = value; }
+		}
+
 		/// <summary>
 		/// The date/time when this entry expires. Use the <c>Expires</c> property
 		/// to specify if the entry does actually expire or not.
@@ -402,10 +403,6 @@ namespace ModernKeePassLib
 		public bool EqualsEntry(PwEntry pe, PwCompareOptions pwOpt,
 			MemProtCmpMode mpCmpStr)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return false;
-#if TODO
-
 			if(pe == null) { Debug.Assert(false); return false; }

 			bool bNeEqStd = ((pwOpt & PwCompareOptions.NullEmptyEquivStd) !=
@@ -415,7 +412,7 @@ namespace ModernKeePassLib
 			bool bIgnoreLastMod = ((pwOpt & PwCompareOptions.IgnoreLastMod) !=
 				PwCompareOptions.None);

-			if(!m_uuid.EqualsValue(pe.m_uuid)) return false;
+			if(!m_uuid.Equals(pe.m_uuid)) return false;
 			if((pwOpt & PwCompareOptions.IgnoreParentGroup) == PwCompareOptions.None)
 			{
 				if(m_pParentGroup != pe.m_pParentGroup) return false;
@@ -458,7 +455,7 @@ namespace ModernKeePassLib
 			}

 			if(m_pwIcon != pe.m_pwIcon) return false;
-			if(!m_pwCustomIconID.EqualsValue(pe.m_pwCustomIconID)) return false;
+			if(!m_pwCustomIconID.Equals(pe.m_pwCustomIconID)) return false;

 			if(m_clrForeground != pe.m_clrForeground) return false;
 			if(m_clrBackground != pe.m_clrBackground) return false;
@@ -479,7 +476,6 @@ namespace ModernKeePassLib
 			}

 			return true;
-#endif
 		}

 		/// <summary>
@@ -497,10 +493,12 @@ namespace ModernKeePassLib
 		{
 			Debug.Assert(peTemplate != null); if(peTemplate == null) throw new ArgumentNullException("peTemplate");

-			if(bOnlyIfNewer && (peTemplate.m_tLastMod < m_tLastMod)) return;
+			if(bOnlyIfNewer && (TimeUtil.Compare(peTemplate.m_tLastMod, m_tLastMod,
+				true) < 0))
+				return;

 			// Template UUID should be the same as the current one
-			Debug.Assert(m_uuid.EqualsValue(peTemplate.m_uuid));
+			Debug.Assert(m_uuid.Equals(peTemplate.m_uuid));
 			m_uuid = peTemplate.m_uuid;

 			if(bAssignLocationChanged)
@@ -695,7 +693,7 @@ namespace ModernKeePassLib
 			for(uint u = 0; u < m_listHistory.UCount; ++u)
 			{
 				PwEntry pe = m_listHistory.GetAt(u);
-				if(pe.LastModificationTime < dtMin)
+				if(TimeUtil.Compare(pe.LastModificationTime, dtMin, true) < 0)
 				{
 					idxRemove = u;
 					dtMin = pe.LastModificationTime;
@@ -847,6 +845,24 @@ namespace ModernKeePassLib
 				}
 			}
 		}
+
+		public void SetCreatedNow()
+		{
+			DateTime dt = DateTime.Now;
+
+			m_tCreation = dt;
+			m_tLastAccess = dt;
+		}
+
+		public PwEntry Duplicate()
+		{
+			PwEntry pe = CloneDeep();
+
+			pe.SetUuid(new PwUuid(true), true);
+			pe.SetCreatedNow();
+
+			return pe;
+		}
 	}

 	public sealed class PwEntryComparer : IComparer<PwEntry>
@@ -867,13 +883,15 @@ namespace ModernKeePassLib

 		public int Compare(PwEntry a, PwEntry b)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return 0;
-#if TODO
 			string strA = a.Strings.ReadSafe(m_strFieldName);
 			string strB = b.Strings.ReadSafe(m_strFieldName);

 			if(m_bCompareNaturally) return StrUtil.CompareNaturally(strA, strB);
+
+#if PCL || KeePassRT
+			return string.Compare(strA, strB, m_bCaseInsensitive ?
+				StringComparison.CurrentCultureIgnoreCase : StringComparison.CurrentCulture);
+#else
 			return string.Compare(strA, strB, m_bCaseInsensitive);
 #endif
 		}
--- a/ModernKeePassLib/PwEnums.cs
+++ b/ModernKeePassLib/PwEnums.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -65,6 +65,8 @@ namespace ModernKeePassLib
 	/// </summary>
 	public enum PwMergeMethod
 	{
+		// Do not change the explicitly assigned values, otherwise
+		// serialization (e.g. of Ecas triggers) breaks
 		None = 0,
 		OverwriteExisting = 1,
 		KeepExisting = 2,
@@ -202,6 +204,67 @@ namespace ModernKeePassLib
 		IgnoreHistory = 0x10,
 		IgnoreLastBackup = 0x20,

+		// For groups:
+		PropertiesOnly = 0x40,
+
 		IgnoreTimes = (IgnoreLastAccess | IgnoreLastMod)
 	}
+
+	public enum IOAccessType
+	{
+		None = 0,
+
+		/// <summary>
+		/// The IO connection is being opened for reading.
+		/// </summary>
+		Read = 1,
+
+		/// <summary>
+		/// The IO connection is being opened for writing.
+		/// </summary>
+		Write = 2,
+
+		/// <summary>
+		/// The IO connection is being opened for testing
+		/// whether a file/object exists.
+		/// </summary>
+		Exists = 3,
+
+		/// <summary>
+		/// The IO connection is being opened for deleting a file/object.
+		/// </summary>
+		Delete = 4,
+
+		/// <summary>
+		/// The IO connection is being opened for renaming/moving a file/object.
+		/// </summary>
+		Move = 5
+	}
+
+	// public enum PwLogicalOp
+	// {
+	//	None = 0,
+	//	Or = 1,
+	//	And = 2,
+	//	NOr = 3,
+	//	NAnd = 4
+	// }
+
+	[Flags]
+	public enum AppRunFlags
+	{
+		None = 0,
+		GetStdOutput = 1,
+		WaitForExit = 2,
+
+		// This flag prevents any handles being garbage-collected
+		// before the started process has terminated, without
+		// blocking the current thread;
+		// https://sourceforge.net/p/keepass/patches/84/
+		GCKeepAlive = 4,
+
+		// https://sourceforge.net/p/keepass/patches/85/
+		DoEvents = 8,
+		DisableForms = 16
+	}
 }
--- a/ModernKeePassLib/PwGroup.cs
+++ b/ModernKeePassLib/PwGroup.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -137,7 +137,7 @@ namespace ModernKeePassLib
 		{
 			get { return m_pParentGroup; }

-			/// Plugins: use <c>PwGroup.AddGroup</c> instead.
+			// Plugins: use <c>PwGroup.AddGroup</c> instead.
 			internal set { Debug.Assert(value != this); m_pParentGroup = value; }
 		}

@@ -352,9 +352,9 @@ namespace ModernKeePassLib
 			pg.m_pwCustomIconID = m_pwCustomIconID;

 			pg.m_tCreation = m_tCreation;
-			pg.m_tExpire = m_tExpire;
-			pg.m_tLastAccess = m_tLastAccess;
 			pg.m_tLastMod = m_tLastMod;
+			pg.m_tLastAccess = m_tLastAccess;
+			pg.m_tExpire = m_tExpire;
 			pg.m_bExpires = m_bExpires;
 			pg.m_uUsageCount = m_uUsageCount;

@@ -363,6 +363,9 @@ namespace ModernKeePassLib

 			pg.m_strDefaultAutoTypeSequence = m_strDefaultAutoTypeSequence;

+			pg.m_bEnableAutoType = m_bEnableAutoType;
+			pg.m_bEnableSearching = m_bEnableSearching;
+
 			pg.m_pwLastTopVisibleEntry = m_pwLastTopVisibleEntry;

 			return pg;
@@ -385,6 +388,76 @@ namespace ModernKeePassLib
 			return pg;
 		}

+		public bool EqualsGroup(PwGroup pg, PwCompareOptions pwOpt,
+			MemProtCmpMode mpCmpStr)
+		{
+			if(pg == null) { Debug.Assert(false); return false; }
+
+			bool bIgnoreLastAccess = ((pwOpt & PwCompareOptions.IgnoreLastAccess) !=
+				PwCompareOptions.None);
+			bool bIgnoreLastMod = ((pwOpt & PwCompareOptions.IgnoreLastMod) !=
+				PwCompareOptions.None);
+
+			if(!m_uuid.Equals(pg.m_uuid)) return false;
+			if((pwOpt & PwCompareOptions.IgnoreParentGroup) == PwCompareOptions.None)
+			{
+				if(m_pParentGroup != pg.m_pParentGroup) return false;
+				if(!bIgnoreLastMod && (m_tParentGroupLastMod != pg.m_tParentGroupLastMod))
+					return false;
+			}
+
+			if(m_strName != pg.m_strName) return false;
+			if(m_strNotes != pg.m_strNotes) return false;
+
+			if(m_pwIcon != pg.m_pwIcon) return false;
+			if(!m_pwCustomIconID.Equals(pg.m_pwCustomIconID)) return false;
+
+			if(m_tCreation != pg.m_tCreation) return false;
+			if(!bIgnoreLastMod && (m_tLastMod != pg.m_tLastMod)) return false;
+			if(!bIgnoreLastAccess && (m_tLastAccess != pg.m_tLastAccess)) return false;
+			if(m_tExpire != pg.m_tExpire) return false;
+			if(m_bExpires != pg.m_bExpires) return false;
+			if(!bIgnoreLastAccess && (m_uUsageCount != pg.m_uUsageCount)) return false;
+
+			// if(m_bIsExpanded != pg.m_bIsExpanded) return false;
+
+			if(m_strDefaultAutoTypeSequence != pg.m_strDefaultAutoTypeSequence) return false;
+
+			if(m_bEnableAutoType.HasValue != pg.m_bEnableAutoType.HasValue) return false;
+			if(m_bEnableAutoType.HasValue)
+			{
+				if(m_bEnableAutoType.Value != pg.m_bEnableAutoType.Value) return false;
+			}
+			if(m_bEnableSearching.HasValue != pg.m_bEnableSearching.HasValue) return false;
+			if(m_bEnableSearching.HasValue)
+			{
+				if(m_bEnableSearching.Value != pg.m_bEnableSearching.Value) return false;
+			}
+
+			if(!m_pwLastTopVisibleEntry.Equals(pg.m_pwLastTopVisibleEntry)) return false;
+
+			if((pwOpt & PwCompareOptions.PropertiesOnly) == PwCompareOptions.None)
+			{
+				if(m_listEntries.UCount != pg.m_listEntries.UCount) return false;
+				for(uint u = 0; u < m_listEntries.UCount; ++u)
+				{
+					PwEntry peA = m_listEntries.GetAt(u);
+					PwEntry peB = pg.m_listEntries.GetAt(u);
+					if(!peA.EqualsEntry(peB, pwOpt, mpCmpStr)) return false;
+				}
+
+				if(m_listGroups.UCount != pg.m_listGroups.UCount) return false;
+				for(uint u = 0; u < m_listGroups.UCount; ++u)
+				{
+					PwGroup pgA = m_listGroups.GetAt(u);
+					PwGroup pgB = pg.m_listGroups.GetAt(u);
+					if(!pgA.EqualsGroup(pgB, pwOpt, mpCmpStr)) return false;
+				}
+			}
+
+			return true;
+		}
+
 		/// <summary>
 		/// Assign properties to the current group based on a template group.
 		/// </summary>
@@ -398,10 +471,12 @@ namespace ModernKeePassLib
 		{
 			Debug.Assert(pgTemplate != null); if(pgTemplate == null) throw new ArgumentNullException("pgTemplate");

-			if(bOnlyIfNewer && (pgTemplate.m_tLastMod < m_tLastMod)) return;
+			if(bOnlyIfNewer && (TimeUtil.Compare(pgTemplate.m_tLastMod, m_tLastMod,
+				true) < 0))
+				return;

 			// Template UUID should be the same as the current one
-			Debug.Assert(m_uuid.EqualsValue(pgTemplate.m_uuid));
+			Debug.Assert(m_uuid.Equals(pgTemplate.m_uuid));
 			m_uuid = pgTemplate.m_uuid;

 			if(bAssignLocationChanged)
@@ -422,6 +497,9 @@ namespace ModernKeePassLib

 			m_strDefaultAutoTypeSequence = pgTemplate.m_strDefaultAutoTypeSequence;

+			m_bEnableAutoType = pgTemplate.m_bEnableAutoType;
+			m_bEnableSearching = pgTemplate.m_bEnableSearching;
+
 			m_pwLastTopVisibleEntry = pgTemplate.m_pwLastTopVisibleEntry;
 		}

@@ -573,8 +651,6 @@ namespace ModernKeePassLib

 		/// <summary>
 		/// Pack all groups into one flat linked list of references (recursively).
-		/// Temporary IDs (<c>TemporaryID</c> field) and levels (<c>TemporaryLevel</c>)
-		/// are assigned automatically.
 		/// </summary>
 		/// <returns>Flat list of all groups.</returns>
 		public LinkedList<PwGroup> GetFlatGroupList()
@@ -671,6 +747,7 @@ namespace ModernKeePassLib
 		/// <param name="sp">Specifies the search method.</param>
 		/// <param name="listStorage">Entry list in which the search results will
 		/// be stored.</param>
+		/// <param name="slStatus">Optional status reporting object.</param>
 		public void SearchEntries(SearchParameters sp, PwObjectList<PwEntry> listStorage,
 			IStatusLogger slStatus)
 		{
@@ -743,9 +820,6 @@ namespace ModernKeePassLib
 			PwObjectList<PwEntry> listStorage, IStatusLogger slStatus,
 			ref ulong uCurEntries, ulong uTotalEntries)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return false;
-#if TODO
 			SearchParameters sp = spIn.Clone();
 			if(sp.SearchString == null) { Debug.Assert(false); return true; }
 			sp.SearchString = sp.SearchString.Trim();
@@ -767,9 +841,15 @@ namespace ModernKeePassLib
 			Regex rx = null;
 			if(sp.RegularExpression)
 			{
+#if PCL || KeePassRT
+				RegexOptions ro = RegexOptions.None;
+#else
 				RegexOptions ro = RegexOptions.Compiled;
+#endif
 				if((sp.ComparisonMode == StringComparison.CurrentCultureIgnoreCase) ||
+#if !PCL && !KeePassRT
 					(sp.ComparisonMode == StringComparison.InvariantCultureIgnoreCase) ||
+#endif
 					(sp.ComparisonMode == StringComparison.OrdinalIgnoreCase))
 				{
 					ro |= RegexOptions.IgnoreCase;
@@ -880,7 +960,6 @@ namespace ModernKeePassLib
 			if(!PreOrderTraverseTree(null, eh)) return false;
 			uCurEntries = uLocalCurEntries;
 			return true;
-#endif
 		}

 		private static void SearchEvalAdd(SearchParameters sp, string strDataField,
@@ -942,6 +1021,30 @@ namespace ModernKeePassLib
 			return vTags;
 		}

+#if !KeePassLibSD
+		public IDictionary<string, uint> BuildEntryTagsDict(bool bSort)
+		{
+			IDictionary<string, uint> d;
+			if(!bSort) d = new Dictionary<string, uint>(StrUtil.CaseIgnoreComparer);
+			else d = new SortedDictionary<string, uint>(StrUtil.CaseIgnoreComparer);
+
+			EntryHandler eh = delegate(PwEntry pe)
+			{
+				foreach(string strTag in pe.Tags)
+				{
+					uint u;
+					if(d.TryGetValue(strTag, out u)) d[strTag] = u + 1;
+					else d[strTag] = 1;
+				}
+
+				return true;
+			};
+
+			TraverseTree(TraversalMethod.PreOrder, null, eh);
+			return d;
+		}
+#endif
+
 		public void FindEntriesByTag(string strTag, PwObjectList<PwEntry> listStorage,
 			bool bSearchRecursive)
 		{
@@ -976,7 +1079,7 @@ namespace ModernKeePassLib
 		public PwGroup FindGroup(PwUuid uuid, bool bSearchRecursive)
 		{
 			// Do not assert on PwUuid.Zero
-			if(m_uuid.EqualsValue(uuid)) return this;
+			if(m_uuid.Equals(uuid)) return this;

 			if(bSearchRecursive)
 			{
@@ -991,7 +1094,7 @@ namespace ModernKeePassLib
 			{
 				foreach(PwGroup pg in m_listGroups)
 				{
-					if(pg.m_uuid.EqualsValue(uuid))
+					if(pg.m_uuid.Equals(uuid))
 						return pg;
 				}
 			}
@@ -1055,7 +1158,7 @@ namespace ModernKeePassLib
 		{
 			foreach(PwEntry pe in m_listEntries)
 			{
-				if(pe.Uuid.EqualsValue(uuid)) return pe;
+				if(pe.Uuid.Equals(uuid)) return pe;
 			}

 			if(bSearchRecursive)
@@ -1085,6 +1188,8 @@ namespace ModernKeePassLib
 		/// </summary>
 		/// <param name="strSeparator">String that separates the group
 		/// names.</param>
+		/// <param name="bIncludeTopMostGroup">Specifies whether the returned
+		/// path starts with the topmost group.</param>
 		/// <returns>Full path of the group.</returns>
 		public string GetFullPath(string strSeparator, bool bIncludeTopMostGroup)
 		{
@@ -1155,6 +1260,7 @@ namespace ModernKeePassLib
 			}
 		}

+#if !KeePassLibSD
 		/// <summary>
 		/// Find/create a subtree of groups.
 		/// </summary>
@@ -1168,11 +1274,23 @@ namespace ModernKeePassLib

 		public PwGroup FindCreateSubTree(string strTree, char[] vSeparators,
 			bool bAllowCreate)
+		{
+			if(vSeparators == null) { Debug.Assert(false); vSeparators = new char[0]; }
+
+			string[] v = new string[vSeparators.Length];
+			for(int i = 0; i < vSeparators.Length; ++i)
+				v[i] = new string(vSeparators[i], 1);
+
+			return FindCreateSubTree(strTree, v, bAllowCreate);
+		}
+
+		public PwGroup FindCreateSubTree(string strTree, string[] vSeparators,
+			bool bAllowCreate)
 		{
 			Debug.Assert(strTree != null); if(strTree == null) return this;
 			if(strTree.Length == 0) return this;

-			string[] vGroups = strTree.Split(vSeparators);
+			string[] vGroups = strTree.Split(vSeparators, StringSplitOptions.None);
 			if((vGroups == null) || (vGroups.Length == 0)) return this;

 			PwGroup pgContainer = this;
@@ -1203,6 +1321,7 @@ namespace ModernKeePassLib

 			return pgContainer;
 		}
+#endif

 		/// <summary>
 		/// Get the level of the group (i.e. the number of parent groups).
@@ -1426,6 +1545,69 @@ namespace ModernKeePassLib
 			}
 			m_listGroups.Clear();
 		}
+
+		internal List<PwGroup> GetTopSearchSkippedGroups()
+		{
+			List<PwGroup> l = new List<PwGroup>();
+
+			if(!GetSearchingEnabledInherited()) l.Add(this);
+			else GetTopSearchSkippedGroupsRec(l);
+
+			return l;
+		}
+
+		private void GetTopSearchSkippedGroupsRec(List<PwGroup> l)
+		{
+			if(m_bEnableSearching.HasValue && !m_bEnableSearching.Value)
+			{
+				l.Add(this);
+				return;
+			}
+			else { Debug.Assert(GetSearchingEnabledInherited()); }
+
+			foreach(PwGroup pgSub in m_listGroups)
+				pgSub.GetTopSearchSkippedGroupsRec(l);
+		}
+
+		public void SetCreatedNow(bool bRecursive)
+		{
+			DateTime dt = DateTime.Now;
+
+			m_tCreation = dt;
+			m_tLastAccess = dt;
+
+			if(!bRecursive) return;
+
+			GroupHandler gh = delegate(PwGroup pg)
+			{
+				pg.m_tCreation = dt;
+				pg.m_tLastAccess = dt;
+				return true;
+			};
+
+			EntryHandler eh = delegate(PwEntry pe)
+			{
+				pe.CreationTime = dt;
+				pe.LastAccessTime = dt;
+				return true;
+			};
+
+			TraverseTree(TraversalMethod.PreOrder, gh, eh);
+		}
+
+		public PwGroup Duplicate()
+		{
+			PwGroup pg = CloneDeep();
+
+			pg.Uuid = new PwUuid(true);
+			pg.CreateNewItemUuids(true, true, true);
+
+			pg.SetCreatedNow(true);
+
+			pg.TakeOwnership(true, true, true);
+
+			return pg;
+		}
 	}

 	public sealed class PwGroupComparer : IComparer<PwGroup>
--- a/ModernKeePassLib/PwUuid.cs
+++ b/ModernKeePassLib/PwUuid.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,6 +18,7 @@
 */

 using System;
+using System.Collections.Generic;
 using System.Xml;
 using System.Diagnostics;

@@ -27,10 +28,10 @@ namespace ModernKeePassLib
 {
 	// [ImmutableObject(true)]
 	/// <summary>
-	/// Represents an UUID of a password entry or group. Once created, <c>PwUuid</c>
-	/// objects aren't modifyable anymore (immutable).
+	/// Represents an UUID of a password entry or group. Once created,
+	/// <c>PwUuid</c> objects aren't modifyable anymore (immutable).
 	/// </summary>
-	public sealed class PwUuid
+	public sealed class PwUuid : IComparable<PwUuid>, IEquatable<PwUuid>
 	{
 		/// <summary>
 		/// Standard size in bytes of a UUID.
@@ -40,9 +41,9 @@ namespace ModernKeePassLib
 		/// <summary>
 		/// Zero UUID (all bytes are zero).
 		/// </summary>
-		public static readonly PwUuid Zero = new PwUuid();
+		public static readonly PwUuid Zero = new PwUuid(false);

-		private byte[] m_pbUuid = new byte[UuidSize];
+		private byte[] m_pbUuid = null; // Never null after constructor

 		/// <summary>
 		/// Get the 16 UUID bytes.
@@ -52,14 +53,6 @@ namespace ModernKeePassLib
 			get { return m_pbUuid; }
 		}

-		/// <summary>
-		/// Construct a new UUID object. Its value is initialized to zero.
-		/// </summary>
-		private PwUuid()
-		{
-			SetZero();
-		}
-
 		/// <summary>
 		/// Construct a new UUID object.
 		/// </summary>
@@ -88,38 +81,95 @@ namespace ModernKeePassLib
 		/// otherwise it returns <c>false</c>.</returns>
 		private void CreateNew()
 		{
+			Debug.Assert(m_pbUuid == null); // Only call from constructor
 			while(true)
 			{
 				m_pbUuid = Guid.NewGuid().ToByteArray();

-				if((m_pbUuid == null) || (m_pbUuid.Length != UuidSize))
+				if((m_pbUuid == null) || (m_pbUuid.Length != (int)UuidSize))
+				{
+					Debug.Assert(false);
 					throw new InvalidOperationException();
+				}

 				// Zero is a reserved value -- do not generate Zero
-				if(this.EqualsValue(PwUuid.Zero) == false)
-					break;
+				if(!Equals(PwUuid.Zero)) break;
+				Debug.Assert(false);
 			}
 		}

-		/// <summary>
-		/// Compare this UUID with another.
-		/// </summary>
-		/// <param name="uuid">Second UUID object.</param>
-		/// <returns>Returns <c>true</c> if both PwUuid object contain the same
-		/// value, otherwise <c>false</c> is returned.</returns>
+		private void SetValue(byte[] uuidBytes)
+		{
+			Debug.Assert((uuidBytes != null) && (uuidBytes.Length == (int)UuidSize));
+			if(uuidBytes == null) throw new ArgumentNullException("uuidBytes");
+			if(uuidBytes.Length != (int)UuidSize) throw new ArgumentException();
+
+			Debug.Assert(m_pbUuid == null); // Only call from constructor
+			m_pbUuid = new byte[UuidSize];
+
+			Array.Copy(uuidBytes, m_pbUuid, (int)UuidSize);
+		}
+
+		private void SetZero()
+		{
+			Debug.Assert(m_pbUuid == null); // Only call from constructor
+			m_pbUuid = new byte[UuidSize];
+
+			// Array.Clear(m_pbUuid, 0, (int)UuidSize);
+#if DEBUG
+			List<byte> l = new List<byte>(m_pbUuid);
+			Debug.Assert(l.TrueForAll(bt => (bt == 0)));
+#endif
+		}
+
+		[Obsolete]
 		public bool EqualsValue(PwUuid uuid)
 		{
-			Debug.Assert(uuid != null);
-			if(uuid == null) throw new ArgumentNullException("uuid");
+			return Equals(uuid);
+		}

-			for(int i = 0; i < UuidSize; ++i)
+		public override bool Equals(object obj)
+		{
+			return Equals(obj as PwUuid);
+		}
+
+		public bool Equals(PwUuid other)
+		{
+			if(other == null) { Debug.Assert(false); return false; }
+
+			for(int i = 0; i < (int)UuidSize; ++i)
 			{
-				if(m_pbUuid[i] != uuid.m_pbUuid[i]) return false;
+				if(m_pbUuid[i] != other.m_pbUuid[i]) return false;
 			}

 			return true;
 		}

+		private int m_h = 0;
+		public override int GetHashCode()
+		{
+			if(m_h == 0)
+				m_h = (int)MemUtil.Hash32(m_pbUuid, 0, m_pbUuid.Length);
+			return m_h;
+		}
+
+		public int CompareTo(PwUuid other)
+		{
+			if(other == null)
+			{
+				Debug.Assert(false);
+				throw new ArgumentNullException("other");
+			}
+
+			for(int i = 0; i < (int)UuidSize; ++i)
+			{
+				if(m_pbUuid[i] < other.m_pbUuid[i]) return -1;
+				if(m_pbUuid[i] > other.m_pbUuid[i]) return 1;
+			}
+
+			return 0;
+		}
+
 		/// <summary>
 		/// Convert the UUID to its string representation.
 		/// </summary>
@@ -129,29 +179,15 @@ namespace ModernKeePassLib
 			return MemUtil.ByteArrayToHexString(m_pbUuid);
 		}

-		/// <summary>
-		/// Set the UUID value. The input parameter will not be modified.
-		/// </summary>
-		/// <param name="uuidBytes">UUID bytes. The byte array must contain
-		/// exactly <c>UUIDSize</c> bytes, otherwise the function will fail.</param>
-		private void SetValue(byte[] uuidBytes)
+#if DEBUG
+		public override string ToString()
 		{
-			Debug.Assert((uuidBytes != null) && (uuidBytes.Length == UuidSize));
-			if(uuidBytes == null) throw new ArgumentNullException("uuidBytes");
-			if(uuidBytes.Length != UuidSize) throw new ArgumentException();
-
-			Array.Copy(uuidBytes, m_pbUuid, (int)UuidSize);
-		}
-
-		/// <summary>
-		/// Set the UUID value to zero.
-		/// </summary>
-		private void SetZero()
-		{
-			Array.Clear(m_pbUuid, 0, (int)UuidSize);
+			return ToHexString();
 		}
+#endif
 	}

+	[Obsolete]
 	public sealed class PwUuidComparable : IComparable<PwUuidComparable>
 	{
 		private byte[] m_pbUuid = new byte[PwUuid.UuidSize];
--- a/ModernKeePassLib/Resources/KLRes.Generated.cs
+++ b/ModernKeePassLib/Resources/KLRes.Generated.cs
@@ -48,6 +48,7 @@ namespace ModernKeePassLib.Resources
 			m_strInvalidCompositeKeyHint = TryGetEx(dictNew, "InvalidCompositeKeyHint", m_strInvalidCompositeKeyHint);
 			m_strInvalidDataWhileDecoding = TryGetEx(dictNew, "InvalidDataWhileDecoding", m_strInvalidDataWhileDecoding);
 			m_strKeePass1xHint = TryGetEx(dictNew, "KeePass1xHint", m_strKeePass1xHint);
+			m_strKeyFileDbSel = TryGetEx(dictNew, "KeyFileDbSel", m_strKeyFileDbSel);
 			m_strMasterSeedLengthInvalid = TryGetEx(dictNew, "MasterSeedLengthInvalid", m_strMasterSeedLengthInvalid);
 			m_strOldFormat = TryGetEx(dictNew, "OldFormat", m_strOldFormat);
 			m_strTryAgainSecs = TryGetEx(dictNew, "TryAgainSecs", m_strTryAgainSecs);
@@ -78,6 +79,7 @@ namespace ModernKeePassLib.Resources
 			"InvalidCompositeKeyHint",
 			"InvalidDataWhileDecoding",
 			"KeePass1xHint",
+			"KeyFileDbSel",
 			"MasterSeedLengthInvalid",
 			"OldFormat",
 			"TryAgainSecs",
@@ -201,10 +203,10 @@ namespace ModernKeePassLib.Resources
 		}

 		private static string m_strFileSaveCorruptionWarning =
-			@"The target file might be in a corrupted state. Please try saving again, and if that fails, save the database to a different location.";
+			@"The target file might be corrupted. Please try saving again. If that fails, save the database to a different location.";
 		/// <summary>
 		/// Look up a localized string similar to
-		/// 'The target file might be in a corrupted state. Please try saving again, and if that fails, save the database to a different location.'.
+		/// 'The target file might be corrupted. Please try saving again. If that fails, save the database to a different location.'.
 		/// </summary>
 		public static string FileSaveCorruptionWarning
 		{
@@ -332,6 +334,17 @@ namespace ModernKeePassLib.Resources
 			get { return m_strKeePass1xHint; }
 		}

+		private static string m_strKeyFileDbSel =
+			@"Database files cannot be used as key files.";
+		/// <summary>
+		/// Look up a localized string similar to
+		/// 'Database files cannot be used as key files.'.
+		/// </summary>
+		public static string KeyFileDbSel
+		{
+			get { return m_strKeyFileDbSel; }
+		}
+
 		private static string m_strMasterSeedLengthInvalid =
 			@"The length of the master key seed is invalid!";
 		/// <summary>
--- a/ModernKeePassLib/Security/ProtectedBinary.cs
+++ b/ModernKeePassLib/Security/ProtectedBinary.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,170 +18,307 @@
 */

 using System;
-using System.Threading.Tasks;
+using System.Threading;
+using System.Diagnostics;

-using ModernKeePassLib.Utility;
 using ModernKeePassLib.Cryptography;
-using Windows.Security.Cryptography;
-using Windows.Security.Cryptography.DataProtection;
-using Windows.Storage.Streams;
-
+using ModernKeePassLib.Cryptography.Cipher;
+using ModernKeePassLib.Utility;

 #if KeePassLibSD
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 namespace ModernKeePassLib.Security
 {
-    /// <summary>
-    /// Represents a protected binary, i.e. a byte array that is encrypted
-    /// in memory. A <c>ProtectedBinary</c> object is immutable and
-    /// thread-safe.
-    /// </summary>
-    public sealed class ProtectedBinary : IEquatable<ProtectedBinary>
-    {
-        private static bool m_bProtectionSupported;
-        private IBuffer m_pbDataCrypted;
-        private DataProtectionProvider m_pProvider;
-        private bool m_bProtected;
+	[Flags]
+	public enum PbCryptFlags
+	{
+		None = 0,
+		Encrypt = 1,
+		Decrypt = 2
+	}

-        /// <summary>
-        /// A flag specifying whether the <c>ProtectedBinary</c> object has
-        /// turned on in-memory protection or not.
-        /// </summary>
-        public bool IsProtected
-        {
-            get
-            {
-                Debug.Assert(false, "not yet implemented");
+	public delegate void PbCryptDelegate(byte[] pbData, PbCryptFlags cf,
+		long lID);
+
+	/// <summary>
+	/// Represents a protected binary, i.e. a byte array that is encrypted
+	/// in memory. A <c>ProtectedBinary</c> object is immutable and
+	/// thread-safe.
+	/// </summary>
+	public sealed class ProtectedBinary : IEquatable<ProtectedBinary>
+	{
+		private const int BlockSize = 16;
+
+		private static PbCryptDelegate g_fExtCrypt = null;
+		/// <summary>
+		/// A plugin can provide a custom memory protection method
+		/// by assigning a non-null delegate to this property.
+		/// </summary>
+		public static PbCryptDelegate ExtCrypt
+		{
+			get { return g_fExtCrypt; }
+			set { g_fExtCrypt = value; }
+		}
+
+		// Local copy of the delegate that was used for encryption,
+		// in order to allow correct decryption even when the global
+		// delegate changes
+		private PbCryptDelegate m_fExtCrypt = null;
+
+		private enum PbMemProt
+		{
+			None = 0,
+			ProtectedMemory,
+			Salsa20,
+			ExtCrypt
+		}
+
+		// ProtectedMemory is supported only on Windows 2000 SP3 and higher
+#if !KeePassLibSD
+		private static bool? g_bProtectedMemorySupported = null;
+#endif
+		private static bool ProtectedMemorySupported
+		{
+			get
+			{
+#if KeePassLibSD
+				return false;
+#elif PCL
                return false;
-#if TODO
-                return m_bProtected;
+#else
+				bool? ob = g_bProtectedMemorySupported;
+				if(ob.HasValue) return ob.Value;
+
+				// Mono does not implement any encryption for ProtectedMemory;
+				// https://sourceforge.net/p/keepass/feature-requests/1907/
+				/*if(NativeLib.IsUnix())
+				{
+					g_bProtectedMemorySupported = false;
+					return false;
+				}*/
+
+				ob = false;
+				try // Test whether ProtectedMemory is supported
+				{
+					// BlockSize * 3 in order to test encryption for multiple
+					// blocks, but not introduce a power of 2 as factor
+					byte[] pb = new byte[ProtectedBinary.BlockSize * 3];
+					for(int i = 0; i < pb.Length; ++i) pb[i] = (byte)i;
+
+					ProtectedMemory.Protect(pb, MemoryProtectionScope.SameProcess);
+
+					for(int i = 0; i < pb.Length; ++i)
+					{
+						if(pb[i] != (byte)i) { ob = true; break; }
+					}
+				}
+				catch(Exception) { } // Windows 98 / ME
+
+				g_bProtectedMemorySupported = ob;
+				return ob.Value;
 #endif
-            }
-        }
+			}
+		}

