Read-mode working

Write-mode does not create exceptions but still doesn't work

ModernKeePass/ModernKeePass.csproj

@@ -159,8 +159,12 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="ModernKeePassLibPCL, Version=2.28.1.32210, Culture=neutral, processorArchitecture=MSIL">
+    <Reference Include="crypto, Version=1.8.1.0, Culture=neutral, PublicKeyToken=0e99375e54769942, processorArchitecture=MSIL">
-      <HintPath>..\packages\ModernKeePassLibPCL.2.28.1.32210\lib\netstandard1.2\ModernKeePassLibPCL.dll</HintPath>
+      <HintPath>..\packages\Portable.BouncyCastle.1.8.1.1\lib\netstandard1.0\crypto.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="ModernKeePassLibPCL, Version=2.28.1.22258, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ModernKeePassLibPCL.2.28.1.22258\lib\netstandard1.2\ModernKeePassLibPCL.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PCLCrypto, Version=2.0.0.0, Culture=neutral, PublicKeyToken=d4421c8a4786956c, processorArchitecture=MSIL">

ModernKeePass/Package.appxmanifest

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Package xmlns="http://schemas.microsoft.com/appx/2010/manifest" xmlns:m2="http://schemas.microsoft.com/appx/2013/manifest">
-  <Identity Name="wismna.ModernKeePass" Publisher="CN=0719A91A-C322-4EE0-A257-E60733EECF06" Version="1.1.0.6" />
+  <Identity Name="wismna.ModernKeePass" Publisher="CN=0719A91A-C322-4EE0-A257-E60733EECF06" Version="1.1.0.7" />
   <Properties>
     <DisplayName>ModernKeePass</DisplayName>
     <PublisherDisplayName>wismna</PublisherDisplayName>

ModernKeePass/packages.config

@@ -4,7 +4,7 @@
   <package id="Microsoft.Bcl.Compression" version="3.9.85" targetFramework="win81" />
   <package id="Microsoft.NETCore.Platforms" version="2.0.0" targetFramework="win81" />
   <package id="Microsoft.NETCore.Portable.Compatibility" version="1.0.2" targetFramework="win81" />
-  <package id="ModernKeePassLibPCL" version="2.28.1.32210" targetFramework="win81" />
+  <package id="ModernKeePassLibPCL" version="2.28.1.22258" targetFramework="win81" />
   <package id="NETStandard.Library" version="2.0.0" targetFramework="win81" />
   <package id="PCLCrypto" version="2.0.147" targetFramework="win81" />
   <package id="PCLStorage" version="1.0.2" targetFramework="win81" />
@@ -12,11 +12,23 @@
   <package id="PInvoke.Kernel32" version="0.5.97" targetFramework="win81" />
   <package id="PInvoke.NCrypt" version="0.5.97" targetFramework="win81" />
   <package id="PInvoke.Windows.Core" version="0.5.97" targetFramework="win81" />
+  <package id="Portable.BouncyCastle" version="1.8.1.1" targetFramework="win81" />
   <package id="Splat" version="2.0.0" targetFramework="win81" />
+  <package id="System.Collections" version="4.0.11" targetFramework="win81" />
+  <package id="System.Diagnostics.Debug" version="4.0.11" targetFramework="win81" />
+  <package id="System.Globalization" version="4.0.11" targetFramework="win81" />
+  <package id="System.IO" version="4.1.0" targetFramework="win81" />
+  <package id="System.Linq" version="4.1.0" targetFramework="win81" />
   <package id="System.Net.Requests" version="4.3.0" targetFramework="win81" />
+  <package id="System.Reflection" version="4.1.0" targetFramework="win81" />
+  <package id="System.Reflection.Extensions" version="4.0.1" targetFramework="win81" />
+  <package id="System.Runtime" version="4.1.0" targetFramework="win81" />
   <package id="System.Runtime.Extensions" version="4.3.0" targetFramework="win81" />
   <package id="System.Runtime.InteropServices.RuntimeInformation" version="4.3.0" targetFramework="win81" />
   <package id="System.Runtime.WindowsRuntime" version="4.3.0" targetFramework="win81" />
+  <package id="System.Text.Encoding" version="4.0.11" targetFramework="win81" />
+  <package id="System.Threading" version="4.0.11" targetFramework="win81" />
+  <package id="System.Threading.Tasks" version="4.0.11" targetFramework="win81" />
   <package id="System.Xml.ReaderWriter" version="4.3.0" targetFramework="win81" />
   <package id="System.Xml.XmlSerializer" version="4.3.0" targetFramework="win81" />
   <package id="Validation" version="2.4.15" targetFramework="win81" />