-        /// <summary>
-        /// Length of the stored data.
-        /// </summary>
-        public uint Length
-        {
-            get
-            {
+		private static long g_lCurID = 0;
+		private long m_lID;

-                Debug.Assert(false, "not yet implemented");
-                return 0;
-#if TODO
-                return m_uDataLen;
+		private byte[] m_pbData; // Never null
+
+		// The real length of the data; this value can be different from
+		// m_pbData.Length, as the length of m_pbData always is a multiple
+		// of BlockSize (required for ProtectedMemory)
+		private uint m_uDataLen;
+
+		private bool m_bProtected; // Protection requested by the caller
+
+		private PbMemProt m_mp = PbMemProt.None; // Actual protection
+
+		private object m_objSync = new object();
+
+		private static byte[] g_pbKey32 = null;
+
+		/// <summary>
+		/// A flag specifying whether the <c>ProtectedBinary</c> object has
+		/// turned on memory protection or not.
+		/// </summary>
+		public bool IsProtected
+		{
+			get { return m_bProtected; }
+		}
+
+		/// <summary>
+		/// Length of the stored data.
+		/// </summary>
+		public uint Length
+		{
+			get { return m_uDataLen; }
+		}
+
+		/// <summary>
+		/// Construct a new, empty protected binary data object.
+		/// Protection is disabled.
+		/// </summary>
+		public ProtectedBinary()
+		{
+			Init(false, new byte[0]);
+		}
+
+		/// <summary>
+		/// Construct a new protected binary data object.
+		/// </summary>
+		/// <param name="bEnableProtection">If this paremeter is <c>true</c>,
+		/// the data will be encrypted in memory. If it is <c>false</c>, the
+		/// data is stored in plain-text in the process memory.</param>
+		/// <param name="pbData">Value of the protected object.
+		/// The input parameter is not modified and
+		/// <c>ProtectedBinary</c> doesn't take ownership of the data,
+		/// i.e. the caller is responsible for clearing it.</param>
+		public ProtectedBinary(bool bEnableProtection, byte[] pbData)
+		{
+			Init(bEnableProtection, pbData);
+		}
+
+		/// <summary>
+		/// Construct a new protected binary data object. Copy the data from
+		/// a <c>XorredBuffer</c> object.
+		/// </summary>
+		/// <param name="bEnableProtection">Enable protection or not.</param>
+		/// <param name="xbProtected"><c>XorredBuffer</c> object used to
+		/// initialize the <c>ProtectedBinary</c> object.</param>
+		public ProtectedBinary(bool bEnableProtection, XorredBuffer xbProtected)
+		{
+			Debug.Assert(xbProtected != null);
+			if(xbProtected == null) throw new ArgumentNullException("xbProtected");
+
+			byte[] pb = xbProtected.ReadPlainText();
+			Init(bEnableProtection, pb);
+			MemUtil.ZeroByteArray(pb);
+		}
+
+		private void Init(bool bEnableProtection, byte[] pbData)
+		{
+			if(pbData == null) throw new ArgumentNullException("pbData");
+
+#if KeePassLibSD
+			m_lID = ++g_lCurID;
+#else
+			m_lID = Interlocked.Increment(ref g_lCurID);
 #endif
-            }
-        }

-        static ProtectedBinary()
-        {
-            m_bProtectionSupported = true;
-        }
+			m_bProtected = bEnableProtection;
+			m_uDataLen = (uint)pbData.Length;

-        /// <summary>
-        /// Construct a new, empty protected binary data object. Protection
-        /// is disabled.
-        /// </summary>
-        public ProtectedBinary()
-        {
-            Init(false, new byte[0]);
-        }
+			const int bs = ProtectedBinary.BlockSize;
+			int nBlocks = (int)m_uDataLen / bs;
+			if((nBlocks * bs) < (int)m_uDataLen) ++nBlocks;
+			Debug.Assert((nBlocks * bs) >= (int)m_uDataLen);

-        /// <summary>
-        /// Construct a new protected binary data object.
-        /// </summary>
-        /// <param name="bEnableProtection">If this paremeter is <c>true</c>,
-        /// the data will be encrypted in memory. If it is <c>false</c>, the
-        /// data is stored in plain-text in the process memory.</param>
-        /// <param name="pbData">Value of the protected object.
-        /// The input parameter is not modified and
-        /// <c>ProtectedBinary</c> doesn't take ownership of the data,
-        /// i.e. the caller is responsible for clearing it.</param>
-        public ProtectedBinary(bool bEnableProtection, byte[] pbData)
-        {
-            Init(bEnableProtection, pbData);
-        }
+			m_pbData = new byte[nBlocks * bs];
+			Array.Copy(pbData, m_pbData, (int)m_uDataLen);

-        /// <summary>
-        /// Construct a new protected binary data object. Copy the data from
-        /// a <c>XorredBuffer</c> object.
-        /// </summary>
-        /// <param name="bEnableProtection">Enable protection or not.</param>
-        /// <param name="xbProtected"><c>XorredBuffer</c> object used to
-        /// initialize the <c>ProtectedBinary</c> object.</param>
-        /// <exception cref="System.ArgumentNullException">Thrown if the input
-        /// parameter is <c>null</c>.</exception>
-        public ProtectedBinary(bool bEnableProtection, XorredBuffer xbProtected)
-        {
-            Debug.Assert(xbProtected != null); if (xbProtected == null) throw new ArgumentNullException("xbProtected");
+			Encrypt();
+		}

-            byte[] pb = xbProtected.ReadPlainText();
-            Init(bEnableProtection, pb);
-            MemUtil.ZeroByteArray(pb);
-        }
+		private void Encrypt()
+		{
+			Debug.Assert(m_mp == PbMemProt.None);

-        private void Init(bool bEnableProtection, byte[] pbData)
-        {
-            String strDescriptor = "LOCAL=user";
-            m_pProvider = new DataProtectionProvider(strDescriptor);
+			// Nothing to do if caller didn't request protection
+			if(!m_bProtected) return;

-            EncryptAsync(bEnableProtection, pbData);
+			// ProtectedMemory.Protect throws for data size == 0
+			if(m_pbData.Length == 0) return;

-        }
+			PbCryptDelegate f = g_fExtCrypt;
+			if(f != null)
+			{
+				f(m_pbData, PbCryptFlags.Encrypt, m_lID);

-        private void EncryptAsync(bool bEnableProtection, byte[] pbData)
-        {
-            IBuffer dataUncrypted = CryptographicBuffer.CreateFromByteArray(pbData);
+				m_fExtCrypt = f;
+				m_mp = PbMemProt.ExtCrypt;
+				return;
+			}

-            Task<IBuffer> task = m_pProvider.ProtectAsync(dataUncrypted).AsTask<IBuffer>();
-            task.Wait();
+#if !PCL
+            if(ProtectedBinary.ProtectedMemorySupported)
+			{
+				ProtectedMemory.Protect(m_pbData, MemoryProtectionScope.SameProcess);

-            m_pbDataCrypted = task.Result;
-            // TODO: Here the dataUncrypted buffer should be cleared. Now just count on GarbageCollection to destroy.
+				m_mp = PbMemProt.ProtectedMemory;
+				return;
+			}
+#endif
+			byte[] pbKey32 = g_pbKey32;
+			if(pbKey32 == null)
+			{
+				pbKey32 = CryptoRandom.Instance.GetRandomBytes(32);

-        }
+				byte[] pbUpd = Interlocked.Exchange<byte[]>(ref g_pbKey32, pbKey32);
+				if(pbUpd != null) pbKey32 = pbUpd;
+			}

-        /// <summary>
-        /// Get a copy of the protected data as a byte array.
-        /// Please note that the returned byte array is not protected and
-        /// can therefore been read by any other application.
-        /// Make sure that your clear it properly after usage.
-        /// </summary>
-        /// <returns>Unprotected byte array. This is always a copy of the internal
-        /// protected data and can therefore be cleared safely.</returns>
-        public byte[] ReadData()
-        {
-            if (m_pbDataCrypted == null) return new byte[0];
+			Salsa20Cipher s = new Salsa20Cipher(pbKey32,
+				BitConverter.GetBytes(m_lID));
+			s.Encrypt(m_pbData, m_pbData.Length, true);
+			s.Dispose();
+			m_mp = PbMemProt.Salsa20;
+		}

-            // Decrypt the protected message specified on input.
+		private void Decrypt()
+		{
+			if(m_pbData.Length == 0) return;
+#if !PCL
+			if(m_mp == PbMemProt.ProtectedMemory)
+				ProtectedMemory.Unprotect(m_pbData, MemoryProtectionScope.SameProcess);
+#endif
+			else if(m_mp == PbMemProt.Salsa20)
+			{
+				Salsa20Cipher s = new Salsa20Cipher(g_pbKey32,
+					BitConverter.GetBytes(m_lID));
+				s.Encrypt(m_pbData, m_pbData.Length, true);
+				s.Dispose();
+			}
+			else if(m_mp == PbMemProt.ExtCrypt)
+				m_fExtCrypt(m_pbData, PbCryptFlags.Decrypt, m_lID);
+			else { Debug.Assert(m_mp == PbMemProt.None); }

-            Task<IBuffer> task = m_pProvider.UnprotectAsync(m_pbDataCrypted).AsTask<IBuffer>();
-            task.Wait();
+			m_mp = PbMemProt.None;
+		}

-            IBuffer buffUnprotected = task.Result;
-            byte[] strClearText;
-            CryptographicBuffer.CopyToByteArray(buffUnprotected, out strClearText);
-            return strClearText;
+		/// <summary>
+		/// Get a copy of the protected data as a byte array.
+		/// Please note that the returned byte array is not protected and
+		/// can therefore been read by any other application.
+		/// Make sure that your clear it properly after usage.
+		/// </summary>
+		/// <returns>Unprotected byte array. This is always a copy of the internal
+		/// protected data and can therefore be cleared safely.</returns>
+		public byte[] ReadData()
+		{
+			if(m_uDataLen == 0) return new byte[0];

-        }
+			byte[] pbReturn = new byte[m_uDataLen];

-        /// <summary>
-        /// Read the protected data and return it protected with a sequence
-        /// of bytes generated by a random stream.
-        /// </summary>
-        /// <param name="crsRandomSource">Random number source.</param>
-        /// <returns>Protected data.</returns>
-        /// <exception cref="System.ArgumentNullException">Thrown if the input
-        /// parameter is <c>null</c>.</exception>
-        public byte[] ReadXorredData(CryptoRandomStream crsRandomSource)
-        {
-            Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
+			lock(m_objSync)
+			{
+				Decrypt();
+				Array.Copy(m_pbData, pbReturn, (int)m_uDataLen);
+				Encrypt();
+			}
+
+			return pbReturn;
+		}
+
+		/// <summary>
+		/// Read the protected data and return it protected with a sequence
+		/// of bytes generated by a random stream.
+		/// </summary>
+		/// <param name="crsRandomSource">Random number source.</param>
+		public byte[] ReadXorredData(CryptoRandomStream crsRandomSource)
+		{
 			Debug.Assert(crsRandomSource != null);
 			if(crsRandomSource == null) throw new ArgumentNullException("crsRandomSource");

@@ -189,20 +326,19 @@ namespace ModernKeePassLib.Security
 			uint uLen = (uint)pbData.Length;

 			byte[] randomPad = crsRandomSource.GetRandomBytes(uLen);
-			Debug.Assert(randomPad.Length == uLen);
+			Debug.Assert(randomPad.Length == pbData.Length);

 			for(uint i = 0; i < uLen; ++i)
 				pbData[i] ^= randomPad[i];

 			return pbData;
-#endif
-        }
+		}
+
+		private int? m_hash = null;
+		public override int GetHashCode()
+		{
+			if(m_hash.HasValue) return m_hash.Value;

-        public override int GetHashCode()
-        {
-            Debug.Assert(false, "not yet implemented");
-            return 0;
-#if TODO
 			int h = (m_bProtected ? 0x7B11D289 : 0);

 			byte[] pb = ReadData();
@@ -213,20 +349,17 @@ namespace ModernKeePassLib.Security
 			}
 			MemUtil.ZeroByteArray(pb);

+			m_hash = h;
 			return h;
-#endif
-        }
+		}

-        public override bool Equals(object obj)
-        {
-            return Equals(obj as ProtectedBinary);
-        }
+		public override bool Equals(object obj)
+		{
+			return Equals(obj as ProtectedBinary);
+		}

-        public bool Equals(ProtectedBinary other)
-        {
-            Debug.Assert(false, "not yet implemented");
-            return false;
-#if TODO
+		public bool Equals(ProtectedBinary other)
+		{
 			if(other == null) return false; // No assert

 			if(m_bProtected != other.m_bProtected) return false;
@@ -243,7 +376,6 @@ namespace ModernKeePassLib.Security
 #endif

 			return bEq;
-#endif
-        }
-    }
+		}
+	}
 }
--- a/ModernKeePassLib/Security/ProtectedString.cs
+++ b/ModernKeePassLib/Security/ProtectedString.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -23,10 +23,9 @@ using System.Diagnostics;

 using ModernKeePassLib.Cryptography;
 using ModernKeePassLib.Utility;
-using System.Threading.Tasks;

 #if KeePassLibSD
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 // SecureString objects are limited to 65536 characters, don't use
@@ -48,7 +47,7 @@ namespace ModernKeePassLib.Security

 		private bool m_bIsProtected;

-		private static ProtectedString m_psEmpty = new ProtectedString();
+		private static readonly ProtectedString m_psEmpty = new ProtectedString();
 		public static ProtectedString Empty
 		{
 			get { return m_psEmpty; }
@@ -56,7 +55,7 @@ namespace ModernKeePassLib.Security

 		/// <summary>
 		/// A flag specifying whether the <c>ProtectedString</c> object
-		/// has turned on in-memory protection or not.
+		/// has turned on memory protection or not.
 		/// </summary>
 		public bool IsProtected
 		{
@@ -80,10 +79,6 @@ namespace ModernKeePassLib.Security
 		{
 			get
 			{
-
-                Debug.Assert(false, "not yet implemented");
-                return 0;
-#if TODO
 				if(m_nCachedLength >= 0) return m_nCachedLength;

 				ProtectedBinary pBin = m_pbUtf8; // Local ref for thread-safety
@@ -100,7 +95,6 @@ namespace ModernKeePassLib.Security
 				}

 				return m_nCachedLength;
-#endif
 			}
 		}

@@ -118,10 +112,9 @@ namespace ModernKeePassLib.Security
 		/// to the value supplied in the parameters.
 		/// </summary>
 		/// <param name="bEnableProtection">If this parameter is <c>true</c>,
-		/// the string will be protected in-memory (encrypted). If it
+		/// the string will be protected in memory (encrypted). If it
 		/// is <c>false</c>, the string will be stored as plain-text.</param>
-		/// <param name="strValue">The initial string value. This
-		/// parameter won't be modified.</param>
+		/// <param name="strValue">The initial string value.</param>
 		public ProtectedString(bool bEnableProtection, string strValue)
 		{
 			Init(bEnableProtection, strValue);
@@ -132,7 +125,7 @@ namespace ModernKeePassLib.Security
 		/// to the value supplied in the parameters (UTF-8 encoded string).
 		/// </summary>
 		/// <param name="bEnableProtection">If this parameter is <c>true</c>,
-		/// the string will be protected in-memory (encrypted). If it
+		/// the string will be protected in memory (encrypted). If it
 		/// is <c>false</c>, the string will be stored as plain-text.</param>
 		/// <param name="vUtf8Value">The initial string value, encoded as
 		/// UTF-8 byte array. This parameter won't be modified; the caller
@@ -150,10 +143,9 @@ namespace ModernKeePassLib.Security
 		/// <param name="xbProtected"><c>XorredBuffer</c> object containing the
 		/// string in UTF-8 representation. The UTF-8 string must not
 		/// be <c>null</c>-terminated.</param>
-		/// <exception cref="System.ArgumentNullException">Thrown if the input
-		/// parameter is <c>null</c>.</exception>
 		public ProtectedString(bool bEnableProtection, XorredBuffer xbProtected)
 		{
+			Debug.Assert(xbProtected != null);
 			if(xbProtected == null) throw new ArgumentNullException("xbProtected");

 			byte[] pb = xbProtected.ReadPlainText();
@@ -196,7 +188,6 @@ namespace ModernKeePassLib.Security
 			if(m_strPlainText != null) return m_strPlainText;

 			byte[] pb = ReadUtf8();
-        
 			string str = ((pb.Length == 0) ? string.Empty :
 				StrUtil.Utf8.GetString(pb, 0, pb.Length));
 			// No need to clear pb
@@ -218,11 +209,7 @@ namespace ModernKeePassLib.Security
 		public byte[] ReadUtf8()
 		{
 			ProtectedBinary pBin = m_pbUtf8; // Local ref for thread-safety
-
-            if (pBin != null)
-            {
-                return pBin.ReadData();
-            }
+			if(pBin != null) return pBin.ReadData();

 			return StrUtil.Utf8.GetBytes(m_strPlainText);
 		}
@@ -233,8 +220,6 @@ namespace ModernKeePassLib.Security
 		/// </summary>
 		/// <param name="crsRandomSource">Random number source.</param>
 		/// <returns>Protected string.</returns>
-		/// <exception cref="System.ArgumentNullException">Thrown if the input
-		/// parameter is <c>null</c>.</exception>
 		public byte[] ReadXorredString(CryptoRandomStream crsRandomSource)
 		{
 			Debug.Assert(crsRandomSource != null); if(crsRandomSource == null) throw new ArgumentNullException("crsRandomSource");
@@ -243,7 +228,7 @@ namespace ModernKeePassLib.Security
 			uint uLen = (uint)pbData.Length;

 			byte[] randomPad = crsRandomSource.GetRandomBytes(uLen);
-			Debug.Assert(randomPad.Length == uLen);
+			Debug.Assert(randomPad.Length == pbData.Length);

 			for(uint i = 0; i < uLen; ++i)
 				pbData[i] ^= randomPad[i];
@@ -260,5 +245,100 @@ namespace ModernKeePassLib.Security
 			MemUtil.ZeroByteArray(pb);
 			return ps;
 		}
+
+		public ProtectedString Insert(int iStart, string strInsert)
+		{
+			if(iStart < 0) throw new ArgumentOutOfRangeException("iStart");
+			if(strInsert == null) throw new ArgumentNullException("strInsert");
+			if(strInsert.Length == 0) return this;
+
+			// Only operate directly with strings when m_bIsProtected is
+			// false, not in the case of non-null m_strPlainText, because
+			// the operation creates a new sequence in memory
+			if(!m_bIsProtected)
+				return new ProtectedString(false, ReadString().Insert(
+					iStart, strInsert));
+
+			UTF8Encoding utf8 = StrUtil.Utf8;
+
+			byte[] pb = ReadUtf8();
+			char[] v = utf8.GetChars(pb);
+			char[] vNew;
+
+			try
+			{
+				if(iStart > v.Length)
+					throw new ArgumentOutOfRangeException("iStart");
+
+				char[] vIns = strInsert.ToCharArray();
+
+				vNew = new char[v.Length + vIns.Length];
+				Array.Copy(v, 0, vNew, 0, iStart);
+				Array.Copy(vIns, 0, vNew, iStart, vIns.Length);
+				Array.Copy(v, iStart, vNew, iStart + vIns.Length,
+					v.Length - iStart);
+			}
+			finally
+			{
+				Array.Clear(v, 0, v.Length);
+				MemUtil.ZeroByteArray(pb);
+			}
+
+			byte[] pbNew = utf8.GetBytes(vNew);
+			ProtectedString ps = new ProtectedString(m_bIsProtected, pbNew);
+
+			Debug.Assert(utf8.GetString(pbNew, 0, pbNew.Length) ==
+				ReadString().Insert(iStart, strInsert));
+
+			Array.Clear(vNew, 0, vNew.Length);
+			MemUtil.ZeroByteArray(pbNew);
+			return ps;
+		}
+
+		public ProtectedString Remove(int iStart, int nCount)
+		{
+			if(iStart < 0) throw new ArgumentOutOfRangeException("iStart");
+			if(nCount < 0) throw new ArgumentOutOfRangeException("nCount");
+			if(nCount == 0) return this;
+
+			// Only operate directly with strings when m_bIsProtected is
+			// false, not in the case of non-null m_strPlainText, because
+			// the operation creates a new sequence in memory
+			if(!m_bIsProtected)
+				return new ProtectedString(false, ReadString().Remove(
+					iStart, nCount));
+
+			UTF8Encoding utf8 = StrUtil.Utf8;
+
+			byte[] pb = ReadUtf8();
+			char[] v = utf8.GetChars(pb);
+			char[] vNew;
+
+			try
+			{
+				if((iStart + nCount) > v.Length)
+					throw new ArgumentException("iStart + nCount");
+
+				vNew = new char[v.Length - nCount];
+				Array.Copy(v, 0, vNew, 0, iStart);
+				Array.Copy(v, iStart + nCount, vNew, iStart, v.Length -
+					(iStart + nCount));
+			}
+			finally
+			{
+				Array.Clear(v, 0, v.Length);
+				MemUtil.ZeroByteArray(pb);
+			}
+
+			byte[] pbNew = utf8.GetBytes(vNew);
+			ProtectedString ps = new ProtectedString(m_bIsProtected, pbNew);
+
+			Debug.Assert(utf8.GetString(pbNew, 0, pbNew.Length) ==
+				ReadString().Remove(iStart, nCount));
+
+			Array.Clear(vNew, 0, vNew.Length);
+			MemUtil.ZeroByteArray(pbNew);
+			return ps;
+		}
 	}
 }
--- a/ModernKeePassLib/Security/XorredBuffer.cs
+++ b/ModernKeePassLib/Security/XorredBuffer.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Serialization/BinaryReaderEx.cs
+++ b/ModernKeePassLib/Serialization/BinaryReaderEx.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -22,42 +22,74 @@ using System.Collections.Generic;
 using System.Text;
 using System.IO;

+using ModernKeePassLib.Utility;
+
 namespace ModernKeePassLib.Serialization
 {
-	public sealed class BinaryReaderEx : BinaryReader
+	public sealed class BinaryReaderEx
 	{
-		private string m_strReadExcp = null;
+		private Stream m_s;
+		// private Encoding m_enc; // See constructor
+
+		private string m_strReadExcp;
 		public string ReadExceptionText
 		{
 			get { return m_strReadExcp; }
 			set { m_strReadExcp = value; }
 		}

-		public BinaryReaderEx(Stream input, Encoding encoding,
-			string strReadExceptionText) :
-			base(input, encoding)
+		private Stream m_sCopyTo = null;
+		/// <summary>
+		/// If this property is set to a non-null stream, all data that
+		/// is read from the input stream is automatically written to
+		/// the copy stream (before returning the read data).
+		/// </summary>
+		public Stream CopyDataTo
 		{
+			get { return m_sCopyTo; }
+			set { m_sCopyTo = value; }
+		}
+
+		public BinaryReaderEx(Stream input, Encoding encoding,
+			string strReadExceptionText)
+		{
+			if(input == null)
+                throw new ArgumentNullException("input");
+
+			m_s = input;
+			// m_enc = encoding; // Not used yet
 			m_strReadExcp = strReadExceptionText;
 		}

-		public override byte[] ReadBytes(int count)
+		public byte[] ReadBytes(int nCount)
 		{
-			/*try
-			{*/
-				byte[] pb = base.ReadBytes(count);
-				if((pb == null) || (pb.Length != count))
+			try
+			{
+				byte[] pb = MemUtil.Read(m_s, nCount);
+				if((pb == null) || (pb.Length != nCount))
 				{
-					if(m_strReadExcp != null) throw new IOException(m_strReadExcp);
-					else throw new EndOfStreamException();
+					if(m_strReadExcp != null)
+                        throw new IOException(m_strReadExcp);
+					else
+                        throw new EndOfStreamException();
 				}

+				if(m_sCopyTo != null)
+                    m_sCopyTo.Write(pb, 0, pb.Length);
 				return pb;
-			/*}
-			catch(Exception ex)
+			}
+			catch(Exception)
 			{
-				if(m_strReadExcp != null) throw new IOException(m_strReadExcp);
+				if(m_strReadExcp != null)
+                    throw new IOException(m_strReadExcp);
 				else throw;
-			}*/
+			}
+		}
+
+		public byte ReadByte()
+		{
+			byte[] pb = ReadBytes(1);
+			return pb[0];
 		}
 	}
 }
--- a/ModernKeePassLib/Serialization/CryptoStream.cs
+++ b/ModernKeePassLib/Serialization/CryptoStream.cs
@@ -1,139 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using Windows.Security.Cryptography;
-using Windows.Security.Cryptography.Core;
-using Windows.Storage.Streams;
-
-namespace ModernKeePassLib.Serialization
-{
-    // An adaptor function to provide a stream interface from an IBuffer.
-
-    class CryptoStream : Stream
-    {
-
-        private int m_blockSize = 16 ;
-        private byte[] m_decoded;
-        private IEnumerator<byte> m_enumerator = null;
-
-        public CryptoStream(Stream s, String strAlgName, bool bEncrypt, byte[] pbKey, byte[] pbIV)
-        {
-            IBuffer iv = CryptographicBuffer.CreateFromByteArray(pbIV);
-            SymmetricKeyAlgorithmProvider objAlg = SymmetricKeyAlgorithmProvider.OpenAlgorithm(strAlgName);
-            CryptographicKey key = objAlg.CreateSymmetricKey( CryptographicBuffer.CreateFromByteArray(pbKey) );
-            if (bEncrypt)
-            {
-                Debug.Assert(false, "Not implemented yet");
-            } 
-            else
-            {
-               // For the time being, WinRT CryptographicEngine doesn't support stream decoding. Bummer.
-               // Copy the file to a memory buffer, then decode all at once.
-
-             
-                byte[] block = new byte[s.Length]; // We are not at the beginning of the stream
-                                                   // There is always less than s.Lenght bytes remaining to be read.
-                int readItemCount = s.Read(block, 0, (int) s.Length);
-                Array.Resize(ref block, readItemCount); 
-
-                IBuffer input = CryptographicBuffer.CreateFromByteArray(block);
-                IBuffer decoded = null;
-
-                try
-                {
-                    decoded = CryptographicEngine.Decrypt(key, input, iv);
-                } catch (System.Exception)
-                {
-                    throw new Keys.InvalidCompositeKeyException();
-                }
-                CryptographicBuffer.CopyToByteArray(decoded, out m_decoded);
-                m_enumerator = m_decoded.AsEnumerable().GetEnumerator();
-            }
-        }
-
-
-        public override bool CanRead     { get { return true; } }
-        public override bool CanSeek     { get { return false; } }
-        public override bool CanTimeout  { get { return false; } }
-        public override bool CanWrite    { get { return false; } }
-        public override long Length
-        {
-            get
-            {
-                throw new System.NotSupportedException();
-            }
-        }
-      
-        public override long Position {
-            get
-            {
-                throw new System.NotSupportedException();
-            }
-            set
-            {
-                throw new System.NotSupportedException();
-            }
-        }
-
-
-        public override void Flush()
-        {
-            Debug.Assert(false, "Not yet implemented");
-        }
-
-       
-        public override int Read(byte[] buffer, int offset, int count)
-        {
-            // Exceptions:
-            //   System.ArgumentException:
-            //     The sum of offset and count is larger than the buffer length.
-            //
-            //   System.ArgumentNullException:
-            //     buffer is null.
-            //
-            //   System.ArgumentOutOfRangeException:
-            //     offset or count is negative.
-            //
-            //   System.IO.IOException:
-            //     An I/O error occurs.
-            //
-            //   System.NotSupportedException:
-            //     The stream does not support reading.
-            //
-            //   System.ObjectDisposedException:
-            //     Methods were called after the stream was closed.
-
-            if ((count <0) || (offset <0))
-                throw new System.ArgumentOutOfRangeException();
-            if (buffer == null)
-                throw new System.ArgumentNullException();
-            if (m_enumerator == null)
-                    throw new System.ArgumentNullException();
-
-            for (int i = 0; i < count; i++)
-            {
-                if (!m_enumerator.MoveNext())
-                    return i;
-                buffer[i + offset] = m_enumerator.Current;
-            }
-            return count;
-        }
-   
-        public override long Seek(long offset, SeekOrigin origin)
-        {
-            throw new System.NotSupportedException();
-        }
-
-        public override void SetLength(long value)
-        {
-            throw new System.NotSupportedException();
-        }
-
-        public override void Write(byte[] buffer, int offset, int count)
-        {
-            throw new System.NotSupportedException();
-        }
-
-    }
-}
--- a/ModernKeePassLib/Serialization/FileLock.cs
+++ b/ModernKeePassLib/Serialization/FileLock.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -21,7 +21,11 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using System.IO;
+#if PCL
+using System.Threading.Tasks;
+#else
 using System.Threading;
+#endif
 using System.Diagnostics;

 using ModernKeePassLib.Cryptography;
@@ -41,28 +45,24 @@ namespace ModernKeePassLib.Serialization

 		public FileLockException(string strBaseFile, string strUser)
 		{
-            Debug.Assert(false, "Not yet implemented");
-            return;
-#if TODO
 			StringBuilder sb = new StringBuilder();

 			if(!string.IsNullOrEmpty(strBaseFile))
 			{
 				sb.Append(strBaseFile);
-				sb.Append(MessageService.NewParagraph);
+				sb.Append(Environment.NewLine + Environment.NewLine);
 			}

 			sb.Append(KLRes.FileLockedWrite);
-			sb.Append(MessageService.NewLine);
+			sb.Append(Environment.NewLine);

 			if(!string.IsNullOrEmpty(strUser)) sb.Append(strUser);
 			else sb.Append("?");

-			sb.Append(MessageService.NewParagraph);
+			sb.Append(Environment.NewLine + Environment.NewLine);
 			sb.Append(KLRes.TryAgainSecs);

 			m_strMsg = sb.ToString();
-#endif
 		}
 	}

@@ -124,9 +124,6 @@ namespace ModernKeePassLib.Serialization

 			public static LockFileInfo Load(IOConnectionInfo iocLockFile)
 			{
-                  Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 				Stream s = null;
 				try
 				{
@@ -134,7 +131,7 @@ namespace ModernKeePassLib.Serialization
 					if(s == null) return null;
 					StreamReader sr = new StreamReader(s, StrUtil.Utf8);
 					string str = sr.ReadToEnd();
-					sr.Close();
+					sr.Dispose();
 					if(str == null) { Debug.Assert(false); return null; }

 					str = StrUtil.NormalizeNewLines(str, false);
@@ -146,18 +143,14 @@ namespace ModernKeePassLib.Serialization
 				}
 				catch(FileNotFoundException) { }
 				catch(Exception) { Debug.Assert(false); }
-				finally { if(s != null) s.Close(); }
+				finally { if(s != null) s.Dispose(); }

 				return null;
-#endif
 			}

 			// Throws on error
 			public static LockFileInfo Create(IOConnectionInfo iocLockFile)
 			{
-                Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 				LockFileInfo lfi;
 				Stream s = null;
 				try
@@ -165,7 +158,7 @@ namespace ModernKeePassLib.Serialization
 					byte[] pbID = CryptoRandom.Instance.GetRandomBytes(16);
 					string strTime = TimeUtil.SerializeUtc(DateTime.Now);

-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 					lfi = new LockFileInfo(Convert.ToBase64String(pbID), strTime,
 						Environment.UserName, Environment.MachineName,
 						Environment.UserDomainName);
@@ -175,7 +168,7 @@ namespace ModernKeePassLib.Serialization
 #endif

 					StringBuilder sb = new StringBuilder();
-#if !KeePassLibSD && TODO
+#if !KeePassLibSD
 					sb.AppendLine(LockFileHeader);
 					sb.AppendLine(lfi.ID);
 					sb.AppendLine(strTime);
@@ -197,18 +190,14 @@ namespace ModernKeePassLib.Serialization
 					if(s == null) throw new IOException(iocLockFile.GetDisplayName());
 					s.Write(pbFile, 0, pbFile.Length);
 				}
-				finally { if(s != null) s.Close(); }
+				finally { if(s != null) s.Dispose(); }

 				return lfi;
-#endif
-            }
+			}
 		}

 		public FileLock(IOConnectionInfo iocBaseFile)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return ;
-#if TODO
 			if(iocBaseFile == null) throw new ArgumentNullException("strBaseFile");

 			m_iocLockFile = iocBaseFile.CloneDeep();
@@ -223,7 +212,6 @@ namespace ModernKeePassLib.Serialization
 			}

 			LockFileInfo.Create(m_iocLockFile);
-#endif
 		}

 		~FileLock()
@@ -239,9 +227,6 @@ namespace ModernKeePassLib.Serialization

 		private void Dispose(bool bDisposing)
 		{
-             Debug.Assert(false, "not yet implemented");
-            return ;
-#if TODO
 			if(m_iocLockFile == null) return;

 			bool bFileDeleted = false;
@@ -258,14 +243,18 @@ namespace ModernKeePassLib.Serialization

 				if(bFileDeleted) break;

+#if PCL
+				if(bDisposing)
+					Task.Delay(50).Wait();
+#else
 				if(bDisposing) Thread.Sleep(50);
+#endif
 			}

 			if(bDisposing && !bFileDeleted)
 				IOConnection.DeleteFile(m_iocLockFile); // Possibly with exception

 			m_iocLockFile = null;
-#endif
 		}

 		// private bool OwnLockFile()
--- a/ModernKeePassLib/Serialization/FileTransactionEx.cs
+++ b/ModernKeePassLib/Serialization/FileTransactionEx.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -22,13 +22,8 @@ using System.Collections.Generic;
 using System.Text;
 using System.IO;
 using System.Diagnostics;
-using System.Threading.Tasks;

-// Bert TODO: For now, remove the accesscontrol from this class. 
-// In WinRT, the security of file has changed, and something could potentially be done
-// http://msdn.microsoft.com/en-us/library/windows/desktop/aa364399%28v=vs.85%29.aspx
-
-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 using System.Security.AccessControl;
 #endif

@@ -63,6 +58,16 @@ namespace ModernKeePassLib.Serialization
 			m_bTransacted = bTransacted;
 			m_iocBase = iocBaseFile.CloneDeep();

+// ModernKeePassLib is currently targeting .NET 4.5
+#if !PCL
+			// Prevent transactions for FTP URLs under .NET 4.0 in order to
+			// avoid/workaround .NET bug 621450:
+			// https://connect.microsoft.com/VisualStudio/feedback/details/621450/problem-renaming-file-on-ftp-server-using-ftpwebrequest-in-net-framework-4-0-vs2010-only
+			if(m_iocBase.Path.StartsWith("ftp:", StrUtil.CaseIgnoreCmp) &&
+				(Environment.Version.Major >= 4) && !NativeLib.IsUnix())
+				m_bTransacted = false;
+#endif
+
 			if(m_bTransacted)
 			{
 				m_iocTemp = m_iocBase.CloneDeep();
@@ -71,7 +76,7 @@ namespace ModernKeePassLib.Serialization
 			else m_iocTemp = m_iocBase;
 		}

-		public async Task<Stream> OpenWrite()
+		public Stream OpenWrite()
 		{
 			if(!m_bTransacted) m_bMadeUnhidden = UrlUtil.UnhideFile(m_iocTemp.Path);
 			else // m_bTransacted
@@ -80,7 +85,7 @@ namespace ModernKeePassLib.Serialization
 				catch(Exception) { }
 			}

-			return await IOConnection.OpenWrite(m_iocTemp);
+			return IOConnection.OpenWrite(m_iocTemp);
 		}

 		public void CommitWrite()
@@ -96,14 +101,14 @@ namespace ModernKeePassLib.Serialization
 		{
 			bool bMadeUnhidden = UrlUtil.UnhideFile(m_iocBase.Path);

-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			FileSecurity bkSecurity = null;
 			bool bEfsEncrypted = false;
 #endif

 			if(IOConnection.FileExists(m_iocBase))
 			{
-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 				if(m_iocBase.IsLocalFile())
 				{
 					try
@@ -125,7 +130,7 @@ namespace ModernKeePassLib.Serialization

 			IOConnection.RenameFile(m_iocTemp, m_iocBase);

-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			if(m_iocBase.IsLocalFile())
 			{
 				try
--- a/ModernKeePassLib/Serialization/HashedBlockStream.cs
+++ b/ModernKeePassLib/Serialization/HashedBlockStream.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,19 +19,24 @@

 using System;
 using System.IO;
+#if PCL
+using System.Linq;
+#else
+using System.Security.Cryptography;
+#endif
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
 using System.Text;
-
-using ModernKeePassLib.Native;
+using Windows.Security.Cryptography.Core;
 using ModernKeePassLib.Utility;
-using ModernKeePassLib.Cryptography;

 #if KeePassLibSD
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 namespace ModernKeePassLib.Serialization
 {
-    public sealed class HashedBlockStream : Stream
+	public sealed class HashedBlockStream : Stream
 	{
 		private const int m_nDefaultBufferSize = 1024 * 1024; // 1 MB

@@ -93,12 +98,13 @@ namespace ModernKeePassLib.Serialization
 		private void Initialize(Stream sBaseStream, bool bWriting, int nBufferSize,
 			bool bVerify)
 		{
-			if(sBaseStream == null) throw new ArgumentNullException("sBaseStream");
-			if(nBufferSize < 0) throw new ArgumentOutOfRangeException("nBufferSize");
+            if (sBaseStream == null) throw new ArgumentNullException(nameof(sBaseStream));
+		    m_sBaseStream = sBaseStream;
+            if (nBufferSize < 0)
+                throw new ArgumentOutOfRangeException(nameof(nBufferSize));

-			if(nBufferSize == 0) nBufferSize = m_nDefaultBufferSize;
-
-			m_sBaseStream = sBaseStream;
+			if(nBufferSize == 0)
+                nBufferSize = m_nDefaultBufferSize;
 			m_bWriting = bWriting;
 			m_bVerify = bVerify;

@@ -128,14 +134,20 @@ namespace ModernKeePassLib.Serialization
 			if(m_bWriting) m_bwOutput.Flush();
 		}

-#if TODO
+#if PCL || KeePassRT
+		protected override void Dispose(bool disposing)
+		{
+			if(!disposing) return;
+#else
 		public override void Close()
 		{
+#endif
 			if(m_sBaseStream != null)
 			{
 				if(m_bWriting == false) // Reading mode
 				{
-					m_brInput.Close();
+                    try { m_brInput.Dispose(); } catch { }
+
 					m_brInput = null;
 				}
 				else // Writing mode
@@ -149,15 +161,14 @@ namespace ModernKeePassLib.Serialization
 					}

 					Flush();
-					m_bwOutput.Close();
+					m_bwOutput.Dispose();
 					m_bwOutput = null;
 				}

-				m_sBaseStream.Close();
+                try { m_sBaseStream.Dispose(); } catch { }
 				m_sBaseStream = null;
 			}
 		}
-#endif

 		public override long Seek(long lOffset, SeekOrigin soOrigin)
 		{
@@ -210,11 +221,11 @@ namespace ModernKeePassLib.Serialization
 				throw new InvalidDataException();

 			int nBufferSize = 0;
-			try { nBufferSize = m_brInput.ReadInt32(); }
+			/*try {*/ nBufferSize = m_brInput.ReadInt32(); /*}
 			catch(NullReferenceException) // Mono bug workaround (LaunchPad 783268)
 			{
 				if(!NativeLib.IsUnix()) throw;
-			}
+			}*/

 			if(nBufferSize < 0)
 				throw new InvalidDataException();
@@ -238,17 +249,22 @@ namespace ModernKeePassLib.Serialization

 			if(m_bVerify)
 			{
-				byte[] pbComputedHash = SHA256Managed.Instance.ComputeHash(m_pbBuffer);
+#if PCL
+				var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+				var pbComputedHash = sha256.HashData(m_pbBuffer.AsBuffer()).ToArray();
+#else
+				SHA256Managed sha256 = new SHA256Managed();
+				byte[] pbComputedHash = sha256.ComputeHash(m_pbBuffer);
+#endif
 				if((pbComputedHash == null) || (pbComputedHash.Length != 32))
 					throw new InvalidOperationException();
-
+                
 				for(int iHashPos = 0; iHashPos < 32; ++iHashPos)
 				{
 					if(pbStoredHash[iHashPos] != pbComputedHash[iHashPos])
 						throw new InvalidDataException();
 				}
-            }
-
+			}

 			return true;
 		}
@@ -275,14 +291,16 @@ namespace ModernKeePassLib.Serialization

 		private void WriteHashedBlock()
 		{
-            Debug.Assert(false, "not yet implemented");
-            return ;
-#if TODO
 			m_bwOutput.Write(m_uBufferIndex);
 			++m_uBufferIndex;

 			if(m_nBufferPos > 0)
 			{
+#if PCL
+				var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+				var pbHash = sha256.HashData(m_pbBuffer.Where((x, i) => i < m_nBufferPos).ToArray().AsBuffer()).ToArray();
+#else
+
 				SHA256Managed sha256 = new SHA256Managed();

 #if !KeePassLibSD
@@ -297,6 +315,8 @@ namespace ModernKeePassLib.Serialization
 					Array.Copy(m_pbBuffer, 0, pbData, 0, m_nBufferPos);
 					pbHash = sha256.ComputeHash(pbData);
 				}
+#endif
+
 #endif

 				m_bwOutput.Write(pbHash);
@@ -315,7 +335,6 @@ namespace ModernKeePassLib.Serialization
 				m_bwOutput.Write(m_pbBuffer, 0, m_nBufferPos);

 			m_nBufferPos = 0;
-#endif
 		}
 	}
 }
--- a/ModernKeePassLib/Serialization/IOConnection.cs
+++ b/ModernKeePassLib/Serialization/IOConnection.cs
@@ -1,12 +1,13 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

+
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -18,27 +19,32 @@
 */

 using System;
-using System.Net;
-using System.Net.Http;
-using System.Threading.Tasks;
+using System.Collections.Generic;
+using System.Text;
 using System.IO;
+using System.Net;
+using System.Reflection;
+using System.Diagnostics;

-using Windows.Storage.Streams;
-using Windows.Storage;
-// BERT TODO: For the time being, the web functionality is not available for WinRT
-
-
-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 using System.Net.Cache;
 using System.Net.Security;
 #endif

+#if !PCL && !KeePassRT
+using System.Security.Cryptography.X509Certificates;
+#endif
+
+#if PCL
+using Windows.Storage;
+#endif
+
 using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Serialization
 {
-#if !KeePassLibSD && false
-	public sealed class IOWebClient : HttpClient
+#if (!PCL && !KeePassLibSD && !KeePassRT)
+	internal sealed class IOWebClient : WebClient
 	{
 		protected override WebRequest GetWebRequest(Uri address)
 		{
@@ -49,14 +55,192 @@ namespace ModernKeePassLib.Serialization
 	}
 #endif

-    public class IOConnection
+#if !PCL
+	internal abstract class WrapperStream : Stream
 	{
-#if !KeePassLibSD && TODO
+		private readonly Stream m_s;
+		protected Stream BaseStream
+		{
+			get { return m_s; }
+		}
+
+		public override bool CanRead
+		{
+			get { return m_s.CanRead; }
+		}
+
+		public override bool CanSeek
+		{
+			get { return m_s.CanSeek; }
+		}
+
+		public override bool CanTimeout
+		{
+			get { return m_s.CanTimeout; }
+		}
+
+		public override bool CanWrite
+		{
+			get { return m_s.CanWrite; }
+		}
+
+		public override long Length
+		{
+			get { return m_s.Length; }
+		}
+
+		public override long Position
+		{
+			get { return m_s.Position; }
+			set { m_s.Position = value; }
+		}
+
+		public override int ReadTimeout
+		{
+			get { return m_s.ReadTimeout; }
+			set { m_s.ReadTimeout = value; }
+		}
+
+		public override int WriteTimeout
+		{
+			get { return m_s.WriteTimeout; }
+			set { m_s.WriteTimeout = value; }
+		}
+
+		public WrapperStream(Stream sBase) : base()
+		{
+			if(sBase == null) throw new ArgumentNullException("sBase");
+
+			m_s = sBase;
+		}
+
+		public override IAsyncResult BeginRead(byte[] buffer, int offset,
+			int count, AsyncCallback callback, object state)
+		{
+			return m_s.BeginRead(buffer, offset, count, callback, state);
+		}
+
+		public override IAsyncResult BeginWrite(byte[] buffer, int offset,
+			int count, AsyncCallback callback, object state)
+		{
+			return BeginWrite(buffer, offset, count, callback, state);
+		}
+
+		public override void Close()
+		{
+			m_s.Close();
+		}
+
+		public override int EndRead(IAsyncResult asyncResult)
+		{
+			return m_s.EndRead(asyncResult);
+		}
+
+		public override void EndWrite(IAsyncResult asyncResult)
+		{
+			m_s.EndWrite(asyncResult);
+		}
+
+		public override void Flush()
+		{
+			m_s.Flush();
+		}
+
+		public override int Read(byte[] buffer, int offset, int count)
+		{
+			return m_s.Read(buffer, offset, count);
+		}
+
+		public override int ReadByte()
+		{
+			return m_s.ReadByte();
+		}
+
+		public override long Seek(long offset, SeekOrigin origin)
+		{
+			return m_s.Seek(offset, origin);
+		}
+
+		public override void SetLength(long value)
+		{
+			m_s.SetLength(value);
+		}
+
+		public override void Write(byte[] buffer, int offset, int count)
+		{
+			m_s.Write(buffer, offset, count);
+		}
+
+		public override void WriteByte(byte value)
+		{
+			m_s.WriteByte(value);
+		}
+	}
+
+	internal sealed class IocStream : WrapperStream
+	{
+		private readonly bool m_bWrite; // Initially opened for writing
+
+		public IocStream(Stream sBase) : base(sBase)
+		{
+			m_bWrite = sBase.CanWrite;
+		}
+
+		public override void Close()
+		{
+			base.Close();
+
+			if(MonoWorkarounds.IsRequired(10163) && m_bWrite)
+			{
+				try
+				{
+					Stream s = this.BaseStream;
+					Type t = s.GetType();
+					if(t.Name == "WebConnectionStream")
+					{
+						PropertyInfo pi = t.GetProperty("Request",
+							BindingFlags.Instance | BindingFlags.NonPublic);
+						if(pi != null)
+						{
+							WebRequest wr = (pi.GetValue(s, null) as WebRequest);
+							if(wr != null)
+								IOConnection.DisposeResponse(wr.GetResponse(), false);
+							else { Debug.Assert(false); }
+						}
+						else { Debug.Assert(false); }
+					}
+				}
+				catch(Exception) { Debug.Assert(false); }
+			}
+		}
+
+		public static Stream WrapIfRequired(Stream s)
+		{
+			if(s == null) { Debug.Assert(false); return null; }
+
+			if(MonoWorkarounds.IsRequired(10163) && s.CanWrite)
+				return new IocStream(s);
+
+			return s;
+		}
+	}
+#endif
+
+	public static class IOConnection
+	{
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 		private static ProxyServerType m_pstProxyType = ProxyServerType.System;
 		private static string m_strProxyAddr = string.Empty;
 		private static string m_strProxyPort = string.Empty;
 		private static string m_strProxyUserName = string.Empty;
 		private static string m_strProxyPassword = string.Empty;
+
+		private static bool m_bSslCertsAcceptInvalid = false;
+		internal static bool SslCertsAcceptInvalid
+		{
+			// get { return m_bSslCertsAcceptInvalid; }
+			set { m_bSslCertsAcceptInvalid = value; }
+		}
 #endif

 		// Web request methods
@@ -66,16 +250,18 @@ namespace ModernKeePassLib.Serialization
 		// Web request headers
 		public const string WrhMoveFileTo = "MoveFileTo";

-#if !KeePassLibSD && TODO
+		public static event EventHandler<IOAccessEventArgs> IOAccessPre;
+
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 		// Allow self-signed certificates, expired certificates, etc.
-		private static bool ValidateServerCertificate(object sender,
+		private static bool AcceptCertificate(object sender,
 			X509Certificate certificate, X509Chain chain,
 			SslPolicyErrors sslPolicyErrors)
 		{
 			return true;
 		}

-		public static void SetProxy(ProxyServerType pst, string strAddr,
+		internal static void SetProxy(ProxyServerType pst, string strAddr,
 			string strPort, string strUserName, string strPassword)
 		{
 			m_pstProxyType = pst;
@@ -185,12 +371,27 @@ namespace ModernKeePassLib.Serialization

 		private static void PrepareWebAccess()
 		{
-			ServicePointManager.ServerCertificateValidationCallback =
-				ValidateServerCertificate;
+			if(m_bSslCertsAcceptInvalid)
+				ServicePointManager.ServerCertificateValidationCallback =
+					IOConnection.AcceptCertificate;
+			else
+				ServicePointManager.ServerCertificateValidationCallback = null;
 		}

+		private static IOWebClient CreateWebClient(IOConnectionInfo ioc)
+		{
+			PrepareWebAccess();

+			IOWebClient wc = new IOWebClient();
+			ConfigureWebClient(wc);

+			if((ioc.UserName.Length > 0) || (ioc.Password.Length > 0))
+				wc.Credentials = new NetworkCredential(ioc.UserName, ioc.Password);
+			else if(NativeLib.IsUnix()) // Mono requires credentials
+				wc.Credentials = new NetworkCredential("anonymous", string.Empty);
+
+			return wc;
+		}

 		private static WebRequest CreateWebRequest(IOConnectionInfo ioc)
 		{
@@ -206,122 +407,124 @@ namespace ModernKeePassLib.Serialization

 			return req;
 		}
-#endif

-        private async Task<Stream> OpenReadHttp(IOConnectionInfo ioc)
-        {
-
-            // TODO: Configure the httpClient
-            // PrepareWebAccess();         
-            // ConfigureWebClient(wc);
-
-            HttpClient hc = new HttpClient();
-            HttpResponseMessage response = await hc.GetAsync(ioc.Path);
-            response.EnsureSuccessStatusCode();
-
-            // Read content into buffer
-            // Not the most efficient thing to do,
-            // but simplifies our life by allowing to use stream.length later on.
-            await response.Content.LoadIntoBufferAsync();
-            return await response.Content.ReadAsStreamAsync();
-#if false
-			if((ioc.UserName.Length > 0) || (ioc.Password.Length > 0))
-				wc.Credentials = new NetworkCredential(ioc.UserName, ioc.Password);
-			else if(NativeLib.IsUnix()) // Mono requires credentials
-				wc.Credentials = new NetworkCredential("anonymous", string.Empty);
-#endif
-        }
-
-
-		public async Task<Stream> OpenRead(IOConnectionInfo ioc)
+		public static Stream OpenRead(IOConnectionInfo ioc)
 		{
+			RaiseIOAccessPreEvent(ioc, IOAccessType.Read);
+
 			if(StrUtil.IsDataUri(ioc.Path))
 			{
 				byte[] pbData = StrUtil.DataUriToData(ioc.Path);
 				if(pbData != null) return new MemoryStream(pbData, false);
 			}

-			if(ioc.IsLocalFile()) return await OpenReadLocal(ioc);
+			if(ioc.IsLocalFile()) return OpenReadLocal(ioc);

-
-            return await OpenReadHttp(ioc);
-        }
-
-
-		private async Task<Stream> OpenReadLocal(IOConnectionInfo ioc)
+			return IocStream.WrapIfRequired(CreateWebClient(ioc).OpenRead(
+				new Uri(ioc.Path)));
+		}
+#else
+		public static Stream OpenRead(IOConnectionInfo ioc)
 		{
-            try
-            {
-                IRandomAccessStream stream = await ioc.StorageFile.OpenAsync(FileAccessMode.Read);
-                return stream.AsStream();
-            }
-            catch (Exception ex)
-            {
-                Debug.Assert(false, ex.Message);
-                return null;
-            }
+			RaiseIOAccessPreEvent(ioc, IOAccessType.Read);
+
+			return OpenReadLocal(ioc);
+		}
+#endif
+
+		private static Stream OpenReadLocal(IOConnectionInfo ioc)
+		{
+#if PCL
+            /*var file = FileSystem.Current.GetFileFromPathAsync(ioc.Path).Result;
+			return file.OpenAsync(PCLStorage.FileAccess.Read).Result;*/
+		    return ioc.StorageFile.OpenAsync(FileAccessMode.Read).GetResults().AsStream();
+#else
+			return new FileStream(ioc.Path, FileMode.Open, FileAccess.Read,
+				FileShare.Read);
+#endif
 		}

-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 		public static Stream OpenWrite(IOConnectionInfo ioc)
 		{
 			if(ioc == null) { Debug.Assert(false); return null; }

+			RaiseIOAccessPreEvent(ioc, IOAccessType.Write);
+
 			if(ioc.IsLocalFile()) return OpenWriteLocal(ioc);

 			Uri uri = new Uri(ioc.Path);
+			Stream s;

 			// Mono does not set HttpWebRequest.Method to POST for writes,
 			// so one needs to set the method to PUT explicitly
 			if(NativeLib.IsUnix() && (uri.Scheme.Equals(Uri.UriSchemeHttp,
 				StrUtil.CaseIgnoreCmp) || uri.Scheme.Equals(Uri.UriSchemeHttps,
 				StrUtil.CaseIgnoreCmp)))
-				return CreateWebClient(ioc).OpenWrite(uri, WebRequestMethods.Http.Put);
+				s = CreateWebClient(ioc).OpenWrite(uri, WebRequestMethods.Http.Put);
+			else s = CreateWebClient(ioc).OpenWrite(uri);

-			return CreateWebClient(ioc).OpenWrite(uri);
+			return IocStream.WrapIfRequired(s);
 		}
 #else
-		public static async Task<Stream> OpenWrite(IOConnectionInfo ioc)
+		public static Stream OpenWrite(IOConnectionInfo ioc)
 		{
-			return await OpenWriteLocal(ioc);
+			RaiseIOAccessPreEvent(ioc, IOAccessType.Write);
+
+			return OpenWriteLocal(ioc);
 		}
 #endif

-		private static async Task<Stream> OpenWriteLocal(IOConnectionInfo ioc)
+		private static Stream OpenWriteLocal(IOConnectionInfo ioc)
 		{
-            try
-            {
-                IRandomAccessStream stream = await ioc.StorageFile.OpenAsync(FileAccessMode.ReadWrite);
-                return stream.AsStream();
-            }
-            catch (Exception ex)
-            {
-                Debug.Assert(false, ex.Message);
-                return null;
-            }
-		}
+#if PCL
+		    return ioc.StorageFile.OpenAsync(FileAccessMode.ReadWrite).GetResults().AsStream();
+            /*var file = FileSystem.Current.GetFileFromPathAsync(ioc.Path).Result;
+			return file.OpenAsync(FileAccess.ReadAndWrite).Result;*/
+#else
+			return new FileStream(ioc.Path, FileMode.Create, FileAccess.Write,
+				FileShare.None);
+#endif
+        }

 		public static bool FileExists(IOConnectionInfo ioc)
 		{
-			//return FileExists(ioc, false);
-		    return true;
+			return FileExists(ioc, false);
 		}

-		/*public static bool FileExists(IOConnectionInfo ioc, bool bThrowErrors)
-        {
+		public static bool FileExists(IOConnectionInfo ioc, bool bThrowErrors)
+		{
 			if(ioc == null) { Debug.Assert(false); return false; }

-			if(ioc.IsLocalFile()) return ioc.StorageFile.IsAvailable;
+			RaiseIOAccessPreEvent(ioc, IOAccessType.Exists);
+
+#if PCL
+			if(ioc.IsLocalFile())
+				return ioc.StorageFile.IsAvailable;
+#else
+			if(ioc.IsLocalFile()) return File.Exists(ioc.Path);
+#endif
+
+#if (!PCL && !KeePassLibSD && !KeePassRT)
+			if(ioc.Path.StartsWith("ftp://", StrUtil.CaseIgnoreCmp))
+			{
+				bool b = SendCommand(ioc, WebRequestMethods.Ftp.GetDateTimestamp);
+				if(!b && bThrowErrors) throw new InvalidOperationException();
+				return b;
+			}
+#endif

 			try
 			{
 				Stream s = OpenRead(ioc);
 				if(s == null) throw new FileNotFoundException();

-				// For FTP clients we called RETR to get the file, but we never
-				// followed-up and downloaded the file; close may produce a
-				// 550 error -- that's okay
-				try { s.Close(); }
+				try { s.ReadByte(); }
+				catch(Exception) { }
+
+				// We didn't download the file completely; close may throw
+				// an exception -- that's okay
+				try { s.Dispose(); }
 				catch(Exception) { }
 			}
 			catch(Exception)
@@ -331,19 +534,29 @@ namespace ModernKeePassLib.Serialization
 			}

 			return true;
-		}*/
+		}

-		public static async void DeleteFile(IOConnectionInfo ioc)
+		public static void DeleteFile(IOConnectionInfo ioc)
 		{
-			if(ioc.IsLocalFile()) { await ioc.StorageFile.DeleteAsync(StorageDeleteOption.Default);
-			}
+			RaiseIOAccessPreEvent(ioc, IOAccessType.Delete);

-#if !KeePassLibSD && TODO
+#if PCL
+			if(ioc.IsLocalFile()) {
+				/*var file = FileSystem.Current.GetFileFromPathAsync(ioc.Path).Result;
+				file.DeleteAsync().RunSynchronously();*/
+                ioc.StorageFile.DeleteAsync(StorageDeleteOption.Default).GetResults();
+			}
+#else
+			if(ioc.IsLocalFile()) { File.Delete(ioc.Path); return; }
+#endif
+
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			WebRequest req = CreateWebRequest(ioc);
 			if(req != null)
 			{
 				if(req is HttpWebRequest) req.Method = "DELETE";
-				else if(req is FtpWebRequest) req.Method = WebRequestMethods.Ftp.DeleteFile;
+				else if(req is FtpWebRequest)
+					req.Method = WebRequestMethods.Ftp.DeleteFile;
 				else if(req is FileWebRequest)
 				{
 					File.Delete(UrlUtil.FileUrlToPath(ioc.Path));
@@ -365,11 +578,22 @@ namespace ModernKeePassLib.Serialization
 		/// </summary>
 		/// <param name="iocFrom">Source file path.</param>
 		/// <param name="iocTo">Target file path.</param>
-		public static async void RenameFile(IOConnectionInfo iocFrom, IOConnectionInfo iocTo)
+		public static void RenameFile(IOConnectionInfo iocFrom, IOConnectionInfo iocTo)
 		{
-			if(iocFrom.IsLocalFile()) { await iocTo.StorageFile.RenameAsync(iocTo.Path, NameCollisionOption.GenerateUniqueName); }
+			RaiseIOAccessPreEvent(iocFrom, iocTo, IOAccessType.Move);

-#if !KeePassLibSD && TODO
+#if PCL
+			if(iocFrom.IsLocalFile()) {
+				/*var file = FileSystem.Current.GetFileFromPathAsync(iocFrom.Path).Result;
+				file.MoveAsync(iocTo.Path).RunSynchronously();*/
+                iocFrom.StorageFile.RenameAsync(iocTo.Path).GetResults();
+				return;
+			}
+#else
+			if(iocFrom.IsLocalFile()) { File.Move(iocFrom.Path, iocTo.Path); return; }
+#endif
+
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			WebRequest req = CreateWebRequest(iocFrom);
 			if(req != null)
 			{
@@ -381,7 +605,13 @@ namespace ModernKeePassLib.Serialization
 				else if(req is FtpWebRequest)
 				{
 					req.Method = WebRequestMethods.Ftp.Rename;
-					((FtpWebRequest)req).RenameTo = UrlUtil.GetFileName(iocTo.Path);
+					string strTo = UrlUtil.GetFileName(iocTo.Path);
+
+					// We're affected by .NET bug 621450:
+					// https://connect.microsoft.com/VisualStudio/feedback/details/621450/problem-renaming-file-on-ftp-server-using-ftpwebrequest-in-net-framework-4-0-vs2010-only
+					// Prepending "./", "%2E/" or "Dummy/../" doesn't work.
+
+					((FtpWebRequest)req).RenameTo = strTo;
 				}
 				else if(req is FileWebRequest)
 				{
@@ -412,11 +642,23 @@ namespace ModernKeePassLib.Serialization
 			// DeleteFile(iocFrom);
 		}

-		private static void DisposeResponse(WebResponse wr, bool bGetStream)
+#if (!PCL && !KeePassLibSD && !KeePassRT)
+		private static bool SendCommand(IOConnectionInfo ioc, string strMethod)
+		{
+			try
+			{
+				WebRequest req = CreateWebRequest(ioc);
+				req.Method = strMethod;
+				DisposeResponse(req.GetResponse(), true);
+			}
+			catch(Exception) { return false; }
+
+			return true;
+		}
+#endif
+
+		internal static void DisposeResponse(WebResponse wr, bool bGetStream)
 		{
-            Debug.Assert(false, "Not implemented yet");
-            return;
-#if TODO
 			if(wr == null) return;

 			try
@@ -424,12 +666,12 @@ namespace ModernKeePassLib.Serialization
 				if(bGetStream)
 				{
 					Stream s = wr.GetResponseStream();
-					if(s != null) s.Close();
+					if(s != null) s.Dispose();
 				}
 			}
 			catch(Exception) { Debug.Assert(false); }

-			try { wr.Close(); }
+			try { wr.Dispose(); }
 			catch(Exception) { Debug.Assert(false); }
 		}

@@ -450,12 +692,30 @@ namespace ModernKeePassLib.Serialization
 			catch(Exception) { }
 			finally
 			{
-				if(sIn != null) sIn.Close();
-				if(ms != null) ms.Close();
+				if(sIn != null) sIn.Dispose();
+				if(ms != null) ms.Dispose();
 			}

 			return null;
-#endif
-        }
+		}
+
+		private static void RaiseIOAccessPreEvent(IOConnectionInfo ioc, IOAccessType t)
+		{
+			RaiseIOAccessPreEvent(ioc, null, t);
+		}
+
+		private static void RaiseIOAccessPreEvent(IOConnectionInfo ioc,
+			IOConnectionInfo ioc2, IOAccessType t)
+		{
+			if(ioc == null) { Debug.Assert(false); return; }
+			// ioc2 may be null
+
+			if(IOConnection.IOAccessPre != null)
+			{
+				IOConnectionInfo ioc2Lcl = ((ioc2 != null) ? ioc2.CloneDeep() : null);
+				IOAccessEventArgs e = new IOAccessEventArgs(ioc.CloneDeep(), ioc2Lcl, t);
+				IOConnection.IOAccessPre(null, e);
+			}
+		}
 	}
 }
--- a/ModernKeePassLib/Serialization/IOConnectionInfo.cs
+++ b/ModernKeePassLib/Serialization/IOConnectionInfo.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -23,11 +23,15 @@ using System.Text;
 using System.IO;
 using System.Net;
 using System.ComponentModel;
+using System.Xml.Serialization;
 using System.Diagnostics;

+#if PCL
+using Windows.Storage;
+#endif
+
 using ModernKeePassLib.Interfaces;
 using ModernKeePassLib.Utility;
-using Windows.Storage;

 namespace ModernKeePassLib.Serialization
 {
@@ -65,7 +69,7 @@ namespace ModernKeePassLib.Serialization
 	{
        // private IOFileFormatHint m_ioHint = IOFileFormatHint.None;

-        public StorageFile StorageFile { get; set; }
+	    public StorageFile StorageFile { get; set; }

        private string m_strUrl = string.Empty;
 		public string Path
@@ -122,6 +126,14 @@ namespace ModernKeePassLib.Serialization
 			set { m_ioCredSaveMode = value; }
 		}

+		private bool m_bComplete = false;
+		[XmlIgnore]
+		public bool IsComplete // Credentials etc. fully specified
+		{
+			get { return m_bComplete; }
+			set { m_bComplete = value; }
+		}
+
 		/* public IOFileFormatHint FileFormatHint
 		{
 			get { return m_ioHint; }
@@ -133,11 +145,17 @@ namespace ModernKeePassLib.Serialization
 			return (IOConnectionInfo)this.MemberwiseClone();
 		}

+#if DEBUG // For debugger display only
+		public override string ToString()
+		{
+			return GetDisplayName();
+		}
+#endif
+
 		/*
 		/// <summary>
 		/// Serialize the current connection info to a string. Credentials
-		/// are only serialized if the <c>SaveCredentials</c> property
-		/// is <c>true</c>.
+		/// are serialized based on the <c>CredSaveMode</c> property.
 		/// </summary>
 		/// <param name="iocToCompile">Input object to be serialized.</param>
 		/// <returns>Serialized object as string.</returns>
@@ -149,31 +167,9 @@ namespace ModernKeePassLib.Serialization
 			string strUrl = iocToCompile.Path;
 			string strUser = TransformUnreadable(iocToCompile.UserName, true);
 			string strPassword = TransformUnreadable(iocToCompile.Password, true);
-			string strAll = strUrl + strUser + strPassword;
-			char chSep = char.MinValue;
-
-			char[] vPrefSeps = new char[]{ '@', '#', '!', '$', '*' };
-			foreach(char ch in vPrefSeps)
-			{
-				if(strAll.IndexOf(ch) < 0)
-				{
-					chSep = ch;
-					break;
-				}
-			}
-
-			if(chSep == char.MinValue)
-			{
-				for(char chEnum = '!'; chEnum < char.MaxValue; ++chEnum)
-				{
-					if(strAll.IndexOf(chEnum) < 0)
-					{
-						chSep = chEnum;
-						break;
-					}
-				}
-			}

+			string strAll = strUrl + strUser + strPassword + "CUN";
+			char chSep = StrUtil.GetUnusedChar(strAll);
 			if(chSep == char.MinValue) throw new FormatException();