ModernKeePassLib/Cryptography/Cipher/StandardAesEngine.cs

@@ -23,7 +23,7 @@ using System.Text;
 using System.IO;
 using System.Security;
 using System.Diagnostics;
-
+using Windows.Storage.Streams;
 #if ModernKeePassLibPCL
 using Windows.Security.Cryptography;
 using Windows.Security.Cryptography.Core;
@@ -116,7 +116,7 @@ namespace ModernKeePassLibPCL.Cryptography.Cipher
 
 		private static Stream CreateStream(Stream s, bool bEncrypt, byte[] pbKey, byte[] pbIV)
 		{
-			StandardAesEngine.ValidateArguments(s, bEncrypt, pbKey, pbIV);
+			ValidateArguments(s, bEncrypt, pbKey, pbIV);
 
 			byte[] pbLocalIV = new byte[16];
 			Array.Copy(pbIV, pbLocalIV, 16);
@@ -201,12 +201,12 @@ namespace ModernKeePassLibPCL.Cryptography.Cipher
 
 		public Stream EncryptStream(Stream sPlainText, byte[] pbKey, byte[] pbIV)
 		{
-			return StandardAesEngine.CreateStream(sPlainText, true, pbKey, pbIV);
+			return CreateStream(sPlainText, true, pbKey, pbIV);
 		}
 
 		public Stream DecryptStream(Stream sEncrypted, byte[] pbKey, byte[] pbIV)
 		{
-			return StandardAesEngine.CreateStream(sEncrypted, false, pbKey, pbIV);
+			return CreateStream(sEncrypted, false, pbKey, pbIV);
 		}
 	}
 }

ModernKeePassLib/Cryptography/CryptographicHashExtensions.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.Security.Cryptography.Core;
+
+namespace ModernKeePassLibPCL.Cryptography
+{
+    public static class CryptographicHashExtensions
+    {
+        public static int TransformBlock(this CryptographicHash hash, byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int outputOffset)
+        {
+            byte[] buffer;
+            if (inputCount < inputBuffer.Length)
+            {
+                buffer = new byte[inputCount];
+                Array.Copy(inputBuffer, inputOffset, buffer, 0, inputCount);
+            }
+            else
+            {
+                buffer = inputBuffer;
+            }
+
+            hash.Append(buffer.AsBuffer());
+            if (outputBuffer != null)
+            {
+                Array.Copy(inputBuffer, inputOffset, outputBuffer, outputOffset, inputCount);
+            }
+
+            return inputCount;
+        }
+        
+        public static byte[] TransformFinalBlock(this CryptographicHash hash, byte[] inputBuffer, int inputOffset, int inputCount)
+        {
+            hash.TransformBlock(inputBuffer, inputOffset, inputCount, null, 0);
+            if (inputCount == inputBuffer.Length)
+            {
+                return inputBuffer;
+            }
+            else
+            {
+                var buffer = new byte[inputCount];
+                Array.Copy(inputBuffer, inputOffset, buffer, 0, inputCount);
+                return buffer;
+            }
+        }
+    }
+}

ModernKeePassLib/Cryptography/HashingStreamEx.cs

@@ -53,7 +53,7 @@ namespace ModernKeePassLibPCL.Cryptography
 
 		public override bool CanRead
 		{
-			get { return !m_bWriting; }
+			get { return /*!m_bWriting;*/true; }
 		}
 
 		public override bool CanSeek
@@ -160,7 +160,7 @@ namespace ModernKeePassLibPCL.Cryptography
 
 		public override int Read(byte[] pbBuffer, int nOffset, int nCount)
 		{
-			if(m_bWriting) throw new InvalidOperationException();
+			//if(m_bWriting) throw new InvalidOperationException();
 
 			int nRead = m_sBaseStream.Read(pbBuffer, nOffset, nCount);
 			int nPartialRead = nRead;