 			StringBuilder sb = new StringBuilder();
@@ -279,7 +275,7 @@ namespace ModernKeePassLib.Serialization
 			string str = m_strUrl;

 			if(m_strUser.Length > 0)
-				str += @": " + m_strUser;
+				str += " (" + m_strUser + ")";

 			return str;
 		}
@@ -299,30 +295,33 @@ namespace ModernKeePassLib.Serialization
 			return ioc;
 		}

-        public static IOConnectionInfo FromFile(StorageFile file)
-        {
-            IOConnectionInfo ioc = new IOConnectionInfo();
+	    public static IOConnectionInfo FromFile(StorageFile file)
+	    {
+	        IOConnectionInfo ioc = new IOConnectionInfo();

-            ioc.Path = file.Path;
-            ioc.CredSaveMode = IOCredSaveMode.NoSave;
-            ioc.StorageFile = file;
+	        ioc.Path = file.Path;
+	        ioc.CredSaveMode = IOCredSaveMode.NoSave;
+	        ioc.StorageFile = file;

-            return ioc;
-        }
+	        return ioc;
+	    }

-        public bool CanProbablyAccess()
+
+	    public bool CanProbablyAccess()
 		{
-            Debug.Assert(false, "not yet implemented");
-            return false;
-#if TODO
+#if PCL
+			if(IsLocalFile())
+				return (StorageFile.IsAvailable);
+#else
 			if(IsLocalFile()) return File.Exists(m_strUrl);
+#endif

 			return true;
-#endif
 		}

 		public bool IsLocalFile()
 		{
+			// Not just ":/", see e.g. AppConfigEx.ChangePathRelAbs
 			return (m_strUrl.IndexOf(@"://") < 0);
 		}

@@ -355,15 +354,5 @@ namespace ModernKeePassLib.Serialization
 				m_ioCredProtMode = IOCredProtMode.None;
 			}
 		}
-
-        public override bool Equals(object obj)
-        {
-            if (!(obj is IOConnectionInfo)) return false;
-            IOConnectionInfo ioc = obj as IOConnectionInfo;
-            if (ioc.Path != this.Path) return false;
-            if (ioc.UserName != this.UserName) return false;
-            if (ioc.Password != this.Password) return false;
-            return true;
-        }
 	}
 }
--- a/ModernKeePassLib/Serialization/KdbxFile.Read.Streamed.cs
+++ b/ModernKeePassLib/Serialization/KdbxFile.Read.Streamed.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,17 +19,27 @@

 using System;
 using System.Collections.Generic;
-//using System.Drawing;
+using System.Text;
+using System.Security;
 using System.Xml;
 using System.IO;
+using System.Diagnostics;
+
+using ModernKeePassLib;
 using ModernKeePassLib.Collections;
+using ModernKeePassLib.Cryptography;
+using ModernKeePassLib.Cryptography.Cipher;
 using ModernKeePassLib.Interfaces;
+using ModernKeePassLib.Resources;
 using ModernKeePassLib.Security;
 using ModernKeePassLib.Utility;

 namespace ModernKeePassLib.Serialization
 {
-    public sealed partial class Kdb4File
+	/// <summary>
+	/// Serialization to KeePass KDBX files.
+	/// </summary>
+	public sealed partial class KdbxFile
 	{
 		private enum KdbContext
 		{
@@ -88,13 +98,17 @@ namespace ModernKeePassLib.Serialization
 			xrs.IgnoreProcessingInstructions = true;
 			xrs.IgnoreWhitespace = true;

-#if !KeePassLibSD && TODO
+#if !PCL
+			// these are default values, so no need to set them
+#if !KeePassRT
+#if !KeePassLibSD
 			xrs.ProhibitDtd = true;
 #endif
-
-#if TODO
 			xrs.ValidationType = ValidationType.None;
 #endif
+
+#endif
+
 			return xrs;
 		}

@@ -199,6 +213,17 @@ namespace ModernKeePassLib.Serialization
 				case KdbContext.Meta:
 					if(xr.Name == ElemGenerator)
 						ReadString(xr); // Ignore
+					else if(xr.Name == ElemHeaderHash)
+					{
+						string strHash = ReadString(xr);
+						if(!string.IsNullOrEmpty(strHash) && (m_pbHashOfHeader != null) &&
+							!m_bRepairMode)
+						{
+							byte[] pbHash = Convert.FromBase64String(strHash);
+							if(!MemUtil.ArraysEqual(pbHash, m_pbHashOfHeader))
+								throw new IOException(KLRes.FileCorrupted);
+						}
+					}
 					else if(xr.Name == ElemDbName)
 						m_pwDatabase.Name = ReadString(xr);
 					else if(xr.Name == ElemDbNameChanged)
@@ -216,10 +241,8 @@ namespace ModernKeePassLib.Serialization
 					else if(xr.Name == ElemDbColor)
 					{
 						string strColor = ReadString(xr);
-#if TODO
-						if(!string.IsNullOrEmpty(strColor))
-							m_pwDatabase.Color = ColorTranslator.FromHtml(strColor);
-#endif
+						/*if(!string.IsNullOrEmpty(strColor))
+							m_pwDatabase.Color = ColorTranslator.FromHtml(strColor);*/
 					}
 					else if(xr.Name == ElemDbKeyChanged)
 						m_pwDatabase.MasterKeyChanged = ReadTime(xr);
@@ -390,19 +413,14 @@ namespace ModernKeePassLib.Serialization
 					else if(xr.Name == ElemFgColor)
 					{
 						string strColor = ReadString(xr);
-#if TODO
-						if(!string.IsNullOrEmpty(strColor))
-							m_ctxEntry.ForegroundColor = ColorTranslator.FromHtml(strColor);
-#endif
+						/*if(!string.IsNullOrEmpty(strColor))
+							m_ctxEntry.ForegroundColor = ColorTranslator.FromHtml(strColor);*/
 					}
 					else if(xr.Name == ElemBgColor)
 					{
-
 						string strColor = ReadString(xr);
-#if TODO
-						if(!string.IsNullOrEmpty(strColor))
-							m_ctxEntry.BackgroundColor = ColorTranslator.FromHtml(strColor);
-#endif
+						/*if(!string.IsNullOrEmpty(strColor))
+							m_ctxEntry.BackgroundColor = ColorTranslator.FromHtml(strColor);*/
 					}
 					else if(xr.Name == ElemOverrideUrl)
 						m_ctxEntry.OverrideUrl = ReadString(xr);
@@ -436,10 +454,10 @@ namespace ModernKeePassLib.Serialization
 						(ITimeLogger)m_ctxGroup : (ITimeLogger)m_ctxEntry);
 					Debug.Assert(tl != null);

-					if(xr.Name == ElemLastModTime)
-						tl.LastModificationTime = ReadTime(xr);
-					else if(xr.Name == ElemCreationTime)
+					if(xr.Name == ElemCreationTime)
 						tl.CreationTime = ReadTime(xr);
+					else if(xr.Name == ElemLastModTime)
+						tl.LastModificationTime = ReadTime(xr);
 					else if(xr.Name == ElemLastAccessTime)
 						tl.LastAccessTime = ReadTime(xr);
 					else if(xr.Name == ElemExpiryTime)
@@ -545,7 +563,8 @@ namespace ModernKeePassLib.Serialization
 				return KdbContext.Meta;
 			else if((ctx == KdbContext.CustomIcon) && (xr.Name == ElemCustomIconItem))
 			{
-				if((m_uuidCustomIconID != PwUuid.Zero) && (m_pbCustomIconData != null))
+				if(!m_uuidCustomIconID.Equals(PwUuid.Zero) &&
+					(m_pbCustomIconData != null))
 					m_pwDatabase.CustomIcons.Add(new PwCustomIcon(
 						m_uuidCustomIconID, m_pbCustomIconData));
 				else { Debug.Assert(false); }
@@ -572,7 +591,7 @@ namespace ModernKeePassLib.Serialization
 			}
 			else if((ctx == KdbContext.Group) && (xr.Name == ElemGroup))
 			{
-				if(PwUuid.Zero.EqualsValue(m_ctxGroup.Uuid))
+				if(PwUuid.Zero.Equals(m_ctxGroup.Uuid))
 					m_ctxGroup.Uuid = new PwUuid(true); // No assert (import)

 				m_ctxGroups.Pop();
@@ -593,7 +612,7 @@ namespace ModernKeePassLib.Serialization
 			else if((ctx == KdbContext.Entry) && (xr.Name == ElemEntry))
 			{
 				// Create new UUID if absent
-				if(PwUuid.Zero.EqualsValue(m_ctxEntry.Uuid))
+				if(PwUuid.Zero.Equals(m_ctxEntry.Uuid))
 					m_ctxEntry.Uuid = new PwUuid(true); // No assert (import)

 				if(m_bEntryInHistory)
@@ -670,13 +689,21 @@ namespace ModernKeePassLib.Serialization
 			}

 			m_bReadNextNode = false; // ReadElementString skips end tag
+#if PCL
 			return xr.ReadElementContentAsString();
+#else
+			return xr.ReadElementString();
+#endif
 		}

 		private string ReadStringRaw(XmlReader xr)
 		{
 			m_bReadNextNode = false; // ReadElementString skips end tag
-            return xr.ReadElementContentAsString();
+#if PCL
+			return xr.ReadElementContentAsString();
+#else
+			return xr.ReadElementString();
+#endif
 		}

 		private bool ReadBool(XmlReader xr, bool bDefault)
@@ -701,6 +728,9 @@ namespace ModernKeePassLib.Serialization
 			string str = ReadString(xr);

 			int n;
+			if(StrUtil.TryParseIntInvariant(str, out n)) return n;
+
+			// Backward compatibility
 			if(StrUtil.TryParseInt(str, out n)) return n;

 			Debug.Assert(false);
@@ -712,6 +742,9 @@ namespace ModernKeePassLib.Serialization
 			string str = ReadString(xr);

 			uint u;
+			if(StrUtil.TryParseUIntInvariant(str, out u)) return u;
+
+			// Backward compatibility
 			if(StrUtil.TryParseUInt(str, out u)) return u;

 			Debug.Assert(false);
@@ -723,6 +756,9 @@ namespace ModernKeePassLib.Serialization
 			string str = ReadString(xr);

 			long l;
+			if(StrUtil.TryParseLongInvariant(str, out l)) return l;
+
+			// Backward compatibility
 			if(StrUtil.TryParseLong(str, out l)) return l;

 			Debug.Assert(false);
@@ -734,6 +770,9 @@ namespace ModernKeePassLib.Serialization
 			string str = ReadString(xr);

 			ulong u;
+			if(StrUtil.TryParseULongInvariant(str, out u)) return u;
+
+			// Backward compatibility
 			if(StrUtil.TryParseULong(str, out u)) return u;

 			Debug.Assert(false);
@@ -757,7 +796,7 @@ namespace ModernKeePassLib.Serialization
 			if(xb != null) return new ProtectedString(true, xb);

 			bool bProtect = false;
-			if(m_format == Kdb4Format.PlainXml)
+			if(m_format == KdbxFormat.PlainXml)
 			{
 				if(xr.MoveToAttribute(AttrProtectedInMemPlainXml))
 				{
--- a/ModernKeePassLib/Serialization/KdbxFile.Read.cs
+++ b/ModernKeePassLib/Serialization/KdbxFile.Read.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -21,12 +21,20 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using System.IO;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
 using System.Security;
-
+#if PCL
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif
+using System.Xml;
+using Windows.Security.Cryptography.Core;
 #if !KeePassLibSD
 using System.IO.Compression;
 #else
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 using ModernKeePassLib.Cryptography;
@@ -35,41 +43,35 @@ using ModernKeePassLib.Interfaces;
 using ModernKeePassLib.Keys;
 using ModernKeePassLib.Resources;
 using ModernKeePassLib.Utility;
-using System.Threading.Tasks;

 namespace ModernKeePassLib.Serialization
 {
-    /// <summary>
-    /// Serialization to KeePass KDBX files.
-    /// </summary>
-    public sealed partial class Kdb4File
+	/// <summary>
+	/// Serialization to KeePass KDBX files.
+	/// </summary>
+	public sealed partial class KdbxFile
 	{
-        private IOConnection m_connection;
-
 		/// <summary>
 		/// Load a KDB file from a file.
 		/// </summary>
 		/// <param name="strFilePath">File to load.</param>
 		/// <param name="kdbFormat">Format specifier.</param>
 		/// <param name="slLogger">Status logger (optional).</param>
-		public async Task Load(string strFilePath, Kdb4Format kdbFormat, IStatusLogger slLogger)
+		public void Load(string strFilePath, KdbxFormat kdbFormat, IStatusLogger slLogger)
 		{
-            IOConnectionInfo ioc = IOConnectionInfo.FromPath(strFilePath);
-            IOConnection ioConnection = new IOConnection();
-            Stream abc = await ioConnection.OpenRead(ioc);
-            Load(abc, kdbFormat, slLogger);
+			IOConnectionInfo ioc = IOConnectionInfo.FromPath(strFilePath);
+			Load(IOConnection.OpenRead(ioc), kdbFormat, slLogger);
 		}

 		/// <summary>
 		/// Load a KDB file from a stream.
 		/// </summary>
 		/// <param name="sSource">Stream to read the data from. Must contain
-		/// a KDB4 stream.</param>
+		/// a KDBX stream.</param>
 		/// <param name="kdbFormat">Format specifier.</param>
 		/// <param name="slLogger">Status logger (optional).</param>
-        public void Load(Stream sSource, Kdb4Format kdbFormat, IStatusLogger slLogger)
+		public void Load(Stream sSource, KdbxFormat kdbFormat, IStatusLogger slLogger)
 		{
-            
 			Debug.Assert(sSource != null);
 			if(sSource == null) throw new ArgumentNullException("sSource");

@@ -85,7 +87,7 @@ namespace ModernKeePassLib.Serialization
 				BinaryReaderEx brDecrypted = null;
 				Stream readerStream = null;

-				if(kdbFormat == Kdb4Format.Default)
+				if(kdbFormat == KdbxFormat.Default)
 				{
 					br = new BinaryReaderEx(hashedStream, encNoBom, KLRes.FileCorrupted);
 					ReadHeader(br);
@@ -113,11 +115,11 @@ namespace ModernKeePassLib.Serialization
 						readerStream = new GZipStream(sHashed, CompressionMode.Decompress);
 					else readerStream = sHashed;
 				}
-				else if(kdbFormat == Kdb4Format.PlainXml)
+				else if(kdbFormat == KdbxFormat.PlainXml)
 					readerStream = hashedStream;
 				else { Debug.Assert(false); throw new FormatException("KdbFormat"); }

-				if(kdbFormat != Kdb4Format.PlainXml) // Is an encrypted format
+				if(kdbFormat != KdbxFormat.PlainXml) // Is an encrypted format
 				{
 					if(m_pbProtectedStreamKey == null)
 					{
@@ -130,53 +132,64 @@ namespace ModernKeePassLib.Serialization
 				}
 				else m_randomStream = null; // No random stream for plain-text files

+#if KeePassDebug_WriteXml
+				// FileStream fsOut = new FileStream("Raw.xml", FileMode.Create,
+				//	FileAccess.Write, FileShare.None);
+				// try
+				// {
+				//	while(true)
+				//	{
+				//		int b = readerStream.ReadByte();
+				//		if(b == -1) break;
+				//		fsOut.WriteByte((byte)b);
+				//	}
+				// }
+				// catch(Exception) { }
+				// fsOut.Close();
+#endif
+
 				ReadXmlStreamed(readerStream, hashedStream);
 				// ReadXmlDom(readerStream);

-#if !KeePassWinRT
-				readerStream.Close();
-#endif
-				GC.KeepAlive(brDecrypted);
-				GC.KeepAlive(br);
+				readerStream.Dispose();
+				// GC.KeepAlive(br);
+				// GC.KeepAlive(brDecrypted);
 			}
-#if !KeePassWinRT
+#if !PCL
 			catch(CryptographicException) // Thrown on invalid padding
 			{
 				throw new CryptographicException(KLRes.FileCorrupted);
 			}
 #endif
 			finally { CommonCleanUpRead(sSource, hashedStream); }
-
 		}

 		private void CommonCleanUpRead(Stream sSource, HashingStreamEx hashedStream)
-        {
-            m_pbHashOfFileOnDisk = hashedStream.Hash;
-            // Reset memory protection settings (to always use reasonable
-            // defaults)
-            m_pwDatabase.MemoryProtection = new MemoryProtectionConfig();
+		{
+			hashedStream.Dispose();
+			m_pbHashOfFileOnDisk = hashedStream.Hash;

-            return;
+			sSource.Dispose();

-#if !KeePassWinRT
-            // Remove old backups (this call is required here in order to apply
-            // the default history maintenance settings for people upgrading from
-            // KeePass <= 2.14 to >= 2.15; also it ensures history integrity in
-            // case a different application has created the KDBX file and ignored
-            // the history maintenance settings)
-            m_pwDatabase.MaintainBackups(); // Don't mark database as modified
+			// Reset memory protection settings (to always use reasonable
+			// defaults)
+			m_pwDatabase.MemoryProtection = new MemoryProtectionConfig();

+			// Remove old backups (this call is required here in order to apply
+			// the default history maintenance settings for people upgrading from
+			// KeePass <= 2.14 to >= 2.15; also it ensures history integrity in
+			// case a different application has created the KDBX file and ignored
+			// the history maintenance settings)
+			m_pwDatabase.MaintainBackups(); // Don't mark database as modified

-            // Is it ok to leave the stream open ????
-			hashedStream.Close();
-			sSource.Close();
-#endif
-        }
+			m_pbHashOfHeader = null;
+		}

 		private void ReadHeader(BinaryReaderEx br)
 		{
-			Debug.Assert(br != null);
-			if(br == null) throw new ArgumentNullException("br");
+			MemoryStream msHeader = new MemoryStream();
+			Debug.Assert(br.CopyDataTo == null);
+			br.CopyDataTo = msHeader;

 			byte[] pbSig1 = br.ReadBytes(4);
 			uint uSig1 = MemUtil.BytesToUInt32(pbSig1);
@@ -194,19 +207,27 @@ namespace ModernKeePassLib.Serialization

 			byte[] pb = br.ReadBytes(4);
 			uint uVersion = MemUtil.BytesToUInt32(pb);
-
-            if ((uVersion & FileVersionCriticalMask) > (FileVersion32 & FileVersionCriticalMask))
-#if TODO
+			if((uVersion & FileVersionCriticalMask) > (FileVersion32 & FileVersionCriticalMask))
 				throw new FormatException(KLRes.FileVersionUnsupported +
-					MessageService.NewParagraph + KLRes.FileNewVerReq);
-#else
-                throw new FormatException();
-#endif
+					Environment.NewLine + Environment.NewLine + KLRes.FileNewVerReq);
+
 			while(true)
 			{
 				if(ReadHeaderField(br) == false)
 					break;
 			}
+
+			br.CopyDataTo = null;
+			byte[] pbHeader = msHeader.ToArray();
+			msHeader.Dispose();
+
+#if PCL
+			var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+			m_pbHashOfHeader = sha256.HashData(pbHeader.AsBuffer()).ToArray();
+#else
+			SHA256Managed sha256 = new SHA256Managed();
+			m_pbHashOfHeader = sha256.ComputeHash(pbHeader);
+#endif
 		}

 		private bool ReadHeaderField(BinaryReaderEx brSource)
@@ -229,49 +250,49 @@ namespace ModernKeePassLib.Serialization
 			}

 			bool bResult = true;
-			Kdb4HeaderFieldID kdbID = (Kdb4HeaderFieldID)btFieldID;
+			KdbxHeaderFieldID kdbID = (KdbxHeaderFieldID)btFieldID;
 			switch(kdbID)
 			{
-				case Kdb4HeaderFieldID.EndOfHeader:
+				case KdbxHeaderFieldID.EndOfHeader:
 					bResult = false; // Returning false indicates end of header
 					break;

-				case Kdb4HeaderFieldID.CipherID:
+				case KdbxHeaderFieldID.CipherID:
 					SetCipher(pbData);
 					break;

-				case Kdb4HeaderFieldID.CompressionFlags:
+				case KdbxHeaderFieldID.CompressionFlags:
 					SetCompressionFlags(pbData);
 					break;

-				case Kdb4HeaderFieldID.MasterSeed:
+				case KdbxHeaderFieldID.MasterSeed:
 					m_pbMasterSeed = pbData;
 					CryptoRandom.Instance.AddEntropy(pbData);
 					break;

-				case Kdb4HeaderFieldID.TransformSeed:
+				case KdbxHeaderFieldID.TransformSeed:
 					m_pbTransformSeed = pbData;
 					CryptoRandom.Instance.AddEntropy(pbData);
 					break;

-				case Kdb4HeaderFieldID.TransformRounds:
+				case KdbxHeaderFieldID.TransformRounds:
 					m_pwDatabase.KeyEncryptionRounds = MemUtil.BytesToUInt64(pbData);
 					break;

-				case Kdb4HeaderFieldID.EncryptionIV:
+				case KdbxHeaderFieldID.EncryptionIV:
 					m_pbEncryptionIV = pbData;
 					break;

-				case Kdb4HeaderFieldID.ProtectedStreamKey:
+				case KdbxHeaderFieldID.ProtectedStreamKey:
 					m_pbProtectedStreamKey = pbData;
 					CryptoRandom.Instance.AddEntropy(pbData);
 					break;

-				case Kdb4HeaderFieldID.StreamStartBytes:
+				case KdbxHeaderFieldID.StreamStartBytes:
 					m_pbStreamStartBytes = pbData;
 					break;

-				case Kdb4HeaderFieldID.InnerRandomStreamID:
+				case KdbxHeaderFieldID.InnerRandomStreamID:
 					SetInnerRandomStreamID(pbData);
 					break;

@@ -312,46 +333,39 @@ namespace ModernKeePassLib.Serialization
 			m_craInnerRandomStream = (CrsAlgorithm)uID;
 		}

-		private Stream AttachStreamDecryptor(Stream s)
-		{      
-			MemoryStream ms = new MemoryStream();
+	    private Stream AttachStreamDecryptor(Stream s)
+	    {
+	        using (var ms = new MemoryStream())
+	        {
+	            Debug.Assert(m_pbMasterSeed.Length == 32);
+	            if (m_pbMasterSeed.Length != 32)
+	                throw new FormatException(KLRes.MasterSeedLengthInvalid);
+	            ms.Write(m_pbMasterSeed, 0, 32);

-			Debug.Assert(m_pbMasterSeed.Length == 32);
-			if(m_pbMasterSeed.Length != 32)
-				throw new FormatException(KLRes.MasterSeedLengthInvalid);
-			ms.Write(m_pbMasterSeed, 0, 32);
+	            byte[] pKey32 = m_pwDatabase.MasterKey.GenerateKey32(m_pbTransformSeed,
+	                m_pwDatabase.KeyEncryptionRounds).ReadData();
+	            if (pKey32 == null || pKey32.Length != 32)
+	                throw new SecurityException(KLRes.InvalidCompositeKey);
+	            ms.Write(pKey32, 0, 32);

-            Security.ProtectedBinary pb = m_pwDatabase.MasterKey.GenerateKey32(m_pbTransformSeed,
-				m_pwDatabase.KeyEncryptionRounds);
+#if PCL
+	            var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+	            var aesKey = sha256.HashData(ms.GetWindowsRuntimeBuffer()).ToArray();
+#else
+			SHA256Managed sha256 = new SHA256Managed();
+			byte[] aesKey = sha256.ComputeHash(ms.ToArray());
+#endif
+	            Array.Clear(pKey32, 0, 32);

-			byte[] pKey32 = pb.ReadData();
-			if((pKey32 == null) || (pKey32.Length != 32))
-				throw new SecurityException(KLRes.InvalidCompositeKey);
-			ms.Write(pKey32, 0, 32);
-
-            byte[] aesKey = SHA256Managed.Instance.ComputeHash(ms.ToArray());
-                      
-			//SHA256Managed sha256 = new SHA256Managed();
-			//byte[] aesKey = sha256.ComputeHash(ms.ToArray());
-
-			//ms.Close();
-			Array.Clear(pKey32, 0, 32);
-
-			if((aesKey == null) || (aesKey.Length != 32))
-				throw new SecurityException(KLRes.FinalKeyCreationFailed);
-
-			ICipherEngine iEngine = CipherPool.GlobalPool.GetCipher(m_pwDatabase.DataCipherUuid);
-			if(iEngine == null) throw new SecurityException(KLRes.FileUnknownCipher);
-			return iEngine.DecryptStream(s, aesKey, m_pbEncryptionIV);
-
-		}
-
-		[Obsolete]
-		public static List<PwEntry> ReadEntries(PwDatabase pwDatabase, Stream msData)
-		{
-			return ReadEntries(msData);
-		}
+	            if (aesKey == null || aesKey.Length != 32)
+	                throw new SecurityException(KLRes.FinalKeyCreationFailed);

+	            ICipherEngine iEngine = CipherPool.GlobalPool.GetCipher(m_pwDatabase.DataCipherUuid);
+	            if (iEngine == null) throw new SecurityException(KLRes.FileUnknownCipher);
+	            return iEngine.DecryptStream(s, aesKey, m_pbEncryptionIV);
+	        }
+	    }
+        
 		/// <summary>
 		/// Read entries from a stream.
 		/// </summary>
@@ -359,11 +373,8 @@ namespace ModernKeePassLib.Serialization
 		/// <returns>Extracted entries.</returns>
 		public static List<PwEntry> ReadEntries(Stream msData)
 		{
-             Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
-			/* Kdb4File f = new Kdb4File(pwDatabase);
-			f.m_format = Kdb4Format.PlainXml;
+			/* KdbxFile f = new KdbxFile(pwDatabase);
+			f.m_format = KdbxFormat.PlainXml;

 			XmlDocument doc = new XmlDocument();
 			doc.Load(msData);
@@ -391,8 +402,8 @@ namespace ModernKeePassLib.Serialization
 			return vEntries; */

 			PwDatabase pd = new PwDatabase();
-			Kdb4File f = new Kdb4File(pd);
-			f.Load(msData, Kdb4Format.PlainXml, null);
+			KdbxFile f = new KdbxFile(pd);
+			f.Load(msData, KdbxFormat.PlainXml, null);

 			List<PwEntry> vEntries = new List<PwEntry>();
 			foreach(PwEntry pe in pd.RootGroup.Entries)
@@ -402,7 +413,6 @@ namespace ModernKeePassLib.Serialization
 			}

 			return vEntries;
-#endif
 		}
 	}
 }
--- a/ModernKeePassLib/Serialization/KdbxFile.Write.cs
+++ b/ModernKeePassLib/Serialization/KdbxFile.Write.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,39 +19,43 @@

 using System;
 using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.IO.Compression;
-using System.Security;
 using System.Text;
-using System.Threading.Tasks;
+using System.IO;
 using System.Xml;
-//using System.Drawing;
-//using System.Drawing.Imaging;
-
-#if !KeePassLibSD
+using System.Security;
+#if PCL
+using Windows.Security.Cryptography;
 #else
-using ModernKeePassLibSD;
+using System.Security.Cryptography;
+#endif
+using System.Globalization;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.Core;
+#if !KeePassLibSD
+using System.IO.Compression;
+#else
+using KeePassLibSD;
 #endif

 using ModernKeePassLib.Collections;
 using ModernKeePassLib.Cryptography;
 using ModernKeePassLib.Cryptography.Cipher;
+using ModernKeePassLib.Delegates;
 using ModernKeePassLib.Interfaces;
 using ModernKeePassLib.Keys;
 using ModernKeePassLib.Resources;
 using ModernKeePassLib.Security;
 using ModernKeePassLib.Utility;
-using ModernKeePassLib.Delegates;

 namespace ModernKeePassLib.Serialization
 {
-    /// <summary>
-    /// Serialization to KeePass KDB files.
-    /// </summary>
-    public sealed partial class Kdb4File
+	/// <summary>
+	/// Serialization to KeePass KDBX files.
+	/// </summary>
+	public sealed partial class KdbxFile
 	{
-		// public void Save(string strFile, PwGroup pgDataSource, Kdb4Format format,
+		// public void Save(string strFile, PwGroup pgDataSource, KdbxFormat format,
 		//	IStatusLogger slLogger)
 		// {
 		//	bool bMadeUnhidden = UrlUtil.UnhideFile(strFile);
@@ -71,7 +75,7 @@ namespace ModernKeePassLib.Serialization
 		/// be written.</param>
 		/// <param name="format">Format of the file to create.</param>
 		/// <param name="slLogger">Logger that recieves status information.</param>
-		public void Save(Stream sSaveTo, PwGroup pgDataSource, Kdb4Format format,
+		public void Save(Stream sSaveTo, PwGroup pgDataSource, KdbxFormat format,
 			IStatusLogger slLogger)
 		{
 			Debug.Assert(sSaveTo != null);
@@ -85,152 +89,167 @@ namespace ModernKeePassLib.Serialization
 			UTF8Encoding encNoBom = StrUtil.Utf8;
 			CryptoRandom cr = CryptoRandom.Instance;

-		    try
-		    {
-		        m_pbMasterSeed = cr.GetRandomBytes(32);
-		        m_pbTransformSeed = cr.GetRandomBytes(32);
-		        m_pbEncryptionIV = cr.GetRandomBytes(16);
+			try
+			{
+				m_pbMasterSeed = cr.GetRandomBytes(32);
+				m_pbTransformSeed = cr.GetRandomBytes(32);
+				m_pbEncryptionIV = cr.GetRandomBytes(16);

-		        m_pbProtectedStreamKey = cr.GetRandomBytes(32);
-		        m_craInnerRandomStream = CrsAlgorithm.Salsa20;
-		        m_randomStream = new CryptoRandomStream(m_craInnerRandomStream,
-		            m_pbProtectedStreamKey);
+				m_pbProtectedStreamKey = cr.GetRandomBytes(32);
+				m_craInnerRandomStream = CrsAlgorithm.Salsa20;
+				m_randomStream = new CryptoRandomStream(m_craInnerRandomStream,
+					m_pbProtectedStreamKey);

-		        m_pbStreamStartBytes = cr.GetRandomBytes(32);
+				m_pbStreamStartBytes = cr.GetRandomBytes(32);

-		        Stream writerStream;
-		        BinaryWriter bw = null;
-		        if (m_format == Kdb4Format.Default)
-		        {
-		            bw = new BinaryWriter(hashedStream, encNoBom);
-		            WriteHeader(bw); // Also flushes bw
+				Stream writerStream;
+				if(m_format == KdbxFormat.Default)
+				{
+					WriteHeader(hashedStream); // Also flushes the stream

-		            Stream sEncrypted = AttachStreamEncryptor(hashedStream);
-		            if ((sEncrypted == null) || (sEncrypted == hashedStream))
-		                throw new SecurityException(KLRes.CryptoStreamFailed);
+					Stream sEncrypted = AttachStreamEncryptor(hashedStream);
+					if((sEncrypted == null) || (sEncrypted == hashedStream))
+						throw new SecurityException(KLRes.CryptoStreamFailed);

-		            sEncrypted.Write(m_pbStreamStartBytes, 0, m_pbStreamStartBytes.Length);
+					sEncrypted.Write(m_pbStreamStartBytes, 0, m_pbStreamStartBytes.Length);

-		            Stream sHashed = new HashedBlockStream(sEncrypted, true);
+					Stream sHashed = new HashedBlockStream(sEncrypted, true);

-		            if (m_pwDatabase.Compression == PwCompressionAlgorithm.GZip)
-		                writerStream = new GZipStream(sHashed, CompressionMode.Compress);
-		            else
-		                writerStream = sHashed;
-		        }
-		        else if (m_format == Kdb4Format.PlainXml)
-		            writerStream = hashedStream;
-		        else
-		        {
-		            Debug.Assert(false);
-		            throw new FormatException("KdbFormat");
-		        }
+					if(m_pwDatabase.Compression == PwCompressionAlgorithm.GZip)
+						writerStream = new GZipStream(sHashed, CompressionMode.Compress);
+					else
+						writerStream = sHashed;
+				}
+				else if(m_format == KdbxFormat.PlainXml)
+					writerStream = hashedStream;
+				else { Debug.Assert(false); throw new FormatException("KdbFormat"); }

-		        using (m_xmlWriter = XmlWriter.Create(writerStream, new XmlWriterSettings {Encoding = encNoBom}))
-		        {
-		            WriteDocument(pgDataSource);
+#if PCL
+				var settings = new XmlWriterSettings() {
+					Encoding = encNoBom,
+					Indent = true,
+					IndentChars = "\t",
+					NewLineChars = "\r\n",
+				};
+				m_xmlWriter = XmlWriter.Create(writerStream, settings);
+#else
+				m_xmlWriter = new XmlTextWriter(writerStream, encNoBom);
+#endif
+				WriteDocument(pgDataSource);

-		            m_xmlWriter.Flush();
-		            writerStream.Dispose();
-		        }
-		        GC.KeepAlive(bw);
-		    }
-		    catch (Exception ex)
-		    {
-		        
-		    }
+				m_xmlWriter.Flush();
+				m_xmlWriter.Dispose();
+				writerStream.Dispose();
+			}
 			finally { CommonCleanUpWrite(sSaveTo, hashedStream); }
 		}

 		private void CommonCleanUpWrite(Stream sSaveTo, HashingStreamEx hashedStream)
 		{
-			//hashedStream.Close();
+			hashedStream.Dispose();
 			m_pbHashOfFileOnDisk = hashedStream.Hash;

 			sSaveTo.Dispose();

 			m_xmlWriter = null;
+			m_pbHashOfHeader = null;
 		}

-		private void WriteHeader(BinaryWriter bw)
+		private void WriteHeader(Stream s)
 		{
-			Debug.Assert(bw != null);
-			if(bw == null) throw new ArgumentNullException("bw");
+			MemoryStream ms = new MemoryStream();

-			bw.Write(MemUtil.UInt32ToBytes(FileSignature1));
-			bw.Write(MemUtil.UInt32ToBytes(FileSignature2));
-			bw.Write(MemUtil.UInt32ToBytes(FileVersion32));
+			MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileSignature1));
+			MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileSignature2));
+			MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileVersion32));

-			WriteHeaderField(bw, Kdb4HeaderFieldID.CipherID,
+			WriteHeaderField(ms, KdbxHeaderFieldID.CipherID,
 				m_pwDatabase.DataCipherUuid.UuidBytes);

 			int nCprID = (int)m_pwDatabase.Compression;
-			WriteHeaderField(bw, Kdb4HeaderFieldID.CompressionFlags,
+			WriteHeaderField(ms, KdbxHeaderFieldID.CompressionFlags,
 				MemUtil.UInt32ToBytes((uint)nCprID));

-			WriteHeaderField(bw, Kdb4HeaderFieldID.MasterSeed, m_pbMasterSeed);
-			WriteHeaderField(bw, Kdb4HeaderFieldID.TransformSeed, m_pbTransformSeed);
-			WriteHeaderField(bw, Kdb4HeaderFieldID.TransformRounds, MemUtil.UInt64ToBytes(m_pwDatabase.KeyEncryptionRounds));
-			WriteHeaderField(bw, Kdb4HeaderFieldID.EncryptionIV, m_pbEncryptionIV);
-			WriteHeaderField(bw, Kdb4HeaderFieldID.ProtectedStreamKey, m_pbProtectedStreamKey);
-			WriteHeaderField(bw, Kdb4HeaderFieldID.StreamStartBytes, m_pbStreamStartBytes);
+			WriteHeaderField(ms, KdbxHeaderFieldID.MasterSeed, m_pbMasterSeed);
+			WriteHeaderField(ms, KdbxHeaderFieldID.TransformSeed, m_pbTransformSeed);
+			WriteHeaderField(ms, KdbxHeaderFieldID.TransformRounds,
+				MemUtil.UInt64ToBytes(m_pwDatabase.KeyEncryptionRounds));
+			WriteHeaderField(ms, KdbxHeaderFieldID.EncryptionIV, m_pbEncryptionIV);
+			WriteHeaderField(ms, KdbxHeaderFieldID.ProtectedStreamKey, m_pbProtectedStreamKey);
+			WriteHeaderField(ms, KdbxHeaderFieldID.StreamStartBytes, m_pbStreamStartBytes);

 			int nIrsID = (int)m_craInnerRandomStream;
-			WriteHeaderField(bw, Kdb4HeaderFieldID.InnerRandomStreamID,
+			WriteHeaderField(ms, KdbxHeaderFieldID.InnerRandomStreamID,
 				MemUtil.UInt32ToBytes((uint)nIrsID));

-			WriteHeaderField(bw, Kdb4HeaderFieldID.EndOfHeader, new byte[]{ (byte)'\r', (byte)'\n', (byte)'\r', (byte)'\n' });
-			bw.Flush();
+			WriteHeaderField(ms, KdbxHeaderFieldID.EndOfHeader, new byte[]{
+				(byte)'\r', (byte)'\n', (byte)'\r', (byte)'\n' });
+
+			byte[] pbHeader = ms.ToArray();
+			ms.Dispose();
+
+#if PCL
+			var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+			m_pbHashOfHeader = sha256.HashData(pbHeader.AsBuffer()).ToArray();
+#else
+			SHA256Managed sha256 = new SHA256Managed();
+			m_pbHashOfHeader = sha256.ComputeHash(pbHeader);
+#endif
+
+			s.Write(pbHeader, 0, pbHeader.Length);
+			s.Flush();
 		}

-		private static void WriteHeaderField(BinaryWriter bwOut,
-			Kdb4HeaderFieldID kdbID, byte[] pbData)
+		private static void WriteHeaderField(Stream s, KdbxHeaderFieldID kdbID,
+			byte[] pbData)
 		{
-			Debug.Assert(bwOut != null);
-			if(bwOut == null) throw new ArgumentNullException("bwOut");
-
-			bwOut.Write((byte)kdbID);
+			s.WriteByte((byte)kdbID);

 			if(pbData != null)
 			{
 				ushort uLength = (ushort)pbData.Length;
-				bwOut.Write(uLength);
+				MemUtil.Write(s, MemUtil.UInt16ToBytes(uLength));

-				if(uLength > 0) bwOut.Write(pbData);
+				if(uLength > 0) s.Write(pbData, 0, pbData.Length);
 			}
-			else bwOut.Write((ushort)0);
+			else MemUtil.Write(s, MemUtil.UInt16ToBytes((ushort)0));
 		}

 		private Stream AttachStreamEncryptor(Stream s)
 		{
-            using (MemoryStream ms = new MemoryStream())
-            {
-                Debug.Assert(m_pbMasterSeed != null);
-                Debug.Assert(m_pbMasterSeed.Length == 32);
-                ms.Write(m_pbMasterSeed, 0, 32);
+			MemoryStream ms = new MemoryStream();

-                Debug.Assert(m_pwDatabase != null);
-                Debug.Assert(m_pwDatabase.MasterKey != null);
-                ProtectedBinary pbinKey = m_pwDatabase.MasterKey.GenerateKey32(
-                    m_pbTransformSeed, m_pwDatabase.KeyEncryptionRounds);
-                Debug.Assert(pbinKey != null);
-                if (pbinKey == null)
-                    throw new SecurityException(KLRes.InvalidCompositeKey);
-                byte[] pKey32 = pbinKey.ReadData();
-                if ((pKey32 == null) || (pKey32.Length != 32))
-                    throw new SecurityException(KLRes.InvalidCompositeKey);
-                ms.Write(pKey32, 0, 32);
+			Debug.Assert(m_pbMasterSeed != null);
+			Debug.Assert(m_pbMasterSeed.Length == 32);
+			ms.Write(m_pbMasterSeed, 0, 32);

-                SHA256Managed sha256 = SHA256Managed.Instance;
-                byte[] aesKey = sha256.ComputeHash(ms.ToArray());
-                
-			    Array.Clear(pKey32, 0, 32);
+			Debug.Assert(m_pwDatabase != null);
+			Debug.Assert(m_pwDatabase.MasterKey != null);
+			ProtectedBinary pbinKey = m_pwDatabase.MasterKey.GenerateKey32(
+				m_pbTransformSeed, m_pwDatabase.KeyEncryptionRounds);
+			Debug.Assert(pbinKey != null);
+			if(pbinKey == null)
+				throw new SecurityException(KLRes.InvalidCompositeKey);
+			byte[] pKey32 = pbinKey.ReadData();
+			if((pKey32 == null) || (pKey32.Length != 32))
+				throw new SecurityException(KLRes.InvalidCompositeKey);
+			ms.Write(pKey32, 0, 32);

-			    Debug.Assert(CipherPool.GlobalPool != null);
-			    ICipherEngine iEngine = CipherPool.GlobalPool.GetCipher(m_pwDatabase.DataCipherUuid);
-			    if(iEngine == null) throw new SecurityException(KLRes.FileUnknownCipher);
-			    return iEngine.EncryptStream(s, aesKey, m_pbEncryptionIV);
-            }
+#if PCL
+			var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+			var aesKey = sha256.HashData(ms.GetWindowsRuntimeBuffer()).ToArray();
+#else
+			SHA256Managed sha256 = new SHA256Managed();
+			byte[] aesKey = sha256.ComputeHash(ms.ToArray());
+#endif
+			
+			ms.Dispose();
+			Array.Clear(pKey32, 0, 32);
+
+			Debug.Assert(CipherPool.GlobalPool != null);
+			ICipherEngine iEngine = CipherPool.GlobalPool.GetCipher(m_pwDatabase.DataCipherUuid);
+			if(iEngine == null) throw new SecurityException(KLRes.FileUnknownCipher);
+			return iEngine.EncryptStream(s, aesKey, m_pbEncryptionIV);
 		}

 		private void WriteDocument(PwGroup pgDataSource)
@@ -245,8 +264,11 @@ namespace ModernKeePassLib.Serialization

 			BinPoolBuild(pgRoot);

-			m_xmlWriter.Settings.Indent = true;
-			m_xmlWriter.Settings.IndentChars = "\t";
+#if !PCL
+			m_xmlWriter.Formatting = Formatting.Indented;
+			m_xmlWriter.IndentChar = '\t';
+			m_xmlWriter.Indentation = 1;
+#endif

 			m_xmlWriter.WriteStartDocument(true);
 			m_xmlWriter.WriteStartElement(ElemDocNode);
@@ -320,6 +342,11 @@ namespace ModernKeePassLib.Serialization
 			m_xmlWriter.WriteStartElement(ElemMeta);

 			WriteObject(ElemGenerator, PwDatabase.LocalizedAppName, false); // Generator name
+
+			if(m_pbHashOfHeader != null)
+				WriteObject(ElemHeaderHash, Convert.ToBase64String(
+					m_pbHashOfHeader), false);
+
 			WriteObject(ElemDbName, m_pwDatabase.Name, true);
 			WriteObject(ElemDbNameChanged, m_pwDatabase.NameChanged);
 			WriteObject(ElemDbDesc, m_pwDatabase.Description, true);
@@ -361,7 +388,7 @@ namespace ModernKeePassLib.Serialization
 			WriteObject(ElemNotes, pg.Notes, true);
 			WriteObject(ElemIcon, (int)pg.IconId);
 			
-			if(pg.CustomIconUuid != PwUuid.Zero)
+			if(!pg.CustomIconUuid.Equals(PwUuid.Zero))
 				WriteObject(ElemCustomIconID, pg.CustomIconUuid);
 			
 			WriteList(ElemTimes, pg);
@@ -386,7 +413,7 @@ namespace ModernKeePassLib.Serialization
 			WriteObject(ElemUuid, pe.Uuid);
 			WriteObject(ElemIcon, (int)pe.IconId);
 			
-			if(pe.CustomIconUuid != PwUuid.Zero)
+			if(!pe.CustomIconUuid.Equals(PwUuid.Zero))
 				WriteObject(ElemCustomIconID, pe.CustomIconUuid);

 			WriteObject(ElemFgColor, StrUtil.ColorToUnnamedHtml(pe.ForegroundColor, true), false);
@@ -452,8 +479,8 @@ namespace ModernKeePassLib.Serialization

 			m_xmlWriter.WriteStartElement(name);

-			WriteObject(ElemLastModTime, times.LastModificationTime);
 			WriteObject(ElemCreationTime, times.CreationTime);
+			WriteObject(ElemLastModTime, times.LastModificationTime);
 			WriteObject(ElemLastAccessTime, times.LastAccessTime);
 			WriteObject(ElemExpiryTime, times.ExpiryTime);
 			WriteObject(ElemExpires, times.Expires);
@@ -575,7 +602,7 @@ namespace ModernKeePassLib.Serialization
 			Debug.Assert(name != null);

 			m_xmlWriter.WriteStartElement(name);
-			m_xmlWriter.WriteString(value.ToString());
+			m_xmlWriter.WriteString(value.ToString(NumberFormatInfo.InvariantInfo));
 			m_xmlWriter.WriteEndElement();
 		}

@@ -584,7 +611,7 @@ namespace ModernKeePassLib.Serialization
 			Debug.Assert(name != null);

 			m_xmlWriter.WriteStartElement(name);
-			m_xmlWriter.WriteString(value.ToString());
+			m_xmlWriter.WriteString(value.ToString(NumberFormatInfo.InvariantInfo));
 			m_xmlWriter.WriteEndElement();
 		}

@@ -593,7 +620,7 @@ namespace ModernKeePassLib.Serialization
 			Debug.Assert(name != null);

 			m_xmlWriter.WriteStartElement(name);
-			m_xmlWriter.WriteString(value.ToString());
+			m_xmlWriter.WriteString(value.ToString(NumberFormatInfo.InvariantInfo));
 			m_xmlWriter.WriteEndElement();
 		}

@@ -602,7 +629,7 @@ namespace ModernKeePassLib.Serialization
 			Debug.Assert(name != null);

 			m_xmlWriter.WriteStartElement(name);
-			m_xmlWriter.WriteString(value.ToString());
+			m_xmlWriter.WriteString(value.ToString(NumberFormatInfo.InvariantInfo));
 			m_xmlWriter.WriteEndElement();
 		}

@@ -657,7 +684,7 @@ namespace ModernKeePassLib.Serialization
 					bProtected = m_pwDatabase.MemoryProtection.ProtectNotes;
 			}

-			if(bProtected && (m_format != Kdb4Format.PlainXml))
+			if(bProtected && (m_format != KdbxFormat.PlainXml))
 			{
 				m_xmlWriter.WriteAttributeString(AttrProtected, ValTrue);

@@ -667,7 +694,6 @@ namespace ModernKeePassLib.Serialization
 			}
 			else
 			{
-                       
 				string strValue = value.ReadString();

 				// If names should be localized, we need to apply the language-dependent
@@ -685,7 +711,8 @@ namespace ModernKeePassLib.Serialization
 						// page area
 						if(char.IsSymbol(ch) || char.IsSurrogate(ch))
 						{
-							UnicodeCategory cat = CharUnicodeInfo.GetUnicodeCategory(ch);
+							System.Globalization.UnicodeCategory cat =
+								CharUnicodeInfo.GetUnicodeCategory(ch);
 							// Map character to correct position in code page
 							chMapped = (char)((int)cat * 32 + ch);
 						}
@@ -697,7 +724,11 @@ namespace ModernKeePassLib.Serialization
 								// in the low ANSI range (up to 255) when calling
 								// ToLower on them with invariant culture (see
 								// http://lists.ximian.com/pipermail/mono-patches/2002-February/086106.html )
+#if !KeePassLibSD
 								chMapped = char.ToLowerInvariant(ch);
+#else
+								chMapped = char.ToLower(ch);
+#endif
 							}
 						}

@@ -707,8 +738,7 @@ namespace ModernKeePassLib.Serialization
 					strValue = sb.ToString(); // Correct string for current code page
 				}

-
-				if((m_format == Kdb4Format.PlainXml) && bProtected)
+				if((m_format == KdbxFormat.PlainXml) && bProtected)
 					m_xmlWriter.WriteAttributeString(AttrProtectedInMemPlainXml, ValTrue);

 				m_xmlWriter.WriteString(StrUtil.SafeXmlString(strValue));
@@ -716,7 +746,7 @@ namespace ModernKeePassLib.Serialization

 			m_xmlWriter.WriteEndElement(); // ElemValue
 			m_xmlWriter.WriteEndElement(); // ElemString
-        }
+		}

 		private void WriteObject(string name, ProtectedBinary value, bool bAllowRef)
 		{
@@ -742,7 +772,7 @@ namespace ModernKeePassLib.Serialization

 		private void SubWriteValue(ProtectedBinary value)
 		{
-			if(value.IsProtected && (m_format != Kdb4Format.PlainXml))
+			if(value.IsProtected && (m_format != KdbxFormat.PlainXml))
 			{
 				m_xmlWriter.WriteAttributeString(AttrProtected, ValTrue);

@@ -810,8 +840,8 @@ namespace ModernKeePassLib.Serialization
 		/// to the stream.</returns>
 		public static bool WriteEntries(Stream msOutput, PwEntry[] vEntries)
 		{
-			/* Kdb4File f = new Kdb4File(pwDatabase);
-			f.m_format = Kdb4Format.PlainXml;
+			/* KdbxFile f = new KdbxFile(pwDatabase);
+			f.m_format = KdbxFormat.PlainXml;

 			XmlTextWriter xtw = null;
 			try { xtw = new XmlTextWriter(msOutput, StrUtil.Utf8); }
@@ -843,8 +873,8 @@ namespace ModernKeePassLib.Serialization
 			foreach(PwEntry peCopy in vEntries)
 				pd.RootGroup.AddEntry(peCopy.CloneDeep(), true);

-			Kdb4File f = new Kdb4File(pd);
-			f.Save(msOutput, null, Kdb4Format.PlainXml, null);
+			KdbxFile f = new KdbxFile(pd);
+			f.Save(msOutput, null, KdbxFormat.PlainXml, null);
 			return true;
 		}
 	}
--- a/ModernKeePassLib/Serialization/KdbxFile.cs
+++ b/ModernKeePassLib/Serialization/KdbxFile.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -29,6 +29,10 @@ using System.Diagnostics;
 using System.IO.Compression;
 #endif

+#if PCL
+using Windows.Storage;
+#endif
+
 using ModernKeePassLib.Collections;
 using ModernKeePassLib.Cryptography;
 using ModernKeePassLib.Delegates;
@@ -39,10 +43,10 @@ using ModernKeePassLib.Utility;
 namespace ModernKeePassLib.Serialization
 {
 	/// <summary>
-	/// The <c>Kdb4File</c> class supports saving the data to various
+	/// The <c>KdbxFile</c> class supports saving the data to various
 	/// formats.
 	/// </summary>
-	public enum Kdb4Format
+	public enum KdbxFormat
 	{
 		/// <summary>
 		/// The default, encrypted file format.
@@ -56,37 +60,37 @@ namespace ModernKeePassLib.Serialization
 	}

 	/// <summary>
-	/// Serialization to KeePass KDB files.
+	/// Serialization to KeePass KDBX files.
 	/// </summary>
-	public sealed partial class Kdb4File
+	public sealed partial class KdbxFile
 	{
 		/// <summary>
 		/// File identifier, first 32-bit value.
 		/// </summary>
-		private const uint FileSignature1 = 0x9AA2D903;
+		internal const uint FileSignature1 = 0x9AA2D903;

 		/// <summary>
 		/// File identifier, second 32-bit value.
 		/// </summary>
-		private const uint FileSignature2 = 0xB54BFB67;
+		internal const uint FileSignature2 = 0xB54BFB67;

 		/// <summary>
-		/// File version of files saved by the current <c>Kdb4File</c> class.
+		/// File version of files saved by the current <c>KdbxFile</c> class.
 		/// KeePass 2.07 has version 1.01, 2.08 has 1.02, 2.09 has 2.00,
-		/// 2.10 has 2.02, 2.11 has 2.04, 2.15 has 3.00.
+		/// 2.10 has 2.02, 2.11 has 2.04, 2.15 has 3.00, 2.20 has 3.01.
 		/// The first 2 bytes are critical (i.e. loading will fail, if the
 		/// file version is too high), the last 2 bytes are informational.
 		/// </summary>
-		private const uint FileVersion32 = 0x00030000;
+		private const uint FileVersion32 = 0x00030001;

 		private const uint FileVersionCriticalMask = 0xFFFF0000;

 		// KeePass 1.x signature
-		private const uint FileSignatureOld1 = 0x9AA2D903;
-		private const uint FileSignatureOld2 = 0xB54BFB65;
+		internal const uint FileSignatureOld1 = 0x9AA2D903;
+		internal const uint FileSignatureOld2 = 0xB54BFB65;
 		// KeePass 2.x pre-release (alpha and beta) signature
-		private const uint FileSignaturePreRelease1 = 0x9AA2D903;
-		private const uint FileSignaturePreRelease2 = 0xB54BFB66;
+		internal const uint FileSignaturePreRelease1 = 0x9AA2D903;
+		internal const uint FileSignaturePreRelease2 = 0xB54BFB66;

 		private const string ElemDocNode = "KeePassFile";
 		private const string ElemMeta = "Meta";
@@ -95,6 +99,7 @@ namespace ModernKeePassLib.Serialization
 		private const string ElemEntry = "Entry";

 		private const string ElemGenerator = "Generator";
+		private const string ElemHeaderHash = "HeaderHash";
 		private const string ElemDbName = "DatabaseName";
 		private const string ElemDbNameChanged = "DatabaseNameChanged";
 		private const string ElemDbDesc = "DatabaseDescription";
@@ -190,9 +195,13 @@ namespace ModernKeePassLib.Serialization

 		private PwDatabase m_pwDatabase; // Not null, see constructor

+#if PCL
 		private XmlWriter m_xmlWriter = null;
+#else
+		private XmlTextWriter m_xmlWriter = null;
+#endif
 		private CryptoRandomStream m_randomStream = null;
-		private Kdb4Format m_format = Kdb4Format.Default;
+		private KdbxFormat m_format = KdbxFormat.Default;
 		private IStatusLogger m_slLogger = null;

 		private byte[] m_pbMasterSeed = null;
@@ -208,6 +217,7 @@ namespace ModernKeePassLib.Serialization
 		private Dictionary<string, ProtectedBinary> m_dictBinPool =
 			new Dictionary<string, ProtectedBinary>();

+		private byte[] m_pbHashOfHeader = null;
 		private byte[] m_pbHashOfFileOnDisk = null;

 		private readonly DateTime m_dtNow = DateTime.Now; // Cache current time
@@ -217,7 +227,7 @@ namespace ModernKeePassLib.Serialization
 		private const uint NeutralLanguageID = NeutralLanguageOffset + NeutralLanguageIDSec;
 		private static bool m_bLocalizedNames = false;

-		private enum Kdb4HeaderFieldID : byte
+		private enum KdbxHeaderFieldID : byte
 		{
 			EndOfHeader = 0,
 			Comment = 1,
@@ -261,7 +271,7 @@ namespace ModernKeePassLib.Serialization
 		/// </summary>
 		/// <param name="pwDataStore">The <c>PwDatabase</c> instance that the
 		/// class will load file data into or use to create a KDBX file.</param>
-		public Kdb4File(PwDatabase pwDataStore)
+		public KdbxFile(PwDatabase pwDataStore)
 		{
 			Debug.Assert(pwDataStore != null);
 			if(pwDataStore == null) throw new ArgumentNullException("pwDataStore");
@@ -322,7 +332,8 @@ namespace ModernKeePassLib.Serialization

 			if(BinPoolFind(pb) != null) return; // Exists already

-			m_dictBinPool.Add(m_dictBinPool.Count.ToString(), pb);
+			m_dictBinPool.Add(m_dictBinPool.Count.ToString(
+				NumberFormatInfo.InvariantInfo), pb);
 		}

 		private string BinPoolFind(ProtectedBinary pb)
@@ -350,12 +361,6 @@ namespace ModernKeePassLib.Serialization
 		private static void SaveBinary(string strName, ProtectedBinary pb,
 			string strSaveDir)
 		{
-            // TODO Bert: Needs to be implemented.
-#if !TODO
-            Debug.Assert(false,"not implemented");
-#else
-
-
 			if(pb == null) { Debug.Assert(false); return; }

 			if(string.IsNullOrEmpty(strName)) strName = "File.bin";
@@ -370,15 +375,28 @@ namespace ModernKeePassLib.Serialization
 				string strDesc = UrlUtil.StripExtension(strName);

 				strPath += strDesc;
-				if(iTry > 1) strPath += " (" + iTry.ToString() + ")";
+				if(iTry > 1)
+					strPath += " (" + iTry.ToString(NumberFormatInfo.InvariantInfo) +
+						")";

 				if(!string.IsNullOrEmpty(strExt)) strPath += "." + strExt;

 				++iTry;
 			}
+#if PCL
+			while(ApplicationData.Current.RoamingFolder.GetFileAsync(strPath).GetResults() != null);
+#else
 			while(File.Exists(strPath));
+#endif

-#if !KeePassLibSD
+#if PCL
+			byte[] pbData = pb.ReadData();
+			var file = ApplicationData.Current.RoamingFolder.GetFileAsync(strPath).GetResults();
+			using (var stream = file.OpenAsync(FileAccessMode.ReadWrite).GetResults().AsStream()) {
+				stream.Write (pbData, 0, pbData.Length);
+			}
+			MemUtil.ZeroByteArray(pbData);
+#elif !KeePassLibSD
 			byte[] pbData = pb.ReadData();
 			File.WriteAllBytes(strPath, pbData);
 			MemUtil.ZeroByteArray(pbData);
@@ -389,9 +407,6 @@ namespace ModernKeePassLib.Serialization
 			fs.Write(pbData, 0, pbData.Length);
 			fs.Close();
 #endif
-
-#endif // TODO
-        }
-
+		}
 	}
 }
--- a/ModernKeePassLib/Serialization/OldFormatException.cs
+++ b/ModernKeePassLib/Serialization/OldFormatException.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -19,8 +19,8 @@

 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Text;
+
 using ModernKeePassLib.Resources;
 using ModernKeePassLib.Utility;

@@ -41,17 +41,13 @@ namespace ModernKeePassLib.Serialization
 		{
 			get
 			{
-                Debug.Assert(false, "not yet implemented");
-                return null;
-#if TODO
 				string str = KLRes.OldFormat + ((m_strFormat.Length > 0) ?
 					(@" (" + m_strFormat + @")") : string.Empty) + ".";

 				if(m_type == OldFormatType.KeePass1x)
-					str += MessageService.NewParagraph + KLRes.KeePass1xHint;
+					str += Environment.NewLine + Environment.NewLine + KLRes.KeePass1xHint;

 				return str;
-#endif
 			}
 		}

--- a/ModernKeePassLib/Translation/KPControlCustomization.cs
+++ b/ModernKeePassLib/Translation/KPControlCustomization.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,21 +17,14 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-// BERT TODO: Removed completely for the time being */
-
-#if TODO
-
 using System;
 using System.Collections.Generic;
 using System.Text;
 using System.ComponentModel;
-using System.Windows.Forms;
 using System.Diagnostics;
 using System.Xml.Serialization;
 using System.Globalization;
 using System.IO;
-using System.Security.Cryptography;
-using System.Drawing;

 using ModernKeePassLib.Utility;

@@ -46,8 +39,8 @@ namespace ModernKeePassLib.Translation

 		private const string m_strControlRelative = @"%c";

-		internal const NumberStyles m_nsParser = NumberStyles.AllowLeadingSign |
-			NumberStyles.AllowDecimalPoint;
+		internal const NumberStyles m_nsParser = (NumberStyles.AllowLeadingSign |
+			NumberStyles.AllowDecimalPoint);
 		internal static readonly CultureInfo m_lclInv = CultureInfo.InvariantCulture;

 		private string m_strPosX = string.Empty;
@@ -116,7 +109,7 @@ namespace ModernKeePassLib.Translation
 			else { Debug.Assert(false); }
 		}

-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 		internal void ApplyTo(Control c)
 		{
 			Debug.Assert(c != null); if(c == null) return;
@@ -271,7 +264,7 @@ namespace ModernKeePassLib.Translation
 			return m_strMemberName.CompareTo(kpOther.Name);
 		}

-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 		private static readonly Type[] m_vTextControls = new Type[] {
 			typeof(MenuStrip), typeof(PictureBox), typeof(ListView),
 			typeof(TreeView), typeof(ToolStrip), typeof(WebBrowser),
@@ -313,8 +306,8 @@ namespace ModernKeePassLib.Translation

 			if(c is Form)
 			{
-				WriteCpiParam(sb, c.ClientSize.Width.ToString());
-				WriteCpiParam(sb, c.ClientSize.Height.ToString());
+				WriteCpiParam(sb, c.ClientSize.Width.ToString(KpccLayout.m_lclInv));
+				WriteCpiParam(sb, c.ClientSize.Height.ToString(KpccLayout.m_lclInv));
 			}
 			else // Normal control
 			{
@@ -402,5 +395,3 @@ namespace ModernKeePassLib.Translation
 #endif
 	}
 }
-
-#endif
--- a/ModernKeePassLib/Translation/KPFormCustomization.cs
+++ b/ModernKeePassLib/Translation/KPFormCustomization.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,9 +17,6 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-/* Bert TODO: completely removed for the time being */
-
-#if TODO
 using System;
 using System.Collections.Generic;
 using System.Text;
@@ -69,6 +66,7 @@ namespace ModernKeePassLib.Translation
 			}
 		}

+#if (!KeePassLibSD && !KeePassRT)
 		private Form m_formEnglish = null;
 		[XmlIgnore]
 		public Form FormEnglish
@@ -77,7 +75,6 @@ namespace ModernKeePassLib.Translation
 			set { m_formEnglish = value; }
 		}

-#if !KeePassLibSD
 		public void ApplyTo(Form form)
 		{
 			Debug.Assert(form != null); if(form == null) throw new ArgumentNullException("form");
@@ -107,5 +104,3 @@ namespace ModernKeePassLib.Translation
 #endif
 	}
 }
-
-#endif //TODO
--- a/ModernKeePassLib/Translation/KPStringTable.cs
+++ b/ModernKeePassLib/Translation/KPStringTable.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,9 +17,6 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-/* BERT TODO: Completely removed for the time being */
-
-#if TODO
 using System;
 using System.Collections.Generic;
 using System.Text;
@@ -69,7 +66,7 @@ namespace ModernKeePassLib.Translation
 			return dict;
 		}

-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 		public void ApplyTo(ToolStripItemCollection tsic)
 		{
 			if(tsic == null) throw new ArgumentNullException("tsic");
@@ -100,5 +97,3 @@ namespace ModernKeePassLib.Translation
 #endif
 	}
 }
-
-#endif //TODO
--- a/ModernKeePassLib/Translation/KPStringTableItem.cs
+++ b/ModernKeePassLib/Translation/KPStringTableItem.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Translation/KPTranslation.cs
+++ b/ModernKeePassLib/Translation/KPTranslation.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,9 +17,6 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-/* Bert TODO: completely removed for the time being */
-
-#if TODO
 using System;
 using System.Collections.Generic;
 using System.Text;
@@ -156,7 +153,7 @@ namespace ModernKeePassLib.Translation
 			return new Dictionary<string, string>();
 		}

-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 		public void ApplyTo(Form form)
 		{
 			if(form == null) throw new ArgumentNullException("form");
@@ -253,5 +250,3 @@ namespace ModernKeePassLib.Translation
 #endif
 	}
 }
-
-#endif
--- a/ModernKeePassLib/Translation/KPTranslationProperties.cs
+++ b/ModernKeePassLib/Translation/KPTranslationProperties.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
--- a/ModernKeePassLib/Utility/AppLogEx.cs
+++ b/ModernKeePassLib/Utility/AppLogEx.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -49,9 +49,9 @@ namespace ModernKeePassLib.Utility
 			try
 			{
 				string strDirSep = string.Empty;
-				strDirSep += Path.DirectorySeparatorChar;
+				strDirSep += UrlUtil.LocalDirSepChar;

-				string strTemp = Path.GetTempPath();
+				string strTemp = UrlUtil.GetTempPath();
 				if(!strTemp.EndsWith(strDirSep))
 					strTemp += strDirSep;

@@ -64,7 +64,7 @@ namespace ModernKeePassLib.Utility
 				strTime = strTime.Replace(':', '-');

 				strPath += strTime + "-" + Environment.TickCount.ToString(
-					CultureInfo.InvariantCulture) + ".log.gz";
+					NumberFormatInfo.InvariantInfo) + ".log.gz";

 				FileStream fsOut = new FileStream(strPath, FileMode.Create,
 					FileAccess.Write, FileShare.None);
@@ -81,12 +81,8 @@ namespace ModernKeePassLib.Utility
 		{
 			if(m_swOut == null) return;