ModernKeePassLib/Keys/CompositeKey.cs

@@ -22,6 +22,7 @@ using System.Text;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Runtime.InteropServices.WindowsRuntime;
 #if ModernKeePassLibPCL
 using Windows.Security.Cryptography;
 #else
@@ -39,6 +40,8 @@ using ModernKeePassLibPCL.Security;
 using ModernKeePassLibPCL.Utility;
 using Windows.Security.Cryptography.Core;
 using Windows.Storage.Streams;
+using Org.BouncyCastle.Crypto.Engines;
+using Org.BouncyCastle.Crypto.Parameters;
 
 namespace ModernKeePassLibPCL.Keys
 {
@@ -286,7 +289,7 @@ namespace ModernKeePassLibPCL.Keys
 				return (new SHA256Managed()).ComputeHash(pbNewKey);
 #endif
 
-			if(TransformKeyManaged(pbNewKey, pbKeySeed32, uNumRounds) == false)
+			if(TransformKeyManaged(ref pbNewKey, pbKeySeed32, uNumRounds) == false)
 				return null;
 
 #if ModernKeePassLibPCL
@@ -303,7 +306,7 @@ namespace ModernKeePassLibPCL.Keys
 #endif
         }
 
-		public static bool TransformKeyManaged(byte[] pbNewKey32, byte[] pbKeySeed32,
+		public static bool TransformKeyManaged(ref byte[] pbNewKey32, byte[] pbKeySeed32,
 			ulong uNumRounds)
 		{
 #if KeePassRT
@@ -321,12 +324,21 @@ namespace ModernKeePassLibPCL.Keys
             /*var aes = WinRTCrypto.SymmetricKeyAlgorithmProvider.OpenAlgorithm(SymmetricAlgorithm.AesEcb);
 			var key = aes.CreateSymmetricKey(pbKeySeed32);
 			var iCrypt = WinRTCrypto.CryptographicEngine.CreateEncryptor(key);*/
-            var aes = SymmetricKeyAlgorithmProvider.OpenAlgorithm(SymmetricAlgorithmNames.AesEcb);
+            /*var aes = SymmetricKeyAlgorithmProvider.OpenAlgorithm(SymmetricAlgorithmNames.AesEcb);
             var key = aes.CreateSymmetricKey(CryptographicBuffer.CreateFromByteArray(pbKeySeed32));
             var parameters = KeyDerivationParameters.BuildForPbkdf2(CryptographicBuffer.CreateFromByteArray(pbKeySeed32), (uint)uNumRounds);
             var result = CryptographicEngine.DeriveKeyMaterial(key, parameters, 32);
-            CryptographicBuffer.CopyToByteArray(result, out pbNewKey32);
+            CryptographicBuffer.CopyToByteArray(result, out pbNewKey32);*/
-            
+		    KeyParameter kp = new KeyParameter(pbKeySeed32);
+		    AesEngine aes = new AesEngine();
+		    aes.Init(true, kp);
+
+		    for (ulong i = 0; i < uNumRounds; ++i)
+		    {
+		        aes.ProcessBlock(pbNewKey32, 0, pbNewKey32, 0);
+		        aes.ProcessBlock(pbNewKey32, 16, pbNewKey32, 16);
+		    }
+
 #else
 			byte[] pbIV = new byte[16];
 			Array.Clear(pbIV, 0, pbIV.Length);
@@ -362,7 +374,7 @@ namespace ModernKeePassLibPCL.Keys
 			}*/
 #endif
 
-			return true;
+            return true;
 		}
 
 		/// <summary>

ModernKeePassLib/Keys/KcpKeyFile.cs

@@ -318,11 +318,11 @@ namespace ModernKeePassLibPCL.Keys
 			if(pbKeyData == null) throw new ArgumentNullException("pbKeyData");
 
 			IOConnectionInfo ioc = IOConnectionInfo.FromPath(strFile);
-			Stream sOut = await IOConnection.OpenWrite(ioc);
+			var sOut = await IOConnection.OpenWrite(ioc);
 
 #if ModernKeePassLibPCL
 			var settings = new XmlWriterSettings() { Encoding = StrUtil.Utf8 };
-			var xtw = XmlWriter.Create(sOut, settings);
+			var xtw = XmlWriter.Create(sOut.AsStream(), settings);
 #else
 			XmlTextWriter xtw = new XmlTextWriter(sOut, StrUtil.Utf8);
 #endif

ModernKeePassLib/ModernKeePassLibPCL.csproj

@@ -49,6 +49,7 @@
     <Compile Include="Cryptography\Cipher\CipherPool.cs" />
     <Compile Include="Cryptography\Cipher\Salsa20Cipher.cs" />
     <Compile Include="Cryptography\Cipher\StandardAesEngine.cs" />
+    <Compile Include="Cryptography\CryptographicHashExtensions.cs" />
     <Compile Include="Cryptography\CryptoRandom.cs" />
     <Compile Include="Cryptography\CryptoRandomStream.cs" />
     <Compile Include="Cryptography\Cipher\ICipherEngine.cs" />

ModernKeePassLib/ModernKeePassLibPCL.nuspec

@@ -25,8 +25,8 @@
   </metadata>
   <!-- DLLs and resources -->
   <files>
-    <!--<file src="bin\Release\ModernKeePassLib.dll" target="lib\netstandard1.2"/>
+    <file src="bin\Release\ModernKeePassLib.dll" target="lib\netstandard1.2"/>
-    <file src="bin\ARM\Release\ModernKeePassLib.dll" target="lib\ARM\netstandard1.2"/>
+    <!--<file src="bin\ARM\Release\ModernKeePassLib.dll" target="lib\ARM\netstandard1.2"/>
     <file src="bin\x64\Release\ModernKeePassLib.dll" target="lib\x64\netstandard1.2"/>
     <file src="bin\x86\Release\ModernKeePassLib.dll" target="lib\x86\netstandard1.2"/>-->
   </files>

ModernKeePassLib/PwDatabase.cs

@@ -589,7 +589,7 @@ namespace ModernKeePassLibPCL
 				KdbxFile kdbx = new KdbxFile(this);
 				kdbx.DetachBinaries = m_strDetachBins;
 
-				Stream s = await IOConnection.OpenRead(ioSource);
+				var s = await IOConnection.OpenRead(ioSource);
 				kdbx.Load(s, KdbxFormat.Default, slLogger);
 				s.Dispose();
 
@@ -622,7 +622,7 @@ namespace ModernKeePassLibPCL
 			{
 				FileTransactionEx ft = new FileTransactionEx(m_ioSource,
 					m_bUseFileTransactions);
-				Stream s = await ft.OpenWrite();
+				var s = await ft.OpenWrite();
 
 				KdbxFile kdb = new KdbxFile(this);
 				kdb.Save(s, null, KdbxFormat.Default, slLogger);

ModernKeePassLib/Serialization/FileLock.cs

@@ -27,7 +27,8 @@ using System.Threading.Tasks;
 using System.Threading;
 #endif
 using System.Diagnostics;
-
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Storage.Streams;
 using ModernKeePassLibPCL.Cryptography;
 using ModernKeePassLibPCL.Resources;
 using ModernKeePassLibPCL.Utility;
@@ -124,26 +125,34 @@ namespace ModernKeePassLibPCL.Serialization
 
 			public static async Task<LockFileInfo> Load(IOConnectionInfo iocLockFile)
 			{
-				Stream s = null;
+				using (var s = await IOConnection.OpenRead(iocLockFile))
 				try
 				{
-					s = await IOConnection.OpenRead(iocLockFile);
 					if(s == null) return null;
-					StreamReader sr = new StreamReader(s, StrUtil.Utf8);
+				    using (var sr = new StreamReader(s.AsStream(), StrUtil.Utf8))
-					string str = sr.ReadToEnd();
+				    {
-					sr.Dispose();
+				        string str = sr.ReadToEnd();
-					if(str == null) { Debug.Assert(false); return null; }
+				        if (str == null)
+				        {
+				            Debug.Assert(false);
+				        }
 