-            Debug.Assert(false, "not yet implemented");
-            return;
-#if TODO
-			m_swOut.Close();
+			m_swOut.Dispose();
 			m_swOut = null;
-#endif
 		}

 		public static void Log(string strText)
--- a/ModernKeePassLib/Utility/ColorTranslator.cs
+++ b/ModernKeePassLib/Utility/ColorTranslator.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Drawing;
+using System.Globalization;
+using System.Text.RegularExpressions;
+
+namespace KeePass2PCL.Utility
+{
+	/// <summary>
+	/// Replacement for System.Drawing.ColorTranslator.
+	/// </summary>
+	/// <remarks>
+	/// Colors are stored in the kdbx database file in HTML format (#XXXXXX).
+	/// </remarks>
+	public static class ColorTranslator
+	{
+		static Regex longForm = new Regex("^#([0-9A-Fa-f]{2})([0-9A-Fa-f]{2})([0-9A-Fa-f]{2})$");
+
+		/// <summary>
+		/// Converts an HTML color value to a Color.
+		/// </summary>
+		/// <returns>The Color.</returns>
+		/// <param name="htmlColor">HTML color code.</param>
+		/// <exception cref="ArgumentNullException">If htmlColor is null.</exception>
+		/// <exception cref="ArgumentException">If htmlColor did not match the pattern "#XXXXXX".</exception>
+		/// <remarks>
+		/// Currently only understands "#XXXXXX". "#XXX" or named colors will
+		/// throw and exception.
+		/// </remarks>
+		public static Color FromHtml(string htmlColor)
+		{
+			if (htmlColor == null)
+				throw new ArgumentNullException("htmlColor");
+			Match match = longForm.Match(htmlColor);
+			if (match.Success) {
+				var r = int.Parse(match.Groups[1].Value, NumberStyles.HexNumber);
+				var g = int.Parse(match.Groups[2].Value, NumberStyles.HexNumber);
+				var b = int.Parse(match.Groups[3].Value, NumberStyles.HexNumber);
+				return Color.FromArgb(r, g, b);
+			}
+			throw new ArgumentException(string.Format("Could not parse HTML color '{0}'.", htmlColor), "htmlColor");
+		}
+
+		/// <summary>
+		/// Converts a color to an HTML color code.
+		/// </summary>
+		/// <returns>String containing the color code.</returns>
+		/// <param name="htmlColor">The Color to convert</param>
+		/// <remarks>
+		/// The string is in the format "#XXXXXX"
+		/// </remarks>
+		public static string ToHtml(Color htmlColor)
+		{
+			return string.Format("#{0:x2}{1:x2}{2:x2}", htmlColor.R, htmlColor.G, htmlColor.B);
+		}
+	}
+}
+
--- a/ModernKeePassLib/Utility/GfxUtil.cs
+++ b/ModernKeePassLib/Utility/GfxUtil.cs
@@ -0,0 +1,115 @@
+/*
+  KeePass Password Safe - The Open-Source Password Manager
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+#if KeePass2PCL
+using Splat;
+#else
+using System.Drawing;
+using System.Drawing.Imaging;
+#endif
+using System.Diagnostics;
+
+namespace KeePass2PCL.Utility
+{
+	public static class GfxUtil
+	{
+#if KeePassRT
+		public static Image LoadImage(byte[] pb)
+		{
+			MemoryStream ms = new MemoryStream(pb, false);
+			try { return Image.FromStream(ms); }
+			finally { ms.Close(); }
+		}
+#elif KeePass2PCL
+		public static IBitmap LoadImage(byte[] pb)
+		{
+			using (var ms = new MemoryStream(pb, false)) {
+				return BitmapLoader.Current.Load(ms, null, null).Result;
+			}
+		}
+#else
+		public static Image LoadImage(byte[] pb)
+		{
+			if(pb == null) throw new ArgumentNullException("pb");
+
+			MemoryStream ms = new MemoryStream(pb, false);
+			try { return LoadImagePriv(ms); }
+			catch(Exception)
+			{
+				Image imgIco = TryLoadIco(pb);
+				if(imgIco != null) return imgIco;
+				throw;
+			}
+			finally { ms.Close(); }
+		}
+
+		private static Image LoadImagePriv(Stream s)
+		{
+			// Image.FromStream wants the stream to be open during
+			// the whole lifetime of the image; as we can't guarantee
+			// this, we make a copy of the image
+			Image imgSrc = null;
+			try
+			{
+#if !KeePassLibSD
+				imgSrc = Image.FromStream(s);
+				Bitmap bmp = new Bitmap(imgSrc.Width, imgSrc.Height,
+					PixelFormat.Format32bppArgb);
+
+				try
+				{
+					bmp.SetResolution(imgSrc.HorizontalResolution,
+						imgSrc.VerticalResolution);
+					Debug.Assert(bmp.Size == imgSrc.Size);
+				}
+				catch(Exception) { Debug.Assert(false); }
+#else
+				imgSrc = new Bitmap(s);
+				Bitmap bmp = new Bitmap(imgSrc.Width, imgSrc.Height);
+#endif
+
+				using(Graphics g = Graphics.FromImage(bmp))
+				{
+					g.Clear(Color.Transparent);
+					g.DrawImage(imgSrc, 0, 0);
+				}
+
+				return bmp;
+			}
+			finally { if(imgSrc != null) imgSrc.Dispose(); }
+		}
+
+		private static Image TryLoadIco(byte[] pb)
+		{
+#if !KeePassLibSD
+			MemoryStream ms = new MemoryStream(pb, false);
+			try { return (new Icon(ms)).ToBitmap(); }
+			catch(Exception) { }
+			finally { ms.Close(); }
+#endif
+
+			return null;
+		}
+#endif
+	}
+}
--- a/ModernKeePassLib/Utility/MemUtil.cs
+++ b/ModernKeePassLib/Utility/MemUtil.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,21 +18,91 @@
 */

 using System;
+using System.Collections.Generic;
 using System.Text;
+using System.Diagnostics;
 using System.IO;

 #if !KeePassLibSD
+using System.IO.Compression;
 #else
-using ModernKeePassLibSD;
+using KeePassLibSD;
 #endif

 namespace ModernKeePassLib.Utility
 {
-    /// <summary>
-    /// Contains static buffer manipulation and string conversion routines.
-    /// </summary>
-    public static class MemUtil
+	/// <summary>
+	/// Contains static buffer manipulation and string conversion routines.
+	/// </summary>
+	public static class MemUtil
 	{
+		private static readonly uint[] m_vSBox = new uint[256] {
+			0xCD2FACB3, 0xE78A7F5C, 0x6F0803FC, 0xBCF6E230,
+			0x3A321712, 0x06403DB1, 0xD2F84B95, 0xDF22A6E4,
+			0x07CE9E5B, 0x31788A0C, 0xF683F6F4, 0xEA061F49,
+			0xFA5C2ACA, 0x4B9E494E, 0xB0AB25BA, 0x767731FC,
+			0x261893A7, 0x2B09F2CE, 0x046261E4, 0x41367B4B,
+			0x18A7F225, 0x8F923C0E, 0x5EF3A325, 0x28D0435E,
+			0x84C22919, 0xED66873C, 0x8CEDE444, 0x7FC47C24,
+			0xFCFC6BA3, 0x676F928D, 0xB4147187, 0xD8FB126E,
+			0x7D798D17, 0xFF82E424, 0x1712FA5B, 0xABB09DD5,
+			0x8156BA63, 0x84E4D969, 0xC937FB9A, 0x2F1E5BFC,
+			0x178ECA11, 0x0E71CD5F, 0x52AAC6F4, 0x71EEFC8F,
+			0x7090D749, 0x21CACA31, 0x92996378, 0x0939A8A8,
+			0xE9EE1934, 0xD2718616, 0xF2500543, 0xB911873C,
+			0xD3CB3EEC, 0x2BA0DBEB, 0xB42D0A27, 0xECE67C0F,
+			0x302925F0, 0x6114F839, 0xD39E6307, 0xE28970D6,
+			0xEB982F99, 0x941B4CDF, 0xC540E550, 0x8124FC45,
+			0x98B025C7, 0xE2BF90EA, 0x4F57C976, 0xCF546FE4,
+			0x59566DC8, 0xE3F4360D, 0xF5F9D231, 0xD6180B22,
+			0xB54E088A, 0xB5DFE6A6, 0x3637A36F, 0x056E9284,
+			0xAFF8FBC5, 0x19E01648, 0x8611F043, 0xDAE44337,
+			0xF61B6A1C, 0x257ACD9E, 0xDD35F507, 0xEF05CAFA,
+			0x05EB4A83, 0xFC25CA92, 0x0A4728E6, 0x9CF150EF,
+			0xAEEF67DE, 0xA9472337, 0x57C81EFE, 0x3E5E009F,
+			0x02CB03BB, 0x2BA85674, 0xF21DC251, 0x78C34A34,
+			0xABB1F5BF, 0xB95A2FBD, 0x1FB47777, 0x9A96E8AC,
+			0x5D2D2838, 0x55AAC92A, 0x99EE324E, 0x10F6214B,
+			0x58ABDFB1, 0x2008794D, 0xBEC880F0, 0xE75E5341,
+			0x88015C34, 0x352D8FBF, 0x622B7F6C, 0xF5C59EA2,
+			0x1F759D8E, 0xADE56159, 0xCC7B4C25, 0x5B8BC48C,
+			0xB6BD15AF, 0x3C5B5110, 0xE74A7C3D, 0xEE613161,
+			0x156A1C67, 0x72C06817, 0xEA0A6F69, 0x4CECF993,
+			0xCA9D554C, 0x8E20361F, 0x42D396B9, 0x595DE578,
+			0x749D7955, 0xFD1BA5FD, 0x81FC160E, 0xDB97E28C,
+			0x7CF148F7, 0x0B0B3CF5, 0x534DE605, 0x46421066,
+			0xD4B68DD1, 0x9E479CE6, 0xAE667A9D, 0xBC082082,
+			0xB06DD6EF, 0x20F0F23F, 0xB99E1551, 0xF47A2E3A,
+			0x71DA50C6, 0x67B65779, 0x2A8CB376, 0x1EA71EEE,
+			0x29ABCD50, 0xB6EB0C6B, 0x23C10511, 0x6F3F2144,
+			0x6AF23012, 0xF696BD9E, 0xB94099D8, 0xAD5A9C81,
+			0x7A0794FA, 0x7EDF59D6, 0x1E72E574, 0x8561913C,
+			0x4E4D568F, 0xEECB9928, 0x9C124D2E, 0x0848B82C,
+			0xF1CA395F, 0x9DAF43DC, 0xF77EC323, 0x394E9B59,
+			0x7E200946, 0x8B811D68, 0x16DA3305, 0xAB8DE2C3,
+			0xE6C53B64, 0x98C2D321, 0x88A97D81, 0xA7106419,
+			0x8E52F7BF, 0x8ED262AF, 0x7CCA974E, 0xF0933241,
+			0x040DD437, 0xE143B3D4, 0x3019F56F, 0xB741521D,
+			0xF1745362, 0x4C435F9F, 0xB4214D0D, 0x0B0C348B,
+			0x5051D189, 0x4C30447E, 0x7393D722, 0x95CEDD0B,
+			0xDD994E80, 0xC3D22ED9, 0x739CD900, 0x131EB9C4,
+			0xEF1062B2, 0x4F0DE436, 0x52920073, 0x9A7F3D80,
+			0x896E7B1B, 0x2C8BBE5A, 0xBD304F8A, 0xA993E22C,
+			0x134C41A0, 0xFA989E00, 0x39CE9726, 0xFB89FCCF,
+			0xE8FBAC97, 0xD4063FFC, 0x935A2B5A, 0x44C8EE83,
+			0xCB2BC7B6, 0x02989E92, 0x75478BEA, 0x144378D0,
+			0xD853C087, 0x8897A34E, 0xDD23629D, 0xBDE2A2A2,
+			0x581D8ECC, 0x5DA8AEE8, 0xFF8AAFD0, 0xBA2BCF6E,
+			0x4BD98DAC, 0xF2EDB9E4, 0xFA2DC868, 0x47E84661,
+			0xECEB1C7D, 0x41705CA4, 0x5982E4D4, 0xEB5204A1,
+			0xD196CAFB, 0x6414804D, 0x3ABD4B46, 0x8B494C26,
+			0xB432D52B, 0x39C5356B, 0x6EC80BF7, 0x71BE5483,
+			0xCEC4A509, 0xE9411D61, 0x52F341E5, 0xD2E6197B,
+			0x4F02826C, 0xA9E48838, 0xD1F8F247, 0xE4957FB3,
+			0x586CCA99, 0x9A8B6A5B, 0x4998FBEA, 0xF762BE4C,
+			0x90DFE33C, 0x9731511E, 0x88C6A82F, 0xDD65A4D4
+		};
+
 		/// <summary>
 		/// Convert a hexadecimal string to a byte array. The input string must be
 		/// even (i.e. its length is a multiple of 2).
@@ -116,6 +186,63 @@ namespace ModernKeePassLib.Utility
 			return sb.ToString();
 		}

+		/// <summary>
+		/// Decode Base32 strings according to RFC 4648.
+		/// </summary>
+		public static byte[] ParseBase32(string str)
+		{
+			if((str == null) || ((str.Length % 8) != 0))
+			{
+				Debug.Assert(false);
+				return null;
+			}
+
+			ulong uMaxBits = (ulong)str.Length * 5UL;
+			List<byte> l = new List<byte>((int)(uMaxBits / 8UL) + 1);
+			Debug.Assert(l.Count == 0);
+
+			for(int i = 0; i < str.Length; i += 8)
+			{
+				ulong u = 0;
+				int nBits = 0;
+
+				for(int j = 0; j < 8; ++j)
+				{
+					char ch = str[i + j];
+					if(ch == '=') break;
+
+					ulong uValue;
+					if((ch >= 'A') && (ch <= 'Z'))
+						uValue = (ulong)(ch - 'A');
+					else if((ch >= 'a') && (ch <= 'z'))
+						uValue = (ulong)(ch - 'a');
+					else if((ch >= '2') && (ch <= '7'))
+						uValue = (ulong)(ch - '2') + 26UL;
+					else { Debug.Assert(false); return null; }
+
+					u <<= 5;
+					u += uValue;
+					nBits += 5;
+				}
+
+				int nBitsTooMany = (nBits % 8);
+				u >>= nBitsTooMany;
+				nBits -= nBitsTooMany;
+				Debug.Assert((nBits % 8) == 0);
+
+				int idxNewBytes = l.Count;
+				while(nBits > 0)
+				{
+					l.Add((byte)(u & 0xFF));
+					u >>= 8;
+					nBits -= 8;
+				}
+				l.Reverse(idxNewBytes, l.Count - idxNewBytes);
+			}
+
+			return l.ToArray();
+		}
+
 		/// <summary>
 		/// Set all bytes in a byte array to zero.
 		/// </summary>
@@ -123,7 +250,8 @@ namespace ModernKeePassLib.Utility
 		/// to zero.</param>
 		public static void ZeroByteArray(byte[] pbArray)
 		{
-			Debug.Assert(pbArray != null); if(pbArray == null) throw new ArgumentNullException("pbArray");
+			Debug.Assert(pbArray != null);
+			if(pbArray == null) throw new ArgumentNullException("pbArray");

 			// for(int i = 0; i < pbArray.Length; ++i)
 			//	pbArray[i] = 0;
@@ -274,6 +402,31 @@ namespace ModernKeePassLib.Utility
 				pbBuffer[nBufferOffset + i] ^= pbSource[nSourceOffset + i];
 		}

+		/// <summary>
+		/// Fast hash that can be used e.g. for hash tables.
+		/// The algorithm might change in the future; do not store
+		/// the hashes for later use.
+		/// </summary>
+		public static uint Hash32(byte[] v, int iStart, int iLength)
+		{
+			uint u = 0x326F637B;
+
+			if(v == null) { Debug.Assert(false); return u; }
+			if(iStart < 0) { Debug.Assert(false); return u; }
+			if(iLength < 0) { Debug.Assert(false); return u; }
+
+			int m = iStart + iLength;
+			if(m > v.Length) { Debug.Assert(false); return u; }
+
+			for(int i = iStart; i < m; ++i)
+			{
+				u ^= m_vSBox[v[i]];
+				u *= 3;
+			}
+
+			return u;
+		}
+
 		public static void CopyStream(Stream sSource, Stream sTarget)
 		{
 			Debug.Assert((sSource != null) && (sTarget != null));
@@ -282,19 +435,54 @@ namespace ModernKeePassLib.Utility

 			const int nBufSize = 4096;
 			byte[] pbBuf = new byte[nBufSize];
-			int nRead;

-			while((nRead = sSource.Read(pbBuf, 0, nBufSize)) > 0)
+			while(true)
+			{
+				int nRead = sSource.Read(pbBuf, 0, nBufSize);
+				if(nRead == 0) break;
+
 				sTarget.Write(pbBuf, 0, nRead);
+			}

 			// Do not close any of the streams
 		}

+		public static byte[] Read(Stream s, int nCount)
+		{
+			if(s == null) throw new ArgumentNullException("s");
+			if(nCount < 0) throw new ArgumentOutOfRangeException("nCount");
+
+			byte[] pb = new byte[nCount];
+			int iOffset = 0;
+			while(nCount > 0)
+			{
+				int iRead = s.Read(pb, iOffset, nCount);
+				if(iRead == 0) break;
+
+				iOffset += iRead;
+				nCount -= iRead;
+			}
+
+			if(iOffset != pb.Length)
+			{
+				byte[] pbPart = new byte[iOffset];
+				Array.Copy(pb, pbPart, iOffset);
+				return pbPart;
+			}
+
+			return pb;
+		}
+
+		public static void Write(Stream s, byte[] pbData)
+		{
+			if(s == null) { Debug.Assert(false); return; }
+			if(pbData == null) { Debug.Assert(false); return; }
+
+			s.Write(pbData, 0, pbData.Length);
+		}
+
 		public static byte[] Compress(byte[] pbData)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(pbData == null) throw new ArgumentNullException("pbData");
 			if(pbData.Length == 0) return pbData;

@@ -302,20 +490,16 @@ namespace ModernKeePassLib.Utility
 			GZipStream gz = new GZipStream(msCompressed, CompressionMode.Compress);
 			MemoryStream msSource = new MemoryStream(pbData, false);
 			MemUtil.CopyStream(msSource, gz);
-			gz.Close();
-			msSource.Close();
+			gz.Dispose();
+			msSource.Dispose();

 			byte[] pbCompressed = msCompressed.ToArray();
-			msCompressed.Close();
+			msCompressed.Dispose();
 			return pbCompressed;
-#endif
 		}

 		public static byte[] Decompress(byte[] pbCompressed)
 		{
-                        Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(pbCompressed == null) throw new ArgumentNullException("pbCompressed");
 			if(pbCompressed.Length == 0) return pbCompressed;

@@ -323,13 +507,12 @@ namespace ModernKeePassLib.Utility
 			GZipStream gz = new GZipStream(msCompressed, CompressionMode.Decompress);
 			MemoryStream msData = new MemoryStream();
 			MemUtil.CopyStream(gz, msData);
-			gz.Close();
-			msCompressed.Close();
+			gz.Dispose();
+			msCompressed.Dispose();

 			byte[] pbData = msData.ToArray();
-			msData.Close();
+			msData.Dispose();
 			return pbData;
-#endif
 		}

 		public static int IndexOf<T>(T[] vHaystack, T[] vNeedle)
@@ -361,11 +544,81 @@ namespace ModernKeePassLib.Utility
 			if(v == null) throw new ArgumentNullException("v");
 			if(iOffset < 0) throw new ArgumentOutOfRangeException("iOffset");
 			if(iLength < 0) throw new ArgumentOutOfRangeException("iLength");
-			if(iOffset + iLength > v.Length) throw new ArgumentException();
+			if((iOffset + iLength) > v.Length) throw new ArgumentException();

 			T[] r = new T[iLength];
 			Array.Copy(v, iOffset, r, 0, iLength);
 			return r;
 		}
+
+		public static IEnumerable<T> Union<T>(IEnumerable<T> a, IEnumerable<T> b,
+			IEqualityComparer<T> cmp)
+		{
+			if(a == null) throw new ArgumentNullException("a");
+			if(b == null) throw new ArgumentNullException("b");
+
+			Dictionary<T, bool> d = ((cmp != null) ?
+				(new Dictionary<T, bool>(cmp)) : (new Dictionary<T, bool>()));
+
+			foreach(T ta in a)
+			{
+				if(d.ContainsKey(ta)) continue; // Prevent duplicates
+
+				d[ta] = true;
+				yield return ta;
+			}
+
+			foreach(T tb in b)
+			{
+				if(d.ContainsKey(tb)) continue; // Prevent duplicates
+
+				d[tb] = true;
+				yield return tb;
+			}
+
+			yield break;
+		}
+
+		public static IEnumerable<T> Intersect<T>(IEnumerable<T> a, IEnumerable<T> b,
+			IEqualityComparer<T> cmp)
+		{
+			if(a == null) throw new ArgumentNullException("a");
+			if(b == null) throw new ArgumentNullException("b");
+
+			Dictionary<T, bool> d = ((cmp != null) ?
+				(new Dictionary<T, bool>(cmp)) : (new Dictionary<T, bool>()));
+
+			foreach(T tb in b) { d[tb] = true; }
+
+			foreach(T ta in a)
+			{
+				if(d.Remove(ta)) // Prevent duplicates
+					yield return ta;
+			}
+
+			yield break;
+		}
+
+		public static IEnumerable<T> Except<T>(IEnumerable<T> a, IEnumerable<T> b,
+			IEqualityComparer<T> cmp)
+		{
+			if(a == null) throw new ArgumentNullException("a");
+			if(b == null) throw new ArgumentNullException("b");
+
+			Dictionary<T, bool> d = ((cmp != null) ?
+				(new Dictionary<T, bool>(cmp)) : (new Dictionary<T, bool>()));
+
+			foreach(T tb in b) { d[tb] = true; }
+
+			foreach(T ta in a)
+			{
+				if(d.ContainsKey(ta)) continue;
+
+				d[ta] = true; // Prevent duplicates
+				yield return ta;
+			}
+
+			yield break;
+		}
 	}
 }
--- a/ModernKeePassLib/Utility/MessageService.cs
+++ b/ModernKeePassLib/Utility/MessageService.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -17,9 +17,6 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

-/* BERT TODO: All removed for the time being */
-
-#if false
 using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
@@ -121,7 +118,7 @@ namespace ModernKeePassLib.Utility

 				Exception exObj = (obj as Exception);
 				string strObj = (obj as string);
-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 				StringCollection scObj = (obj as StringCollection);
 #endif

@@ -132,7 +129,7 @@ namespace ModernKeePassLib.Utility
 					else if((exObj.Message != null) && (exObj.Message.Length > 0))
 						strAppend = exObj.Message;
 				}
-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 				else if(scObj != null)
 				{
 					StringBuilder sb = new StringBuilder();
@@ -161,24 +158,30 @@ namespace ModernKeePassLib.Utility
 			return sbText.ToString();
 		}

-		private static DialogResult SafeShowMessageBox(string strText, string strTitle,
+#if (!KeePassLibSD && !KeePassRT)
+		internal static Form GetTopForm()
+		{
+			FormCollection fc = Application.OpenForms;
+			if((fc == null) || (fc.Count == 0)) return null;
+
+			return fc[fc.Count - 1];
+		}
+#endif
+
+		internal static DialogResult SafeShowMessageBox(string strText, string strTitle,
 			MessageBoxButtons mb, MessageBoxIcon mi, MessageBoxDefaultButton mdb)
 		{
-#if KeePassLibSD
+#if (KeePassLibSD || KeePassRT)
 			return MessageBox.Show(strText, strTitle, mb, mi, mdb);
 #else
 			IWin32Window wnd = null;
 			try
 			{
-				FormCollection fc = Application.OpenForms;
-				if((fc != null) && (fc.Count > 0))
-				{
-					Form f = fc[fc.Count - 1];
-					if((f != null) && f.InvokeRequired)
-						return (DialogResult)f.Invoke(new SafeShowMessageBoxInternalDelegate(
-							SafeShowMessageBoxInternal), f, strText, strTitle, mb, mi, mdb);
-					else wnd = f;
-				}
+				Form f = GetTopForm();
+				if((f != null) && f.InvokeRequired)
+					return (DialogResult)f.Invoke(new SafeShowMessageBoxInternalDelegate(
+						SafeShowMessageBoxInternal), f, strText, strTitle, mb, mi, mdb);
+				else wnd = f;
 			}
 			catch(Exception) { Debug.Assert(false); }

@@ -203,7 +206,7 @@ namespace ModernKeePassLib.Utility
 #endif
 		}

-#if !KeePassLibSD
+#if (!KeePassLibSD && !KeePassRT)
 		internal delegate DialogResult SafeShowMessageBoxInternalDelegate(IWin32Window iParent,
 			string strText, string strTitle, MessageBoxButtons mb, MessageBoxIcon mi,
 			MessageBoxDefaultButton mdb);
@@ -318,7 +321,8 @@ namespace ModernKeePassLib.Utility
 			return dr;
 		}

-		public static bool AskYesNo(string strText, string strTitle, bool bDefaultToYes)
+		public static bool AskYesNo(string strText, string strTitle, bool bDefaultToYes,
+			MessageBoxIcon mbi)
 		{
 			++m_uCurrentMessageCount;

@@ -327,24 +331,29 @@ namespace ModernKeePassLib.Utility

 			if(MessageService.MessageShowing != null)
 				MessageService.MessageShowing(null, new MessageServiceEventArgs(
-					strTitleEx, strTextEx, MessageBoxButtons.YesNo, m_mbiQuestion));
+					strTitleEx, strTextEx, MessageBoxButtons.YesNo, mbi));

 			DialogResult dr = SafeShowMessageBox(strTextEx, strTitleEx,
-				MessageBoxButtons.YesNo, m_mbiQuestion, bDefaultToYes ?
+				MessageBoxButtons.YesNo, mbi, bDefaultToYes ?
 				MessageBoxDefaultButton.Button1 : MessageBoxDefaultButton.Button2);

 			--m_uCurrentMessageCount;
 			return (dr == DialogResult.Yes);
 		}

+		public static bool AskYesNo(string strText, string strTitle, bool bDefaultToYes)
+		{
+			return AskYesNo(strText, strTitle, bDefaultToYes, m_mbiQuestion);
+		}
+
 		public static bool AskYesNo(string strText, string strTitle)
 		{
-			return AskYesNo(strText, strTitle, true);
+			return AskYesNo(strText, strTitle, true, m_mbiQuestion);
 		}

 		public static bool AskYesNo(string strText)
 		{
-			return AskYesNo(strText, null, true);
+			return AskYesNo(strText, null, true, m_mbiQuestion);
 		}

 		public static void ShowLoadWarning(string strFilePath, Exception ex)
@@ -423,5 +432,3 @@ namespace ModernKeePassLib.Utility
 		}
 	}
 }
-
-#endif // false
--- a/ModernKeePassLib/Utility/MonoWorkarounds.cs
+++ b/ModernKeePassLib/Utility/MonoWorkarounds.cs
@@ -0,0 +1,324 @@
+/*
+  KeePass Password Safe - The Open-Source Password Manager
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using System.ComponentModel;
+using System.Reflection;
+using System.Diagnostics;
+
+using KeePass2PCL.Native;
+
+namespace KeePass2PCL.Utility
+{
+	public static class MonoWorkarounds
+	{
+		private static bool? m_bReq = null;
+		public static bool IsRequired()
+		{
+			if(!m_bReq.HasValue) m_bReq = NativeLib.IsUnix();
+			return m_bReq.Value;
+		}
+
+		// 1245:
+		//   Key events not raised while Alt is down, and nav keys out of order.
+		//   https://sourceforge.net/p/keepass/bugs/1245/
+		// 1254:
+		//   NumericUpDown bug: text is drawn below up/down buttons.
+		//   https://sourceforge.net/p/keepass/bugs/1254/
+		// 5795:
+		//   Text in input field is incomplete.
+		//   https://bugzilla.xamarin.com/show_bug.cgi?id=5795
+		//   https://sourceforge.net/p/keepass/discussion/329220/thread/d23dc88b/
+		// 10163:
+		//   WebRequest GetResponse call missing, breaks WebDAV due to no PUT.
+		//   https://bugzilla.xamarin.com/show_bug.cgi?id=10163
+		//   https://sourceforge.net/p/keepass/bugs/1117/
+		//   https://sourceforge.net/p/keepass/discussion/329221/thread/9422258c/
+		//   https://github.com/mono/mono/commit/8e67b8c2fc7cb66bff7816ebf7c1039fb8cfc43b
+		//   https://bugzilla.xamarin.com/show_bug.cgi?id=1512
+		//   https://sourceforge.net/p/keepass/patches/89/
+		// 12525:
+		//   PictureBox not rendered when bitmap height >= control height.
+		//   https://bugzilla.xamarin.com/show_bug.cgi?id=12525
+		//   https://sourceforge.net/p/keepass/discussion/329220/thread/54f61e9a/
+		// 586901:
+		//   RichTextBox doesn't handle Unicode string correctly.
+		//   https://bugzilla.novell.com/show_bug.cgi?id=586901
+		// 620618:
+		//   ListView column headers not drawn.
+		//   https://bugzilla.novell.com/show_bug.cgi?id=620618
+		// 649266:
+		//   Calling Control.Hide doesn't remove the application from taskbar.
+		//   https://bugzilla.novell.com/show_bug.cgi?id=649266
+		// 686017:
+		//   Minimum sizes must be enforced.
+		//   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686017
+		// 801414:
+		//   Mono recreates the main window incorrectly.
+		//   https://bugs.launchpad.net/ubuntu/+source/keepass2/+bug/801414
+		// 891029:
+		//   Increase tab control height, otherwise Mono throws exceptions.
+		//   https://sourceforge.net/projects/keepass/forums/forum/329221/topic/4519750
+		//   https://bugs.launchpad.net/ubuntu/+source/keepass2/+bug/891029
+		// 836428016:
+		//   ListView group header selection unsupported.
+		//   https://sourceforge.net/p/keepass/discussion/329221/thread/31dae0f0/
+		// 3574233558:
+		//   Problems with minimizing windows, no content rendered.
+		//   https://sourceforge.net/p/keepass/discussion/329220/thread/d50a79d6/
+		public static bool IsRequired(uint uBugID)
+		{
+			if(!MonoWorkarounds.IsRequired()) return false;
+
+			ulong v = NativeLib.MonoVersion;
+			if(v != 0)
+			{
+				if(uBugID == 10163)
+					return (v >= 0x0002000B00000000UL); // >= 2.11
+			}
+
+			return true;
+		}
+
+		public static void ApplyTo(Form f)
+		{
+			if(!MonoWorkarounds.IsRequired()) return;
+			if(f == null) { Debug.Assert(false); return; }
+
+#if (!KeePassLibSD && !KeePassRT)
+			f.HandleCreated += MonoWorkarounds.OnFormHandleCreated;
+			SetWmClass(f);
+
+			ApplyToControlsRec(f.Controls, f, MonoWorkarounds.ApplyToControl);
+#endif
+		}
+
+		public static void Release(Form f)
+		{
+			if(!MonoWorkarounds.IsRequired()) return;
+			if(f == null) { Debug.Assert(false); return; }
+
+#if (!KeePassLibSD && !KeePassRT)
+			f.HandleCreated -= MonoWorkarounds.OnFormHandleCreated;
+
+			ApplyToControlsRec(f.Controls, f, MonoWorkarounds.ReleaseControl);
+#endif
+		}
+
+#if (!KeePassLibSD && !KeePassRT)
+		private delegate void MwaControlHandler(Control c, Form fContext);
+
+		private static void ApplyToControlsRec(Control.ControlCollection cc,
+			Form fContext, MwaControlHandler fn)
+		{
+			if(cc == null) { Debug.Assert(false); return; }
+
+			foreach(Control c in cc)
+			{
+				fn(c, fContext);
+				ApplyToControlsRec(c.Controls, fContext, fn);
+			}
+		}
+
+		private static void ApplyToControl(Control c, Form fContext)
+		{
+			Button btn = (c as Button);
+			if(btn != null) ApplyToButton(btn, fContext);
+
+			NumericUpDown nc = (c as NumericUpDown);
+			if((nc != null) && MonoWorkarounds.IsRequired(1254))
+			{
+				if(nc.TextAlign == HorizontalAlignment.Right)
+					nc.TextAlign = HorizontalAlignment.Left;
+			}
+		}
+
+		private sealed class MwaHandlerInfo
+		{
+			private readonly Delegate m_fnOrg; // May be null
+			public Delegate FunctionOriginal
+			{
+				get { return m_fnOrg; }
+			}
+
+			private readonly Delegate m_fnOvr;
+			public Delegate FunctionOverride
+			{
+				get { return m_fnOvr; }
+			}
+
+			private readonly DialogResult m_dr;
+			public DialogResult Result
+			{
+				get { return m_dr; }
+			}
+
+			private readonly Form m_fContext;
+			public Form FormContext
+			{
+				get { return m_fContext; }
+			}
+
+			public MwaHandlerInfo(Delegate fnOrg, Delegate fnOvr, DialogResult dr,
+				Form fContext)
+			{
+				m_fnOrg = fnOrg;
+				m_fnOvr = fnOvr;
+				m_dr = dr;
+				m_fContext = fContext;
+			}
+		}
+
+		private static EventHandlerList GetEventHandlers(Component c,
+			out object objClickEvent)
+		{
+			FieldInfo fi = typeof(Control).GetField("ClickEvent", // Mono
+				BindingFlags.Static | BindingFlags.NonPublic);
+			if(fi == null)
+				fi = typeof(Control).GetField("EventClick", // .NET
+					BindingFlags.Static | BindingFlags.NonPublic);
+			if(fi == null) { Debug.Assert(false); objClickEvent = null; return null; }
+
+			objClickEvent = fi.GetValue(null);
+			if(objClickEvent == null) { Debug.Assert(false); return null; }
+
+			PropertyInfo pi = typeof(Component).GetProperty("Events",
+				BindingFlags.Instance | BindingFlags.NonPublic);
+			return (pi.GetValue(c, null) as EventHandlerList);
+		}
+
+		private static Dictionary<object, MwaHandlerInfo> m_dictHandlers =
+			new Dictionary<object, MwaHandlerInfo>();
+		private static void ApplyToButton(Button btn, Form fContext)
+		{
+			DialogResult dr = btn.DialogResult;
+			if(dr == DialogResult.None) return; // No workaround required
+
+			object objClickEvent;
+			EventHandlerList ehl = GetEventHandlers(btn, out objClickEvent);
+			if(ehl == null) { Debug.Assert(false); return; }
+			Delegate fnClick = ehl[objClickEvent]; // May be null
+
+			EventHandler fnOvr = new EventHandler(MonoWorkarounds.OnButtonClick);
+			m_dictHandlers[btn] = new MwaHandlerInfo(fnClick, fnOvr, dr, fContext);
+
+			btn.DialogResult = DialogResult.None;
+			if(fnClick != null) ehl.RemoveHandler(objClickEvent, fnClick);
+			ehl[objClickEvent] = fnOvr;
+		}
+
+		private static void ReleaseControl(Control c, Form fContext)
+		{
+			Button btn = (c as Button);
+			if(btn != null) ReleaseButton(btn, fContext);
+		}
+
+		private static void ReleaseButton(Button btn, Form fContext)
+		{
+			MwaHandlerInfo hi;
+			m_dictHandlers.TryGetValue(btn, out hi);
+			if(hi == null) return;
+
+			object objClickEvent;
+			EventHandlerList ehl = GetEventHandlers(btn, out objClickEvent);
+			if(ehl == null) { Debug.Assert(false); return; }
+
+			ehl.RemoveHandler(objClickEvent, hi.FunctionOverride);
+			if(hi.FunctionOriginal != null)
+				ehl[objClickEvent] = hi.FunctionOriginal;
+
+			btn.DialogResult = hi.Result;
+			m_dictHandlers.Remove(btn);
+		}
+
+		private static void OnButtonClick(object sender, EventArgs e)
+		{
+			Button btn = (sender as Button);
+			if(btn == null) { Debug.Assert(false); return; }
+
+			MwaHandlerInfo hi;
+			m_dictHandlers.TryGetValue(btn, out hi);
+			if(hi == null) { Debug.Assert(false); return; }
+
+			Form f = hi.FormContext;
+
+			// Set current dialog result by setting the form's private
+			// variable; the DialogResult property can't be used,
+			// because it raises close events
+			FieldInfo fiRes = typeof(Form).GetField("dialog_result",
+				BindingFlags.Instance | BindingFlags.NonPublic);
+			if(fiRes == null) { Debug.Assert(false); return; }
+			if(f != null) fiRes.SetValue(f, hi.Result);
+
+			if(hi.FunctionOriginal != null)
+				hi.FunctionOriginal.Method.Invoke(hi.FunctionOriginal.Target,
+					new object[] { btn, e });
+
+			// Raise close events, if the click event handler hasn't
+			// reset the dialog result
+			if((f != null) && (f.DialogResult == hi.Result))
+				f.DialogResult = hi.Result; // Raises close events
+		}
+
+		private static void SetWmClass(Form f)
+		{
+			NativeMethods.SetWmClass(f, PwDefs.UnixName, PwDefs.ResClass);
+		}
+
+		private static void OnFormHandleCreated(object sender, EventArgs e)
+		{
+			Form f = (sender as Form);
+			if(f == null) { Debug.Assert(false); return; }
+
+			if(!f.IsHandleCreated) return; // Prevent infinite loop
+
+			SetWmClass(f);
+		}
+
+		/// <summary>
+		/// Set the value of the private <c>shown_raised</c> member
+		/// variable of a form.
+		/// </summary>
+		/// <returns>Previous <c>shown_raised</c> value.</returns>
+		internal static bool ExchangeFormShownRaised(Form f, bool bNewValue)
+		{
+			if(f == null) { Debug.Assert(false); return true; }
+
+			try
+			{
+				FieldInfo fi = typeof(Form).GetField("shown_raised",
+					BindingFlags.Instance | BindingFlags.NonPublic);
+				if(fi == null) { Debug.Assert(false); return true; }
+
+				bool bPrevious = (bool)fi.GetValue(f);
+
+				fi.SetValue(f, bNewValue);
+
+				return bPrevious;
+			}
+			catch(Exception) { Debug.Assert(false); }
+
+			return true;
+		}
+#endif
+	}
+}
--- a/ModernKeePassLib/Utility/StrUtil.cs
+++ b/ModernKeePassLib/Utility/StrUtil.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,22 +18,34 @@
 */