-					str = StrUtil.NormalizeNewLines(str, false);
+				        str = StrUtil.NormalizeNewLines(str, false);
-					string[] v = str.Split('\n');
+				        string[] v = str.Split('\n');
-					if((v == null) || (v.Length < 6)) { Debug.Assert(false); return null; }
+				        if ((v == null) || (v.Length < 6))
+				        {
+				            Debug.Assert(false);
+				        }
 
-					if(!v[0].StartsWith(LockFileHeader)) { Debug.Assert(false); return null; }
+				        if (!v[0].StartsWith(LockFileHeader))
-					return new LockFileInfo(v[1], v[2], v[3], v[4], v[5]);
+				        {
+				            Debug.Assert(false);
+				        }
+				        return new LockFileInfo(v[1], v[2], v[3], v[4], v[5]);
+				    }
 				}
 				catch(FileNotFoundException) { }
 				catch(Exception) { Debug.Assert(false); }
-				finally { if(s != null) s.Dispose(); }
 
 				return null;
 			}
@@ -151,46 +160,27 @@ namespace ModernKeePassLibPCL.Serialization
 			// Throws on error
 			public static async Task<LockFileInfo> Create(IOConnectionInfo iocLockFile)
 			{
-				LockFileInfo lfi;
+			    byte[] pbID = CryptoRandom.Instance.GetRandomBytes(16);
-				Stream s = null;
+				string strTime = TimeUtil.SerializeUtc(DateTime.Now);
-				try
+                    
+				var lfi = new LockFileInfo(Convert.ToBase64String(pbID), strTime,
+					string.Empty, string.Empty, string.Empty);
+
+				StringBuilder sb = new StringBuilder();
+
+				sb.AppendLine(LockFileHeader);
+				sb.AppendLine(lfi.ID);
+				sb.AppendLine(strTime);
+				sb.AppendLine(lfi.UserName);
+				sb.AppendLine(lfi.Machine);
+				sb.AppendLine(lfi.Domain);
+
+				using (var s = await IOConnection.OpenWrite(iocLockFile))
 				{
-					byte[] pbID = CryptoRandom.Instance.GetRandomBytes(16);
-					string strTime = TimeUtil.SerializeUtc(DateTime.Now);
-
-#if (!ModernKeePassLibPCL && !KeePassLibSD && !KeePassRT)
-					lfi = new LockFileInfo(Convert.ToBase64String(pbID), strTime,
-						Environment.UserName, Environment.MachineName,
-						Environment.UserDomainName);
-#else
-					lfi = new LockFileInfo(Convert.ToBase64String(pbID), strTime,
-						string.Empty, string.Empty, string.Empty);
-#endif
-
-					StringBuilder sb = new StringBuilder();
-#if !KeePassLibSD
-					sb.AppendLine(LockFileHeader);
-					sb.AppendLine(lfi.ID);
-					sb.AppendLine(strTime);
-					sb.AppendLine(lfi.UserName);
-					sb.AppendLine(lfi.Machine);
-					sb.AppendLine(lfi.Domain);
-#else
-					sb.Append(LockFileHeader + MessageService.NewLine);
-					sb.Append(lfi.ID + MessageService.NewLine);
-					sb.Append(strTime + MessageService.NewLine);
-					sb.Append(lfi.UserName + MessageService.NewLine);
-					sb.Append(lfi.Machine + MessageService.NewLine);
-					sb.Append(lfi.Domain + MessageService.NewLine);
-#endif
-
 					byte[] pbFile = StrUtil.Utf8.GetBytes(sb.ToString());
-
+				    if (s == null) throw new IOException(iocLockFile.GetDisplayName());
-					s = await IOConnection.OpenWrite(iocLockFile);
+				    await s.WriteAsync(pbFile.AsBuffer());
-					if(s == null) throw new IOException(iocLockFile.GetDisplayName());
-					s.Write(pbFile, 0, pbFile.Length);
 				}
-				finally { if(s != null) s.Dispose(); }
 
 				return lfi;
 			}

ModernKeePassLib/Serialization/FileTransactionEx.cs

@@ -30,6 +30,7 @@ using System.Security.AccessControl;
 using ModernKeePassLibPCL.Native;
 using ModernKeePassLibPCL.Utility;
 using System.Threading.Tasks;
+using Windows.Storage.Streams;
 
 namespace ModernKeePassLibPCL.Serialization
 {
@@ -78,7 +79,7 @@ namespace ModernKeePassLibPCL.Serialization
 			else m_iocTemp = m_iocBase;
 		}
 
-		public async Task<Stream> OpenWrite()
+		public async Task<IRandomAccessStream> OpenWrite()
 		{
 			if(!m_bTransacted) m_bMadeUnhidden = UrlUtil.UnhideFile(m_iocTemp.Path);
 			else // m_bTransacted
@@ -108,7 +109,7 @@ namespace ModernKeePassLibPCL.Serialization
 			bool bEfsEncrypted = false;
 #endif
 
-			if(await IOConnection.FileExists(m_iocBase))
+			if(IOConnection.FileExists(m_iocBase))
 			{
 #if (!ModernKeePassLibPCL && !KeePassLibSD && !KeePassRT)
 				if(m_iocBase.IsLocalFile())

ModernKeePassLib/Serialization/IOConnection.cs

@@ -422,7 +422,7 @@ namespace ModernKeePassLibPCL.Serialization
 				new Uri(ioc.Path)));
 		}
 #else
-		public static async Task<Stream> OpenRead(IOConnectionInfo ioc)
+		public static async Task<IRandomAccessStream> OpenRead(IOConnectionInfo ioc)
 		{
 			RaiseIOAccessPreEvent(ioc, IOAccessType.Read);
 
@@ -430,20 +430,9 @@ namespace ModernKeePassLibPCL.Serialization
 		}
 #endif
 
-		private static async Task<Stream> OpenReadLocal(IOConnectionInfo ioc)
+		private static async Task<IRandomAccessStream> OpenReadLocal(IOConnectionInfo ioc)
 		{
-#if ModernKeePassLibPCL
+             return await ioc.StorageFile.OpenAsync(FileAccessMode.Read);
-            /*if (ioc.StorageFile != null)
-		    {*/
-                var file = await ioc.StorageFile.OpenAsync(FileAccessMode.Read);
-		        return file.AsStream();
-		    /*}
-		    var file = FileSystem.Current.GetFileFromPathAsync(ioc.Path).Result;
-			return file.OpenAsync(PCLStorage.FileAccess.Read).Result;*/
-#else
-			return new FileStream(ioc.Path, FileMode.Open, FileAccess.Read,
-				FileShare.Read);
-#endif
 		}
 
 #if (!ModernKeePassLibPCL && !KeePassLibSD && !KeePassRT)
@@ -469,7 +458,7 @@ namespace ModernKeePassLibPCL.Serialization
 			return IocStream.WrapIfRequired(s);
 		}
 #else
-		public static async Task<Stream> OpenWrite(IOConnectionInfo ioc)
+		public static async Task<IRandomAccessStream> OpenWrite(IOConnectionInfo ioc)
 		{
 			RaiseIOAccessPreEvent(ioc, IOAccessType.Write);
 
@@ -477,102 +466,32 @@ namespace ModernKeePassLibPCL.Serialization
 		}
 #endif
 
-		private static async Task<Stream> OpenWriteLocal(IOConnectionInfo ioc)
+		private static async Task<IRandomAccessStream> OpenWriteLocal(IOConnectionInfo ioc)
 		{
-#if ModernKeePassLibPCL
+            return await ioc.StorageFile.OpenAsync(FileAccessMode.ReadWrite);
-            /*if (ioc.StorageFile != null)
-		    {*/
-                var file = await ioc.StorageFile.OpenAsync(FileAccessMode.ReadWrite);
-                return file.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 async Task<bool> FileExists(IOConnectionInfo ioc)
+		public static bool FileExists(IOConnectionInfo ioc)
 		{
-			return await FileExists(ioc, false);
+			return FileExists(ioc, false);
 		}
 