 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Text;
-//using System.Drawing;
-using ModernKeePassLib.WinRTAdaptors;
 using System.IO;
 using System.Text.RegularExpressions;
-
+#if PCL
+using Windows.Security.Cryptography;
+#else
+using System.Security.Cryptography;
+#endif
+using System.Globalization;
+using System.Diagnostics;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Security.Cryptography.DataProtection;
+using Windows.Storage.Streams;
+using Windows.UI;
 using ModernKeePassLib.Collections;
+using ModernKeePassLib.Cryptography.PasswordGenerator;
 using ModernKeePassLib.Security;
+using ModernKeePassLib.Resources;
+using UnicodeEncoding = System.Text.UnicodeEncoding;

 namespace ModernKeePassLib.Utility
 {
-    /// <summary>
-    /// Character stream class.
-    /// </summary>
-    public sealed class CharStream
+	/// <summary>
+	/// Character stream class.
+	/// </summary>
+	public sealed class CharStream
 	{
 		private string m_strString = string.Empty;
 		private int m_nPos = 0;
@@ -208,53 +220,47 @@ namespace ModernKeePassLib.Utility
 		{
 			get
 			{
-				if(m_lEncs == null)
-				{
-					m_lEncs = new List<StrEncodingInfo>();
-#if !KeePassWinRT
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Default,
+				if(m_lEncs != null) return m_lEncs;

+				List<StrEncodingInfo> l = new List<StrEncodingInfo>();

-#if !KeePassLibSD
-						Encoding.Default.EncodingName,
+				l.Add(new StrEncodingInfo(StrEncodingType.Default,
+#if PCL || KeePassRT
+					StrUtil.Utf8.WebName, StrUtil.Utf8, 1, null));
 #else
-						Encoding.Default.WebName,
-#endif
-						Encoding.Default,
-						(uint)Encoding.Default.GetBytes("a").Length, null));
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Ascii,
-						"ASCII", Encoding.ASCII, 1, null));
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf7,
-						"Unicode (UTF-7)", Encoding.UTF7, 1, null));
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf8,
-						"Unicode (UTF-8)", StrUtil.Utf8, 1, new byte[] { 0xEF, 0xBB, 0xBF }));
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf16LE,
-						"Unicode (UTF-16 LE)", new UnicodeEncoding(false, false),
-						2, new byte[] { 0xFF, 0xFE }));
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf16BE,
-						"Unicode (UTF-16 BE)", new UnicodeEncoding(true, false),
-						2, new byte[] { 0xFE, 0xFF }));
 #if !KeePassLibSD
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf32LE,
-						"Unicode (UTF-32 LE)", new UTF32Encoding(false, false),
-						4, new byte[] { 0xFF, 0xFE, 0x0, 0x0 }));
-					m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf32BE,
-						"Unicode (UTF-32 BE)", new UTF32Encoding(true, false),
-						4, new byte[] { 0x0, 0x0, 0xFE, 0xFF }));
+					Encoding.Default.EncodingName,
+#else
+					Encoding.Default.WebName,
 #endif
-#else // KeePassWinRT
-                    m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf8,
-                        "Unicode (UTF-8)", StrUtil.Utf8, 1, new byte[] { 0xEF, 0xBB, 0xBF }));
-                    m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf16LE,
-                        "Unicode (UTF-16 LE)", new UnicodeEncoding(false, false),
-                        2, new byte[] { 0xFF, 0xFE }));
-                    m_lEncs.Add(new StrEncodingInfo(StrEncodingType.Utf16BE,
-                        "Unicode (UTF-16 BE)", new UnicodeEncoding(true, false),
-                        2, new byte[] { 0xFE, 0xFF }));
+					Encoding.Default,
+					(uint)Encoding.Default.GetBytes("a").Length, null));
+#endif
+#if !PCL && !KeePassRT
+				l.Add(new StrEncodingInfo(StrEncodingType.Ascii,
+					"ASCII", Encoding.ASCII, 1, null));
+				l.Add(new StrEncodingInfo(StrEncodingType.Utf7,
+					"Unicode (UTF-7)", Encoding.UTF7, 1, null));
+#endif
+				l.Add(new StrEncodingInfo(StrEncodingType.Utf8,
+					"Unicode (UTF-8)", StrUtil.Utf8, 1, new byte[] { 0xEF, 0xBB, 0xBF }));
+				l.Add(new StrEncodingInfo(StrEncodingType.Utf16LE,
+					"Unicode (UTF-16 LE)", new UnicodeEncoding(false, false),
+					2, new byte[] { 0xFF, 0xFE }));
+				l.Add(new StrEncodingInfo(StrEncodingType.Utf16BE,
+					"Unicode (UTF-16 BE)", new UnicodeEncoding(true, false),
+					2, new byte[] { 0xFE, 0xFF }));
+#if (!PCL && !KeePassLibSD && !KeePassRT)
+				l.Add(new StrEncodingInfo(StrEncodingType.Utf32LE,
+					"Unicode (UTF-32 LE)", new UTF32Encoding(false, false),
+					4, new byte[] { 0xFF, 0xFE, 0x0, 0x0 }));
+				l.Add(new StrEncodingInfo(StrEncodingType.Utf32BE,
+					"Unicode (UTF-32 BE)", new UTF32Encoding(true, false),
+					4, new byte[] { 0x0, 0x0, 0xFE, 0xFF }));
 #endif
-                }

-				return m_lEncs;
+				m_lEncs = l;
+				return l;
 			}
 		}

@@ -282,16 +288,21 @@ namespace ModernKeePassLib.Utility
 		//	{
 		//		char ch = str[i];
 		//		if((int)ch >= 256)
-		//		{
-		//			sbEncoded.Append("\\u");
-		//			sbEncoded.Append((int)ch);
-		//			sbEncoded.Append('?');
-		//		}
+		//			sbEncoded.Append(StrUtil.RtfEncodeChar(ch));
 		//		else sbEncoded.Append(ch);
 		//	}
 		//	return sbEncoded.ToString();
 		// }

+		public static string RtfEncodeChar(char ch)
+		{
+			// Unicode character values must be encoded using
+			// 16-bit numbers (decimal); Unicode values greater
+			// than 32767 must be expressed as negative numbers
+			short sh = (short)ch;
+			return ("\\u" + sh.ToString(NumberFormatInfo.InvariantInfo) + "?");
+		}
+
 		/// <summary>
 		/// Convert a string into a valid HTML sequence representing that string.
 		/// </summary>
@@ -308,7 +319,7 @@ namespace ModernKeePassLib.Utility
 			str = str.Replace("\'", @"&#39;");

 			str = NormalizeNewLines(str, false);
-			str = str.Replace("\n", @"<br />");
+			str = str.Replace("\n", @"<br />" + Environment.NewLine);

 			return str;
 		}
@@ -479,59 +490,59 @@ namespace ModernKeePassLib.Utility
 		/// <returns>String representing the exception.</returns>
 		public static string FormatException(Exception excp)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return "";
-#if TODO
 			string strText = string.Empty;
 			
 			if(excp.Message != null)
-				strText += excp.Message + MessageService.NewLine;
+				strText += excp.Message + Environment.NewLine;
 #if !KeePassLibSD
 			if(excp.Source != null)
-				strText += excp.Source + MessageService.NewLine;
+				strText += excp.Source + Environment.NewLine;
 #endif
 			if(excp.StackTrace != null)
-				strText += excp.StackTrace + MessageService.NewLine;
+				strText += excp.StackTrace + Environment.NewLine;
 #if !KeePassLibSD
+#if !PCL && !KeePassRT
 			if(excp.TargetSite != null)
 				strText += excp.TargetSite.ToString() + MessageService.NewLine;
+#endif

 			if(excp.Data != null)
 			{
-				strText += MessageService.NewLine;
+				strText += Environment.NewLine;
 				foreach(DictionaryEntry de in excp.Data)
 					strText += @"'" + de.Key + @"' -> '" + de.Value + @"'" +
-						MessageService.NewLine;
+						Environment.NewLine;
 			}
 #endif

 			if(excp.InnerException != null)
 			{
-				strText += MessageService.NewLine + "Inner:" + MessageService.NewLine;
+				strText += Environment.NewLine + "Inner:" + Environment.NewLine;
 				if(excp.InnerException.Message != null)
-					strText += excp.InnerException.Message + MessageService.NewLine;
+					strText += excp.InnerException.Message + Environment.NewLine;
 #if !KeePassLibSD
 				if(excp.InnerException.Source != null)
-					strText += excp.InnerException.Source + MessageService.NewLine;
+					strText += excp.InnerException.Source + Environment.NewLine;
 #endif
 				if(excp.InnerException.StackTrace != null)
-					strText += excp.InnerException.StackTrace + MessageService.NewLine;
+					strText += excp.InnerException.StackTrace + Environment.NewLine;
 #if !KeePassLibSD
+#if !PCL && !KeePassRT
 				if(excp.InnerException.TargetSite != null)
 					strText += excp.InnerException.TargetSite.ToString();
+#endif

 				if(excp.InnerException.Data != null)
 				{
-					strText += MessageService.NewLine;
+					strText += Environment.NewLine;
 					foreach(DictionaryEntry de in excp.InnerException.Data)
 						strText += @"'" + de.Key + @"' -> '" + de.Value + @"'" +
-							MessageService.NewLine;
+							Environment.NewLine;
 				}
 #endif
 			}

 			return strText;
-#endif
 		}

 		public static bool TryParseUShort(string str, out ushort u)
@@ -550,7 +561,25 @@ namespace ModernKeePassLib.Utility
 			return int.TryParse(str, out n);
 #else
 			try { n = int.Parse(str); return true; }
-			catch(Exception) { n = 0; return false; }
+			catch(Exception) { n = 0; }
+			return false;
+#endif
+		}
+
+		public static bool TryParseIntInvariant(string str, out int n)
+		{
+#if !KeePassLibSD
+			return int.TryParse(str, NumberStyles.Integer,
+				NumberFormatInfo.InvariantInfo, out n);
+#else
+			try
+			{
+				n = int.Parse(str, NumberStyles.Integer,
+					NumberFormatInfo.InvariantInfo);
+				return true;
+			}
+			catch(Exception) { n = 0; }
+			return false;
 #endif
 		}

@@ -560,7 +589,25 @@ namespace ModernKeePassLib.Utility
 			return uint.TryParse(str, out u);
 #else
 			try { u = uint.Parse(str); return true; }
-			catch(Exception) { u = 0; return false; }
+			catch(Exception) { u = 0; }
+			return false;
+#endif
+		}
+
+		public static bool TryParseUIntInvariant(string str, out uint u)
+		{
+#if !KeePassLibSD
+			return uint.TryParse(str, NumberStyles.Integer,
+				NumberFormatInfo.InvariantInfo, out u);
+#else
+			try
+			{
+				u = uint.Parse(str, NumberStyles.Integer,
+					NumberFormatInfo.InvariantInfo);
+				return true;
+			}
+			catch(Exception) { u = 0; }
+			return false;
 #endif
 		}

@@ -570,7 +617,25 @@ namespace ModernKeePassLib.Utility
 			return long.TryParse(str, out n);
 #else
 			try { n = long.Parse(str); return true; }
-			catch(Exception) { n = 0; return false; }
+			catch(Exception) { n = 0; }
+			return false;
+#endif
+		}
+
+		public static bool TryParseLongInvariant(string str, out long n)
+		{
+#if !KeePassLibSD
+			return long.TryParse(str, NumberStyles.Integer,
+				NumberFormatInfo.InvariantInfo, out n);
+#else
+			try
+			{
+				n = long.Parse(str, NumberStyles.Integer,
+					NumberFormatInfo.InvariantInfo);
+				return true;
+			}
+			catch(Exception) { n = 0; }
+			return false;
 #endif
 		}

@@ -580,7 +645,25 @@ namespace ModernKeePassLib.Utility
 			return ulong.TryParse(str, out u);
 #else
 			try { u = ulong.Parse(str); return true; }
-			catch(Exception) { u = 0; return false; }
+			catch(Exception) { u = 0; }
+			return false;
+#endif
+		}
+
+		public static bool TryParseULongInvariant(string str, out ulong u)
+		{
+#if !KeePassLibSD
+			return ulong.TryParse(str, NumberStyles.Integer,
+				NumberFormatInfo.InvariantInfo, out u);
+#else
+			try
+			{
+				u = ulong.Parse(str, NumberStyles.Integer,
+					NumberFormatInfo.InvariantInfo);
+				return true;
+			}
+			catch(Exception) { u = 0; }
+			return false;
 #endif
 		}

@@ -648,19 +731,34 @@ namespace ModernKeePassLib.Utility
 			Debug.Assert(strText != null); // No throw
 			if(string.IsNullOrEmpty(strText)) return strText;

-			char[] vChars = strText.ToCharArray();
-			StringBuilder sb = new StringBuilder(strText.Length, strText.Length);
-			char ch;
+			int nLength = strText.Length;
+			StringBuilder sb = new StringBuilder(nLength);

-			for(int i = 0; i < vChars.Length; ++i)
+			for(int i = 0; i < nLength; ++i)
 			{
-				ch = vChars[i];
+				char ch = strText[i];

-				if(((ch >= 0x20) && (ch <= 0xD7FF)) ||
-					(ch == 0x9) || (ch == 0xA) || (ch == 0xD) ||
-					((ch >= 0xE000) && (ch <= 0xFFFD)))
+				if(((ch >= '\u0020') && (ch <= '\uD7FF')) ||
+					(ch == '\u0009') || (ch == '\u000A') || (ch == '\u000D') ||
+					((ch >= '\uE000') && (ch <= '\uFFFD')))
 					sb.Append(ch);
-				// Range ((ch >= 0x10000) && (ch <= 0x10FFFF)) excluded
+				else if((ch >= '\uD800') && (ch <= '\uDBFF')) // High surrogate
+				{
+					if((i + 1) < nLength)
+					{
+						char chLow = strText[i + 1];
+						if((chLow >= '\uDC00') && (chLow <= '\uDFFF')) // Low sur.
+						{
+							sb.Append(ch);
+							sb.Append(chLow);
+							++i;
+						}
+						else { Debug.Assert(false); } // Low sur. invalid
+					}
+					else { Debug.Assert(false); } // Low sur. missing
+				}
+
+				Debug.Assert((ch < '\uDC00') || (ch > '\uDFFF')); // Lonely low sur.
 			}

 			return sb.ToString();
@@ -669,22 +767,24 @@ namespace ModernKeePassLib.Utility
 		private static Regex m_rxNaturalSplit = null;
 		public static int CompareNaturally(string strX, string strY)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return 0;
-#if TODO
 			Debug.Assert(strX != null);
 			if(strX == null) throw new ArgumentNullException("strX");
 			Debug.Assert(strY != null);
 			if(strY == null) throw new ArgumentNullException("strY");

-			if(NativeMethods.SupportsStrCmpNaturally)
-				return NativeMethods.StrCmpNaturally(strX, strY);
+			/*if(NativeMethods.SupportsStrCmpNaturally)
+				return NativeMethods.StrCmpNaturally(strX, strY);*/

 			strX = strX.ToLower(); // Case-insensitive comparison
 			strY = strY.ToLower();

 			if(m_rxNaturalSplit == null)
-				m_rxNaturalSplit = new Regex(@"([0-9]+)", RegexOptions.Compiled);
+				m_rxNaturalSplit = new Regex(@"([0-9]+)",
+#if PCL || KeePassRT
+					RegexOptions.None);
+#else
+					RegexOptions.Compiled);
+#endif

 			string[] vPartsX = m_rxNaturalSplit.Split(strX);
 			string[] vPartsY = m_rxNaturalSplit.Split(strY);
@@ -716,7 +816,6 @@ namespace ModernKeePassLib.Utility
 			if(vPartsX.Length == vPartsY.Length) return 0;
 			if(vPartsX.Length < vPartsY.Length) return -1;
 			return 1;
-#endif
 		}

 		public static string RemoveAccelerator(string strMenuText)
@@ -740,6 +839,54 @@ namespace ModernKeePassLib.Utility
 			return str;
 		}

+		public static string AddAccelerator(string strMenuText,
+			List<char> lAvailKeys)
+		{
+			if(strMenuText == null) { Debug.Assert(false); return null; }
+			if(lAvailKeys == null) { Debug.Assert(false); return strMenuText; }
+
+			int xa = -1, xs = 0;
+			for(int i = 0; i < strMenuText.Length; ++i)
+			{
+				char ch = strMenuText[i];
+
+#if KeePassLibSD
+				char chUpper = char.ToUpper(ch);
+#else
+				char chUpper = char.ToUpperInvariant(ch);
+#endif
+				xa = lAvailKeys.IndexOf(chUpper);
+				if(xa >= 0) { xs = i; break; }
+
+#if KeePassLibSD
+				char chLower = char.ToLower(ch);
+#else
+				char chLower = char.ToLowerInvariant(ch);
+#endif
+				xa = lAvailKeys.IndexOf(chLower);
+				if(xa >= 0) { xs = i; break; }
+			}
+
+			if(xa < 0) return strMenuText;
+
+			lAvailKeys.RemoveAt(xa);
+			return strMenuText.Insert(xs, @"&");
+		}
+
+		public static string EncodeMenuText(string strText)
+		{
+			if(strText == null) throw new ArgumentNullException("strText");
+
+			return strText.Replace(@"&", @"&&");
+		}
+
+		public static string EncodeToolTipText(string strText)
+		{
+			if(strText == null) throw new ArgumentNullException("strText");
+
+			return strText.Replace(@"&", @"&&&");
+		}
+
 		public static bool IsHexString(string str, bool bStrict)
 		{
 			if(str == null) throw new ArgumentNullException("str");
@@ -888,6 +1035,36 @@ namespace ModernKeePassLib.Utility
 			}
 		}

+		public static string GetNewLineSeq(string str)
+		{
+			if(str == null) { Debug.Assert(false); return Environment.NewLine; }
+
+			int n = str.Length, nLf = 0, nCr = 0, nCrLf = 0;
+			char chLast = char.MinValue;
+			for(int i = 0; i < n; ++i)
+			{
+				char ch = str[i];
+
+				if(ch == '\r') ++nCr;
+				else if(ch == '\n')
+				{
+					++nLf;
+					if(chLast == '\r') ++nCrLf;
+				}
+
+				chLast = ch;
+			}
+
+			nCr -= nCrLf;
+			nLf -= nCrLf;
+
+			int nMax = Math.Max(nCrLf, Math.Max(nCr, nLf));
+			if(nMax == 0) return Environment.NewLine;
+
+			if(nCrLf == nMax) return "\r\n";
+			return ((nLf == nMax) ? "\n" : "\r");
+		}
+
 		public static string AlphaNumericOnly(string str)
 		{
 			if(string.IsNullOrEmpty(str)) return str;
@@ -965,85 +1142,85 @@ namespace ModernKeePassLib.Utility

 		public static string VersionToString(ulong uVersion)
 		{
-			return VersionToString(uVersion, false);
+			return VersionToString(uVersion, 1U);
 		}

+		[Obsolete]
 		public static string VersionToString(ulong uVersion,
 			bool bEnsureAtLeastTwoComp)
 		{
-			string str = string.Empty;
-			bool bMultiComp = false;
+			return VersionToString(uVersion, (bEnsureAtLeastTwoComp ? 2U : 1U));
+		}
+
+		public static string VersionToString(ulong uVersion, uint uMinComp)
+		{
+			StringBuilder sb = new StringBuilder();
+			uint uComp = 0;

 			for(int i = 0; i < 4; ++i)
 			{
-				ushort us = (ushort)(uVersion & 0xFFFFUL);
+				if(uVersion == 0UL) break;

-				if((us != 0) || (str.Length > 0))
-				{
-					if(str.Length > 0)
-					{
-						str = "." + str;
-						bMultiComp = true;
-					}
+				ushort us = (ushort)(uVersion >> 48);

-					str = us.ToString() + str;
-				}
+				if(sb.Length > 0) sb.Append('.');

-				uVersion >>= 16;
+				sb.Append(us.ToString(NumberFormatInfo.InvariantInfo));
+				++uComp;
+
+				uVersion <<= 16;
 			}

-			if(bEnsureAtLeastTwoComp && !bMultiComp && (str.Length > 0))
-				str += ".0";
+			while(uComp < uMinComp)
+			{
+				if(sb.Length > 0) sb.Append('.');

-			return str;
+				sb.Append('0');
+				++uComp;
+			}
+
+			return sb.ToString();
 		}

 		private static readonly byte[] m_pbOptEnt = { 0xA5, 0x74, 0x2E, 0xEC };

 		public static string EncryptString(string strPlainText)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(string.IsNullOrEmpty(strPlainText)) return string.Empty;

 			try
 			{
 				byte[] pbPlain = StrUtil.Utf8.GetBytes(strPlainText);
-				byte[] pbEnc = ProtectedData.Protect(pbPlain, m_pbOptEnt,
-					DataProtectionScope.CurrentUser);

-#if !KeePassLibSD
+			    var provider = new DataProtectionProvider("Local=user");
+			    var pbEnc = provider.ProtectAsync(pbPlain.AsBuffer()).GetResults();
+
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 				return Convert.ToBase64String(pbEnc, Base64FormattingOptions.None);
 #else
-				return Convert.ToBase64String(pbEnc);
+				return Convert.ToBase64String(pbEnc.ToArray());
 #endif
 			}
 			catch(Exception) { Debug.Assert(false); }

 			return strPlainText;
-#endif
 		}

 		public static string DecryptString(string strCipherText)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(string.IsNullOrEmpty(strCipherText)) return string.Empty;

 			try
 			{
 				byte[] pbEnc = Convert.FromBase64String(strCipherText);
-				byte[] pbPlain = ProtectedData.Unprotect(pbEnc, m_pbOptEnt,
-					DataProtectionScope.CurrentUser);
-
+			    var provider = new DataProtectionProvider("Local=user");
+			    var pbPlain = provider.UnprotectAsync(pbEnc.AsBuffer()).GetResults().ToArray();
+                
 				return StrUtil.Utf8.GetString(pbPlain, 0, pbPlain.Length);
 			}
 			catch(Exception) { Debug.Assert(false); }

 			return strCipherText;
-#endif
 		}

 		public static string SerializeIntArray(int[] vNumbers)
@@ -1054,7 +1231,7 @@ namespace ModernKeePassLib.Utility
 			for(int i = 0; i < vNumbers.Length; ++i)
 			{
 				if(i > 0) sb.Append(' ');
-				sb.Append(vNumbers[i]);
+				sb.Append(vNumbers[i].ToString(NumberFormatInfo.InvariantInfo));
 			}

 			return sb.ToString();
@@ -1071,7 +1248,7 @@ namespace ModernKeePassLib.Utility
 			for(int i = 0; i < vParts.Length; ++i)
 			{
 				int n;
-				if(!TryParseInt(vParts[i], out n)) { Debug.Assert(false); }
+				if(!TryParseIntInvariant(vParts[i], out n)) { Debug.Assert(false); }
 				v[i] = n;
 			}

@@ -1131,7 +1308,7 @@ namespace ModernKeePassLib.Utility
 			Array.Reverse(pb);
 			for(int i = 0; i < pb.Length; ++i) pb[i] = (byte)(pb[i] ^ 0x65);

-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			return Convert.ToBase64String(pb, Base64FormattingOptions.None);
 #else
 			return Convert.ToBase64String(pb);
@@ -1249,9 +1426,33 @@ namespace ModernKeePassLib.Utility

 		public static bool IsDataUri(string strUri)
 		{
-			if(strUri == null) { Debug.Assert(false); return false; }
+			return IsDataUri(strUri, null);
+		}

-			return strUri.StartsWith("data:", StrUtil.CaseIgnoreCmp);
+		public static bool IsDataUri(string strUri, string strReqMimeType)
+		{
+			if(strUri == null) { Debug.Assert(false); return false; }
+			// strReqMimeType may be null
+
+			const string strPrefix = "data:";
+			if(!strUri.StartsWith(strPrefix, StrUtil.CaseIgnoreCmp))
+				return false;
+
+			int iC = strUri.IndexOf(',');
+			if(iC < 0) return false;
+
+			if(!string.IsNullOrEmpty(strReqMimeType))
+			{
+				int iS = strUri.IndexOf(';', 0, iC);
+				int iTerm = ((iS >= 0) ? iS : iC);
+
+				string strMime = strUri.Substring(strPrefix.Length,
+					iTerm - strPrefix.Length);
+				if(!strMime.Equals(strReqMimeType, StrUtil.CaseIgnoreCmp))
+					return false;
+			}
+
+			return true;
 		}

 		/// <summary>
@@ -1267,7 +1468,7 @@ namespace ModernKeePassLib.Utility

 			if(strMimeType == null) strMimeType = "application/octet-stream";

-#if !KeePassLibSD && TODO
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			return ("data:" + strMimeType + ";base64," + Convert.ToBase64String(
 				pbData, Base64FormattingOptions.None));
 #else
@@ -1283,9 +1484,6 @@ namespace ModernKeePassLib.Utility
 		/// <returns>Decoded binary data.</returns>
 		public static byte[] DataUriToData(string strDataUri)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(strDataUri == null) throw new ArgumentNullException("strDataUri");
 			if(!strDataUri.StartsWith("data:", StrUtil.CaseIgnoreCmp)) return null;

@@ -1301,20 +1499,25 @@ namespace ModernKeePassLib.Utility

 			MemoryStream ms = new MemoryStream();

+#if PCL || KeePassRT
+			Encoding enc = StrUtil.Utf8;
+#else
+			Encoding enc = Encoding.ASCII;
+#endif
+
 			string[] v = strData.Split('%');
-			byte[] pb = Encoding.ASCII.GetBytes(v[0]);
+			byte[] pb = enc.GetBytes(v[0]);
 			ms.Write(pb, 0, pb.Length);
 			for(int i = 1; i < v.Length; ++i)
 			{
 				ms.WriteByte(Convert.ToByte(v[i].Substring(0, 2), 16));
-				pb = Encoding.ASCII.GetBytes(v[i].Substring(2));
+				pb = enc.GetBytes(v[i].Substring(2));
 				ms.Write(pb, 0, pb.Length);
 			}

 			pb = ms.ToArray();
-			ms.Close();
+			ms.Dispose();
 			return pb;
-#endif
 		}

 		/// <summary>
@@ -1358,5 +1561,72 @@ namespace ModernKeePassLib.Utility

 			return null;
 		}
+
+		private static string[] m_vPrefSepChars = null;
+		/// <summary>
+		/// Find a character that does not occur within a given text.
+		/// </summary>
+		public static char GetUnusedChar(string strText)
+		{
+			if(strText == null) { Debug.Assert(false); return '@'; }
+
+			if(m_vPrefSepChars == null)
+				m_vPrefSepChars = new string[5] {
+					"@!$%#/\\:;,.*-_?",
+					PwCharSet.UpperCase, PwCharSet.LowerCase,
+					PwCharSet.Digits, PwCharSet.PrintableAsciiSpecial
+				};
+
+			for(int i = 0; i < m_vPrefSepChars.Length; ++i)
+			{
+				foreach(char ch in m_vPrefSepChars[i])
+				{
+					if(strText.IndexOf(ch) < 0) return ch;
+				}
+			}
+
+			for(char ch = '\u00C0'; ch < char.MaxValue; ++ch)
+			{
+				if(strText.IndexOf(ch) < 0) return ch;
+			}
+
+			return char.MinValue;
+		}
+
+		public static char ByteToSafeChar(byte bt)
+		{
+			const char chDefault = '.';
+
+			// 00-1F are C0 control chars
+			if(bt < 0x20) return chDefault;
+
+			// 20-7F are basic Latin; 7F is DEL
+			if(bt < 0x7F) return (char)bt;
+
+			// 80-9F are C1 control chars
+			if(bt < 0xA0) return chDefault;
+
+			// A0-FF are Latin-1 supplement; AD is soft hyphen
+			if(bt == 0xAD) return '-';
+			return (char)bt;
+		}
+
+		public static int Count(string str, string strNeedle)
+		{
+			if(str == null) { Debug.Assert(false); return 0; }
+			if(string.IsNullOrEmpty(strNeedle)) { Debug.Assert(false); return 0; }
+
+			int iOffset = 0, iCount = 0;
+			while(iOffset < str.Length)
+			{
+				int p = str.IndexOf(strNeedle, iOffset);
+				if(p < 0) break;
+
+				++iCount;
+				iOffset = p + 1;
+			}
+
+			return iCount;
+		}
 	}
 }
--- a/ModernKeePassLib/Utility/TimeUtil.cs
+++ b/ModernKeePassLib/Utility/TimeUtil.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -18,8 +18,13 @@
 */

 using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Globalization;
 using System.Diagnostics;

+using ModernKeePassLib.Interfaces;
+
 namespace ModernKeePassLib.Utility
 {
 	/// <summary>
@@ -33,6 +38,11 @@ namespace ModernKeePassLib.Utility
 		/// </summary>
 		public const int PwTimeLength = 7;

+#if !KeePassLibSD
+		private static string m_strDtfStd = null;
+		private static string m_strDtfDate = null;
+#endif
+
 		/// <summary>
 		/// Pack a <c>DateTime</c> object into 5 bytes. Layout: 2 zero bits,
 		/// year 12 bits, month 4 bits, day 5 bits, hour 5 bits, minute 6
@@ -138,17 +148,118 @@ namespace ModernKeePassLib.Utility
 		{
 			DateTime dt;

-#if !KeePassLibSD
-			if(DateTime.TryParse(strDisplay, out dt)) return dt;
-#else
+#if KeePassLibSD
 			try { dt = DateTime.Parse(strDisplay); return dt; }
 			catch(Exception) { }
+#else
+			if(DateTime.TryParse(strDisplay, out dt)) return dt;
+
+			// For some custom formats specified using the Control Panel,
+			// DateTime.ToString returns the correct string, but
+			// DateTime.TryParse fails (e.g. for "//dd/MMM/yyyy");
+			// https://sourceforge.net/p/keepass/discussion/329221/thread/3a225b29/?limit=25&page=1#c6ae
+			if((m_strDtfStd == null) || (m_strDtfDate == null))
+			{
+				DateTime dtUni = new DateTime(2111, 3, 4, 5, 6, 7);
+				m_strDtfStd = DeriveCustomFormat(ToDisplayString(dtUni), dtUni);
+				m_strDtfDate = DeriveCustomFormat(ToDisplayStringDateOnly(dtUni), dtUni);
+			}
+			const DateTimeStyles dts = DateTimeStyles.AllowWhiteSpaces;
+			if(DateTime.TryParseExact(strDisplay, m_strDtfStd, null, dts, out dt))
+				return dt;
+			if(DateTime.TryParseExact(strDisplay, m_strDtfDate, null, dts, out dt))
+				return dt;
 #endif

 			Debug.Assert(false);
 			return DateTime.Now;
 		}

+#if !KeePassLibSD
+		private static string DeriveCustomFormat(string strDT, DateTime dt)
+		{
+			string[] vPlh = new string[] {
+				// Names, sorted by length
+				"MMMM", "dddd",
+				"MMM", "ddd",
+				"gg", "g",
+
+				// Numbers, the ones with prefix '0' first
+				"yyyy", "yyy", "yy", "y",
+				"MM", "M",
+				"dd", "d",
+				"HH", "hh", "H", "h",
+				"mm", "m",
+				"ss", "s",
+
+				"tt", "t"
+			};
+
+			List<string> lValues = new List<string>();
+			foreach(string strPlh in vPlh)
+			{
+				string strEval = strPlh;
+				if(strEval.Length == 1) strEval = @"%" + strPlh; // Make custom
+
+				lValues.Add(dt.ToString(strEval));
+			}
+
+			StringBuilder sbAll = new StringBuilder();
+			sbAll.Append("dfFghHKmMstyz:/\"\'\\%");
+			sbAll.Append(strDT);
+			foreach(string strVEnum in lValues) { sbAll.Append(strVEnum); }
+
+			List<char> lCodes = new List<char>();
+			for(int i = 0; i < vPlh.Length; ++i)
+			{
+				char ch = StrUtil.GetUnusedChar(sbAll.ToString());
+				lCodes.Add(ch);
+				sbAll.Append(ch);
+			}
+
+			string str = strDT;
+			for(int i = 0; i < vPlh.Length; ++i)
+			{
+				string strValue = lValues[i];
+				if(string.IsNullOrEmpty(strValue)) continue;
+
+				str = str.Replace(strValue, new string(lCodes[i], 1));
+			}
+
+			StringBuilder sbFmt = new StringBuilder();
+			bool bInLiteral = false;
+			foreach(char ch in str)
+			{
+				int iCode = lCodes.IndexOf(ch);
+
+				// The escape character doesn't work correctly (e.g.
+				// "dd\\.MM\\.yyyy\\ HH\\:mm\\:ss" doesn't work, but
+				// "dd'.'MM'.'yyyy' 'HH':'mm':'ss" does); use '' instead
+
+				// if(iCode >= 0) sbFmt.Append(vPlh[iCode]);
+				// else // Literal
+				// {
+				//	sbFmt.Append('\\');
+				//	sbFmt.Append(ch);
+				// }
+
+				if(iCode >= 0)
+				{
+					if(bInLiteral) { sbFmt.Append('\''); bInLiteral = false; }
+					sbFmt.Append(vPlh[iCode]);
+				}
+				else // Literal
+				{
+					if(!bInLiteral) { sbFmt.Append('\''); bInLiteral = true; }
+					sbFmt.Append(ch);
+				}
+			}
+			if(bInLiteral) sbFmt.Append('\'');
+
+			return sbFmt.ToString();
+		}
+#endif
+
 		public static string SerializeUtc(DateTime dt)
 		{
 			string str = dt.ToUniversalTime().ToString("s");
@@ -218,5 +329,44 @@ namespace ModernKeePassLib.Utility
 			return null;
 		}
 #endif
+
+		private static readonly DateTime m_dtInvMin =
+			new DateTime(2999, 12, 27, 23, 59, 59);
+		private static readonly DateTime m_dtInvMax =
+			new DateTime(2999, 12, 29, 23, 59, 59);
+		public static int Compare(DateTime dtA, DateTime dtB, bool bUnkIsPast)
+		{
+			if(bUnkIsPast)
+			{
+				// 2999-12-28 23:59:59 in KeePass 1.x means 'unknown';
+				// expect time zone corruption (twice)
+				// bool bInvA = ((dtA.Year == 2999) && (dtA.Month == 12) &&
+				//	(dtA.Day >= 27) && (dtA.Day <= 29) && (dtA.Minute == 59) &&
+				//	(dtA.Second == 59));
+				// bool bInvB = ((dtB.Year == 2999) && (dtB.Month == 12) &&
+				//	(dtB.Day >= 27) && (dtB.Day <= 29) && (dtB.Minute == 59) &&
+				//	(dtB.Second == 59));
+				// Faster due to internal implementation of DateTime:
+				bool bInvA = ((dtA >= m_dtInvMin) && (dtA <= m_dtInvMax) &&
+					(dtA.Minute == 59) && (dtA.Second == 59));
+				bool bInvB = ((dtB >= m_dtInvMin) && (dtB <= m_dtInvMax) &&
+					(dtB.Minute == 59) && (dtB.Second == 59));
+
+				if(bInvA) return (bInvB ? 0 : -1);
+				if(bInvB) return 1;
+			}
+
+			return dtA.CompareTo(dtB);
+		}
+
+		internal static int CompareLastMod(ITimeLogger tlA, ITimeLogger tlB,
+			bool bUnkIsPast)
+		{
+			if(tlA == null) { Debug.Assert(false); return ((tlB == null) ? 0 : -1); }
+			if(tlB == null) { Debug.Assert(false); return 1; }
+
+			return Compare(tlA.LastModificationTime, tlB.LastModificationTime,
+				bUnkIsPast);
+		}
 	}
 }
--- a/ModernKeePassLib/Utility/UrlUtil.cs
+++ b/ModernKeePassLib/Utility/UrlUtil.cs
@@ -1,6 +1,6 @@
 /*
  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -20,11 +20,13 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Diagnostics;
 using System.Runtime.InteropServices;
 using System.Text;
+using System.Diagnostics;

-using ModernKeePassLib.Native;
+#if PCL
+using Windows.Storage;
+#endif

 namespace ModernKeePassLib.Utility
 {
@@ -34,16 +36,30 @@ namespace ModernKeePassLib.Utility
 	/// </summary>
 	public static class UrlUtil
 	{
-        // Bert TODO: Temporary fix, most of this class is not needed in WINRT.
-        private static readonly char DirectorySeparatorChar = '/';
+		private static readonly char[] m_vDirSeps = new char[] {
+			'\\', '/', UrlUtil.LocalDirSepChar };
+#if !PCL
+		private static readonly char[] m_vPathTrimCharsWs = new char[] {
+			'\"', ' ', '\t', '\r', '\n' };
+#endif

-		private static readonly char[] m_vDirSeps = new char[] { '\\', '/',
-			DirectorySeparatorChar };
+		public static char LocalDirSepChar
+		{
+#if KeePassRT
+			get { return '\\'; }
+#elif PCL
+			//get { return PortablePath.DirectorySeparatorChar; }
+            get { return '\\';  }
+#else
+			get { return Path.DirectorySeparatorChar; }
+#endif
+		}

 		/// <summary>
-		/// Get the directory (path) of a file name. The returned string is
+		/// Get the directory (path) of a file name. The returned string may be
 		/// terminated by a directory separator character. Example:
 		/// passing <c>C:\\My Documents\\My File.kdb</c> in <paramref name="strFile" />
+		/// and <c>true</c> to <paramref name="bAppendTerminatingChar"/>
 		/// would produce this string: <c>C:\\My Documents\\</c>.
 		/// </summary>
 		/// <param name="strFile">Full path of a file.</param>
@@ -54,8 +70,7 @@ namespace ModernKeePassLib.Utility
 		/// of <c>X:</c>, overriding <paramref name="bAppendTerminatingChar" />).
 		/// This should only be set to <c>true</c>, if the returned path is directly
 		/// passed to some directory API.</param>
-		/// <returns>Directory of the file. The return value is an empty string
-		/// (<c>""</c>) if the input parameter is <c>null</c>.</returns>
+		/// <returns>Directory of the file.</returns>
 		public static string GetFileDirectory(string strFile, bool bAppendTerminatingChar,
 			bool bEnsureValidDirSpec)
 		{
@@ -63,14 +78,15 @@ namespace ModernKeePassLib.Utility
 			if(strFile == null) throw new ArgumentNullException("strFile");

 			int nLastSep = strFile.LastIndexOfAny(m_vDirSeps);
-			if(nLastSep < 0) return strFile; // None
+			if(nLastSep < 0) return string.Empty; // No directory

 			if(bEnsureValidDirSpec && (nLastSep == 2) && (strFile[1] == ':') &&
 				(strFile[2] == '\\')) // Length >= 3 and Windows root directory
 				bAppendTerminatingChar = true;

 			if(!bAppendTerminatingChar) return strFile.Substring(0, nLastSep);
-			return EnsureTerminatingSeparator(strFile.Substring(0, nLastSep), false);
+			return EnsureTerminatingSeparator(strFile.Substring(0, nLastSep),
+				(strFile[nLastSep] == '/'));
 		}

 		/// <summary>
@@ -151,7 +167,7 @@ namespace ModernKeePassLib.Utility
 			}

 			if(bUrl) return (strPath + '/');
-			return (strPath + DirectorySeparatorChar);
+			return (strPath + UrlUtil.LocalDirSepChar);
 		}

 		/* /// <summary>
@@ -214,13 +230,22 @@ namespace ModernKeePassLib.Utility

 		public static string GetQuotedAppPath(string strPath)
 		{
-			int nFirst = strPath.IndexOf('\"');
-			int nSecond = strPath.IndexOf('\"', nFirst + 1);
+			if(strPath == null) { Debug.Assert(false); return string.Empty; }

-			if((nFirst >= 0) && (nSecond >= 0))
-				return strPath.Substring(nFirst + 1, nSecond - nFirst - 1);
+			// int nFirst = strPath.IndexOf('\"');
+			// int nSecond = strPath.IndexOf('\"', nFirst + 1);
+			// if((nFirst >= 0) && (nSecond >= 0))
+			//	return strPath.Substring(nFirst + 1, nSecond - nFirst - 1);
+			// return strPath;

-			return strPath;
+			string str = strPath.Trim();
+			if(str.Length <= 1) return str;
+			if(str[0] != '\"') return str;
+
+			int iSecond = str.IndexOf('\"', 1);
+			if(iSecond <= 0) return str;
+
+			return str.Substring(1, iSecond - 1);
 		}

 		public static string FileUrlToPath(string strUrl)
@@ -232,14 +257,14 @@ namespace ModernKeePassLib.Utility
 			if(str.StartsWith(@"file:///", StrUtil.CaseIgnoreCmp))
 				str = str.Substring(8, str.Length - 8);

-			str = str.Replace('/', DirectorySeparatorChar);
+			str = str.Replace('/', UrlUtil.LocalDirSepChar);

 			return str;
 		}

 		public static bool UnhideFile(string strFile)
 		{
-#if KeePassLibSD || !TODO
+#if (PCL || KeePassLibSD || KeePassRT)
 			return false;
 #else
 			if(strFile == null) throw new ArgumentNullException("strFile");
@@ -259,7 +284,7 @@ namespace ModernKeePassLib.Utility

 		public static bool HideFile(string strFile, bool bHide)
 		{
-#if KeePassLibSD || !TODO
+#if (PCL || KeePassLibSD || KeePassRT)
 			return false;
 #else
 			if(strFile == null) throw new ArgumentNullException("strFile");
@@ -300,7 +325,9 @@ namespace ModernKeePassLib.Utility
 					return strTargetFile;
 			}

+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			if(NativeLib.IsUnix())
+#endif
 			{
 				bool bBaseUnc = IsUncPath(strBaseFile);
 				bool bTargetUnc = IsUncPath(strTargetFile);
@@ -319,21 +346,19 @@ namespace ModernKeePassLib.Utility
 				StringBuilder sbRel = new StringBuilder();
 				for(int j = i; j < (vBase.Length - 1); ++j)
 				{
-					if(sbRel.Length > 0) sbRel.Append(DirectorySeparatorChar);
+					if(sbRel.Length > 0) sbRel.Append(UrlUtil.LocalDirSepChar);
 					sbRel.Append("..");
 				}
 				for(int k = i; k < vTarget.Length; ++k)
 				{
-					if(sbRel.Length > 0) sbRel.Append(DirectorySeparatorChar);
+					if(sbRel.Length > 0) sbRel.Append(UrlUtil.LocalDirSepChar);
 					sbRel.Append(vTarget[k]);
 				}

 				return sbRel.ToString();
 			}

-#if KeePassLibSD || !TODO
-			return strTargetFile;
-#else
+#if (!PCL && !KeePassLibSD && !KeePassRT)
 			try // Windows
 			{
 				const int nMaxPath = NativeMethods.MAX_PATH * 2;
@@ -347,7 +372,8 @@ namespace ModernKeePassLib.Utility

 				return str;
 			}
-			catch(Exception) { Debug.Assert(false); return strTargetFile; }
+			catch(Exception) { Debug.Assert(false); }
+			return strTargetFile;
 #endif
 		}

@@ -379,9 +405,6 @@ namespace ModernKeePassLib.Utility

 		public static string GetShortestAbsolutePath(string strPath)
 		{
-            Debug.Assert(false, "not yet implemented");
-            return null;
-#if TODO
 			if(strPath == null) throw new ArgumentNullException("strPath");
 			if(strPath.Length == 0) return string.Empty;

@@ -426,7 +449,20 @@ namespace ModernKeePassLib.Utility
 			}

 			string str;
-			try { str = Path.GetFullPath(strPath); }
+			try
+			{
+#if KeePassRT
+				var dirT = StorageFolder.GetFolderFromPathAsync(
+					strPath).GetResults();
+				str = dirT.Path;
+#elif PCL
+				//var dirT = FileSystem.Current.GetFolderFromPathAsync(strPath).Result;
+			    str = ApplicationData.Current.RoamingFolder.Path;
+                //str = dirT.Path;
+#else
+				str = Path.GetFullPath(strPath);
+#endif
+			}
 			catch(Exception) { Debug.Assert(false); return strPath; }

 			Debug.Assert(str.IndexOf("\\..\\") < 0);
@@ -437,7 +473,6 @@ namespace ModernKeePassLib.Utility
 			}

 			return str;
-#endif
 		}

 		public static int GetUrlLength(string strText, int nOffset)
@@ -483,7 +518,7 @@ namespace ModernKeePassLib.Utility

 		public static string ConvertSeparators(string strPath)
 		{
-			return ConvertSeparators(strPath, DirectorySeparatorChar);
+			return ConvertSeparators(strPath, UrlUtil.LocalDirSepChar);
 		}

 		public static string ConvertSeparators(string strPath, char chSeparator)
@@ -595,5 +630,106 @@ namespace ModernKeePassLib.Utility

 			return false;
 		}
+
+#if !PCL
+		public static string GetTempPath()
+		{
+			string strDir;
+			if(NativeLib.IsUnix())
+				strDir = NativeMethods.GetUserRuntimeDir();
+#if KeePassRT
+			else strDir = Windows.Storage.ApplicationData.Current.TemporaryFolder.Path;
+#else
+			else strDir = Path.GetTempPath();
+#endif
+
+			try
+			{
+				if(Directory.Exists(strDir) == false)
+					Directory.CreateDirectory(strDir);
+			}
+			catch(Exception) { Debug.Assert(false); }
+
+			return strDir;
+		}
+#endif
+
+#if !PCL && !KeePassLibSD
+		// Structurally mostly equivalent to UrlUtil.GetFileInfos
+		public static List<string> GetFilePaths(string strDir, string strPattern,
+			SearchOption opt)
+		{
+			List<string> l = new List<string>();
+			if(strDir == null) { Debug.Assert(false); return l; }
+			if(strPattern == null) { Debug.Assert(false); return l; }
+
+			string[] v = Directory.GetFiles(strDir, strPattern, opt);
+			if(v == null) { Debug.Assert(false); return l; }
+
+			// Only accept files with the correct extension; GetFiles may
+			// return additional files, see GetFiles documentation
+			string strExt = GetExtension(strPattern);
+			if(!string.IsNullOrEmpty(strExt) && (strExt.IndexOf('*') < 0) &&
+				(strExt.IndexOf('?') < 0))
+			{
+				strExt = "." + strExt;
+
+				foreach(string strPathRaw in v)
+				{
+					if(strPathRaw == null) { Debug.Assert(false); continue; }
+					string strPath = strPathRaw.Trim(m_vPathTrimCharsWs);
+					if(strPath.Length == 0) { Debug.Assert(false); continue; }
+					Debug.Assert(strPath == strPathRaw);
+
+					if(!strPath.EndsWith(strExt, StrUtil.CaseIgnoreCmp))
+						continue;
+
+					l.Add(strPathRaw);
+				}
+			}
+			else l.AddRange(v);
+
+			return l;
+		}
+
+		// Structurally mostly equivalent to UrlUtil.GetFilePaths
+		public static List<FileInfo> GetFileInfos(DirectoryInfo di, string strPattern,
+			SearchOption opt)
+		{
+			List<FileInfo> l = new List<FileInfo>();
+			if(di == null) { Debug.Assert(false); return l; }
+			if(strPattern == null) { Debug.Assert(false); return l; }
+
+			FileInfo[] v = di.GetFiles(strPattern, opt);
+			if(v == null) { Debug.Assert(false); return l; }
+
+			// Only accept files with the correct extension; GetFiles may
+			// return additional files, see GetFiles documentation
+			string strExt = GetExtension(strPattern);
+			if(!string.IsNullOrEmpty(strExt) && (strExt.IndexOf('*') < 0) &&
+				(strExt.IndexOf('?') < 0))
+			{
+				strExt = "." + strExt;
+
+				foreach(FileInfo fi in v)
+				{
+					if(fi == null) { Debug.Assert(false); continue; }
+					string strPathRaw = fi.FullName;
+					if(strPathRaw == null) { Debug.Assert(false); continue; }
+					string strPath = strPathRaw.Trim(m_vPathTrimCharsWs);
+					if(strPath.Length == 0) { Debug.Assert(false); continue; }
+					Debug.Assert(strPath == strPathRaw);
+
+					if(!strPath.EndsWith(strExt, StrUtil.CaseIgnoreCmp))
+						continue;
+
+					l.Add(fi);
+				}
+			}
+			else l.AddRange(v);
+
+			return l;
+		}
+#endif
 	}
 }
--- a/ModernKeePassLib/WinRTColor.cs
+++ b/ModernKeePassLib/WinRTColor.cs
@@ -1,49 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace ModernKeePassLib.WinRTAdaptors
-{
-    // BERT TODO: Whole class is just a non-functional stub 
-
-    public struct Color
-    {
-        public byte A
-        {
-            get
-            { return 255; }
-        }
-        public byte R
-        {
-            get
-            {
-                return 100;
-            }
-        }
-        public byte G
-        {
-            get { return 150; }
-        }
-        public byte B
-        {
-            get { return 200; }
-        }
-        public bool isEmpty
-        {
-            get { return false; }
-        }
-
-
-        public static Color Empty
-        {
-            get
-            {
-                Color abc;
-                return abc; }
-        }
-
-    }
- 
-}
--- a/ModernKeePassLib/project.lock.json
+++ b/ModernKeePassLib/project.lock.json
@@ -522,7 +522,7 @@
      ]
    },
    "Microsoft.NETCore.Platforms/1.1.0": {
-      "sha512": "kz0PEW2lhqygehI/d6XsPCQzD7ff7gUJaVGPVETX611eadGsA3A877GdSlU0LRVMCTH/+P3o2iDTak+S08V2+A==",
+      "sha512": "+XHS7n+M0uDgC28FAzPVRvDG2SvxtkprfAdbd0Cf9Fqa8YgMuXPXvoTB0SW/W/Z6kbuvp0fVeDItXnC9rnL+XA==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -626,7 +626,7 @@
      ]
    },
    "Microsoft.NETCore.Targets/1.1.0": {
-      "sha512": "aOZA3BWfz9RXjpzt0sRJJMjAscAUm3Hoa4UWAfceV9UTYxgwZ1lZt5nO2myFf+/jetYQo4uTP7zS8sJY67BBxg==",
+      "sha512": "dUUadXhJMY9VZYrGVdJDKzcXsYcUmadCTd1Kz4VQgLuZhaC+QlbC7tDkFSE+snB5TBLxmRU3ZfX8ur4buLawqQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -638,7 +638,7 @@
      ]
    },
    "Microsoft.NETCore.Windows.ApiSets/1.0.1": {
-      "sha512": "SaToCvvsGMxTgtLv/BrFQ5IFMPRE1zpWbnqbpwykJa8W5XiX82CXI6K2o7yf5xS7EP6t/JzFLV0SIDuWpvBZVw==",
+      "sha512": "q0mF2juY/56CMT5b+bi8uh90ZiH1DB8TCoaK6nOTRZPQmRiqz+8JuOIu1upvy21SZHoesIl9alCFXK5MlfKFuQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -776,7 +776,7 @@
      ]
    },
    "runtime.native.System/4.3.0": {
-      "sha512": "c/qWt2LieNZIj1jGnVNsE2Kl23Ya2aSTBuXMD6V7k9KWr6l16Tqdwq+hJScEpWER9753NWC8h96PaVNY5Ld7Jw==",
+      "sha512": "HhykbX7CxJfRxeSnztqdszl4wvsxTi3Q5vhPitlPQt5LKBI6q2cvXrQjBS1FTBgdA3O+rliE86qsDCu1mzLXYg==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -787,7 +787,7 @@
      ]
    },
    "System.Collections/4.3.0": {
-      "sha512": "3Dcj85/TBdVpL5Zr+gEEBUuFe2icOnLalmEh9hfck1PTYbbyWuZgh4fmm2ysCLTrqLQw6t3TgTyJ+VLp+Qb+Lw==",
+      "sha512": "odtewSKaGFM1cRV0i2f+fF1wDTcPLisgZVNa1Jrm88mDNAxD52TRh0U51jwqs73RH91GYI4ogCkF9r7W0zVoDw==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -852,7 +852,7 @@
      ]
    },
    "System.Collections.Concurrent/4.3.0": {
-      "sha512": "ztl69Xp0Y/UXCL+3v3tEU+lIy+bvjKNUmopn1wep/a291pVPK7dxBd6T7WnlQqRog+d1a/hSsgRsmFnIBKTPLQ==",
+      "sha512": "574p/+ur5xdbM7fZCoFJLM2pqCO4B843KdXjrxYZC9AGSiDwAtlq90gkgg3xg5YwcDPa/C7Y0Uylh2n7QIZ5nQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -917,7 +917,7 @@
      ]
    },
    "System.Diagnostics.Debug/4.3.0": {
-      "sha512": "ZUhUOdqmaG5Jk3Xdb8xi5kIyQYAA4PnTNlHx1mu9ZY3qv4ELIdKbnL/akbGaKi2RnNUWaZsAs31rvzFdewTj2g==",
+      "sha512": "1woBURpg50IpEZZ7BK8AZe1T24GsBY+e6MyEufMAPVMZoVzRDRwejOLLfIIkgY2hgw0bk6CXAFg4dB2iFF5IVQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -982,7 +982,7 @@
      ]
    },
    "System.Diagnostics.Tools/4.3.0": {
-      "sha512": "UUvkJfSYJMM6x527dJg2VyWPSRqIVB0Z7dbjHst1zmwTXz5CcXSYJFWRpuigfbO1Lf7yfZiIaEUesfnl/g5EyA==",
+      "sha512": "cNBqRhfTSwBU0OfXuTvV+sRaE8EfJRYrkh1giN74UvENZb6SHLJw23GroCIrvyV4j03gp0a1028I4dEsRi0XoQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1036,7 +1036,7 @@
      ]
    },
    "System.Diagnostics.Tracing/4.3.0": {
-      "sha512": "rswfv0f/Cqkh78rA5S8eN8Neocz234+emGCtTF3lxPY96F+mmmUen6tbn0glN6PMvlKQb9bPAY5e9u7fgPTkKw==",
+      "sha512": "sE7+yUZUrkcebditDSxZLnsCwG/oI4RELRdhSmen0ig1AH1kW5b9ztJ7HQbK3sCIuY0Yd5OvqyX0pOie4T35fQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1123,7 +1123,7 @@
      ]
    },
    "System.Globalization/4.3.0": {
-      "sha512": "kYdVd2f2PAdFGblzFswE4hkNANJBKRmsfa2X5LG2AcWE1c7/4t0pYae1L8vfZ5xvE2nK/R9JprtToA61OSHWIg==",
+      "sha512": "VqCYVd4WTRcRl/U08cJOFmyDFPs79CFfcEbav+p7Q5Sj7Lokf0R+mD0TEc+f8+GVBRtaff6b+mknJnIR44LvYQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1188,7 +1188,7 @@
      ]
    },
    "System.IO/4.3.0": {
-      "sha512": "3qjaHvxQPDpSOYICjUoTsmoq5u6QJAFRUITgeT/4gqkF1bajbSmb1kwSxEA8AHlofqgcKJcM8udgieRNhaJ5Cg==",
+      "sha512": "YsCDVvNbX1fQsiQuBRb7Wy/v+L14iJ0JhzInNXsblcU2wUZ8fD33Q5RBRZ4PUu2iZKQ6KnrfaOxWScxoGcIoPA==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1266,7 +1266,7 @@
      ]
    },
    "System.IO.Compression/4.3.0": {
-      "sha512": "YHndyoiV90iu4iKG115ibkhrG+S3jBm8Ap9OwoUAzO5oPDAWcr0SFwQFm0HjM8WkEZWo0zvLTyLmbvTkW1bXgg==",
+      "sha512": "+G+M250pfD6KOqeADMPvbO2jPqV0UMtE3YECosM/p5bU0Krytlo0qNBrqtbk7uHJS3kOle5kk3T7zlxd/z/pTA==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1334,7 +1334,7 @@
      ]
    },
    "System.Linq/4.3.0": {
-      "sha512": "5DbqIUpsDp0dFftytzuMmc0oeMdQwjcP/EWxsksIz/w1TcFRkZ3yKKz0PqiYFMmEwPSWw+qNVqD7PJ889JzHbw==",
+      "sha512": "w9wJuI2T9KXZmY/AS7E4PUVzGPS0jhlx1YlKsgzShgNj6Vk9iN7R8qRwWB2kvD+Ki58cpRwM87fVD5yivijJEg==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1403,7 +1403,7 @@
      ]
    },
    "System.Linq.Expressions/4.3.0": {
-      "sha512": "PGKkrd2khG4CnlyJwxwwaWWiSiWFNBGlgXvJpeO0xCXrZ89ODrQ6tjEWS/kOqZ8GwEOUATtKtzp1eRgmYNfclg==",
+      "sha512": "EjVvFE83n3Ih05PIJ611aMBS321nFT7FS1yIpcnVHLVB3GqaCWaVPMg7/kklhlohrUPXJ4PS5CeUlIBmXMva8w==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1484,11 +1484,9 @@
      ]
    },
    "System.Net.Http/4.3.2": {
-      "sha512": "y7hv0o0weI0j0mvEcBOdt1F3CAADiWlcw3e54m8TfYiRmBPDIsHElx8QUPDlY4x6yWXKPGN0Z2TuXCTPgkm5WQ==",
+      "sha512": "wMTk4xwcImunKYNGcMC35TFe/8LKBhzc1INgatMHmbGt6hNu3IsxcwpYD8r2zstiv64uKK+GTgfxJ7Lh91Qnqw==",
      "type": "package",
      "files": [
-        "System.Net.Http.4.3.2.nupkg.sha512",
-        "System.Net.Http.nuspec",
        "ThirdPartyNotices.txt",
        "dotnet_library_license.txt",
        "lib/Xamarinmac20/_._",
@@ -1519,11 +1517,13 @@
        "runtimes/unix/lib/netstandard1.6/System.Net.Http.dll",
        "runtimes/win/lib/net46/System.Net.Http.dll",
        "runtimes/win/lib/netcore50/System.Net.Http.dll",
-        "runtimes/win/lib/netstandard1.3/System.Net.Http.dll"
+        "runtimes/win/lib/netstandard1.3/System.Net.Http.dll",
+        "system.net.http.4.3.2.nupkg.sha512",
+        "system.net.http.nuspec"
      ]
    },
    "System.Net.Primitives/4.3.0": {
-      "sha512": "qOu+hDwFwoZPbzPvwut2qATe3ygjeQBDQj91xlsaqGFQUI5i4ZnZb8yyQuLGpDGivEPIt8EJkd1BVzVoP31FXA==",
+      "sha512": "Ds2qmHelD5W4JYm+FOub7/4OWbVWKXXsL4+pVVhZxd3urA9yYI6UFPMEnIbK9mCG7rvoli+PVpbczlcy8H+Jmg==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1599,7 +1599,7 @@
      ]
    },
    "System.Net.Requests/4.3.0": {
-      "sha512": "OZNUuAs0kDXUzm7U5NZ1ojVta5YFZmgT2yxBqsQ7Eseq5Ahz88LInGRuNLJ/NP2F8W1q7tse1pKDthj3reF5QA==",
+      "sha512": "ZvKLMYR1iGBh3ianvGnqMojG8uLtq1jhviCrojW2QUZEPUYKhB28gtLt5iW51nsvmGhFh1WTHvh9CenMuxzLbQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1679,7 +1679,7 @@
      ]
    },
    "System.ObjectModel/4.3.0": {
-      "sha512": "bdX+80eKv9bN6K4N+d77OankKHGn6CH711a6fcOpMQu2Fckp/Ft4L/kW9WznHpyR0NRAvJutzOMHNNlBGvxQzQ==",
+      "sha512": "yXnz+D4S6l25VS9SuCrS8cyVKWgeAQJ/v2epBlTL1cM+Xs6rx0/6gUAXTTruCZiO1UjrhX56isX8DKL267D5gQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1746,7 +1746,7 @@
      ]
    },
    "System.Reflection/4.3.0": {
-      "sha512": "KMiAFoW7MfJGa9nDFNcfu+FpEdiHpWgTcS2HdMpDvt9saK3y/G4GwprPyzqjFH9NTaGPQeWNHU+iDlDILj96aQ==",
+      "sha512": "gWKa+cLy5BkkDxp6iuKYNQVNlxir4VYpR7siMIW8vQI7lR9E5PsR+Fmm6h+ZzTCu2XFMf9sNvRYRw727QmJ0fw==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1824,7 +1824,7 @@
      ]
    },
    "System.Reflection.Extensions/4.3.0": {
-      "sha512": "rJkrJD3kBI5B712aRu4DpSIiHRtr6QlfZSQsb0hYHrDCZORXCFjQfoipo2LaMUHoT9i1B7j7MnfaEKWDFmFQNQ==",
+      "sha512": "MZ0vyVl3i7SpA8hLhKjb8wrJ9s4a/bggVHasDqNrbpbkbyMaaYxi8dUDduh5K7RFAHJaR45BAW7+TMbpoQ7Oqg==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1878,7 +1878,7 @@
      ]
    },
    "System.Reflection.Primitives/4.3.0": {
-      "sha512": "5RXItQz5As4xN2/YUDxdpsEkMhvw3e6aNveFXUn4Hl/udNTCNhnKp8lT9fnc3MhvGKh1baak5CovpuQUXHAlIA==",
+      "sha512": "QcIJSKt4ksNWnTWkNc7fqdnaARA4or2omXIXVi1hzccV8AixhcW4gVNfpdz/jE1cldDBRSeySM5PbF8M3GUHbA==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1932,7 +1932,7 @@
      ]
    },
    "System.Resources.ResourceManager/4.3.0": {
-      "sha512": "/zrcPkkWdZmI4F92gL/TPumP98AVDu/Wxr3CSJGQQ+XN6wbRZcyfSKVoPo17ilb3iOr0cCRqJInGwNMolqhS8A==",
+      "sha512": "DRxdwZJGYZA+sp8Ht53dvNPr8NLsbBzctIrpbx4UFylYbDsoDQzJwchNarrRnwiIfsZHkXYA3HCKewNr62XiRw==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -1986,7 +1986,7 @@
      ]
    },
    "System.Runtime/4.3.0": {
-      "sha512": "JufQi0vPQ0xGnAczR13AUFglDyVYt4Kqnz1AZaiKZ5+GICq0/1MH/mO/eAJHt/mHW1zjKBJd7kV26SrxddAhiw==",
+      "sha512": "a+38DiHlk4UA1NMs7Ty0/izJb/ukQtEhDgoy2xrGppdA/nVOkOC1JtR9HCcYYHfxXxQNNsjQ66NNvrbM3oVTrw==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -2075,7 +2075,7 @@
      ]
    },
    "System.Runtime.Extensions/4.3.0": {
-      "sha512": "guW0uK0fn5fcJJ1tJVXYd7/1h5F+pea1r7FLSOz/f8vPEqbR2ZAknuRDvTQ8PzAilDveOxNjSfr0CHfIQfFk8g==",
+      "sha512": "P78VOZ2fZUq3otcfcf+6zd+EhWijXhI/BWk/wd9RnWFAddhO4hnlpiqxAIw1yPTZJSWRG5VboYyUmB8xcmcHpQ==",
      "type": "package",
      "files": [
        "ThirdPartyNotices.txt",
@@ -2153,7 +2153,7 @@
      ]
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