-		public static async Task<bool> FileExists(IOConnectionInfo ioc, bool bThrowErrors)
+		public static bool FileExists(IOConnectionInfo ioc, bool bThrowErrors)
 		{
-			if(ioc == null) { Debug.Assert(false); return false; }
+			if(ioc == null) { Debug.Assert(false);
+			}
 
 			RaiseIOAccessPreEvent(ioc, IOAccessType.Exists);
-
+            
-#if ModernKeePassLibPCL
-            /*if(ioc.IsLocalFile())
-				return (FileSystem.Current.GetFileFromPathAsync(ioc.Path).Result != null);*/
             return ioc.StorageFile.IsAvailable;
-#else
-			if(ioc.IsLocalFile()) return File.Exists(ioc.Path);
-#endif
-
-#if (!ModernKeePassLibPCL && !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 = await OpenRead(ioc);
-				if(s == null) throw new FileNotFoundException();
-
-				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)
-			{
-				if(bThrowErrors) throw;
-				return false;
-			}
-
-			return true;
 		}
 
 		public static async void DeleteFile(IOConnectionInfo ioc)
 		{
 			RaiseIOAccessPreEvent(ioc, IOAccessType.Delete);
-
+            
-#if ModernKeePassLibPCL
 		    if (!ioc.IsLocalFile()) return;
 		    await ioc.StorageFile?.DeleteAsync();
-		    /*var file = FileSystem.Current.GetFileFromPathAsync(ioc.Path).Result;
-		    file.DeleteAsync().RunSynchronously();*/
-#else
-			if(ioc.IsLocalFile()) { File.Delete(ioc.Path); return; }
-#endif
-
-#if (!ModernKeePassLibPCL && !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 FileWebRequest)
-				{
-					File.Delete(UrlUtil.FileUrlToPath(ioc.Path));
-					return;
-				}
-				else req.Method = WrmDeleteFile;
-
-				DisposeResponse(req.GetResponse(), true);
-			}
-#endif
 		}
 
 		/// <summary>
@@ -587,63 +506,9 @@ namespace ModernKeePassLibPCL.Serialization
 		public static async void RenameFile(IOConnectionInfo iocFrom, IOConnectionInfo iocTo)
 		{
 			RaiseIOAccessPreEvent(iocFrom, iocTo, IOAccessType.Move);
-
+            
-#if ModernKeePassLibPCL
 		    if (!iocFrom.IsLocalFile()) return;
 		    await iocFrom.StorageFile?.RenameAsync(iocTo.Path);
-            /*var file = FileSystem.Current.GetFileFromPathAsync(iocFrom.Path).Result;
-		    file.MoveAsync(iocTo.Path).RunSynchronously();*/
-#else
-			if(iocFrom.IsLocalFile()) { File.Move(iocFrom.Path, iocTo.Path); return; }
-#endif
-
-#if (!ModernKeePassLibPCL && !KeePassLibSD && !KeePassRT)
-			WebRequest req = CreateWebRequest(iocFrom);
-			if(req != null)
-			{
-				if(req is HttpWebRequest)
-				{
-					req.Method = "MOVE";
-					req.Headers.Set("Destination", iocTo.Path); // Full URL supported
-				}
-				else if(req is FtpWebRequest)
-				{
-					req.Method = WebRequestMethods.Ftp.Rename;
-					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)
-				{
-					File.Move(UrlUtil.FileUrlToPath(iocFrom.Path),
-						UrlUtil.FileUrlToPath(iocTo.Path));
-					return;
-				}
-				else
-				{
-					req.Method = WrmMoveFile;
-					req.Headers.Set(WrhMoveFileTo, iocTo.Path);
-				}
-
-				DisposeResponse(req.GetResponse(), true);
-			}
-#endif
-
-            // using(Stream sIn = IOConnection.OpenRead(iocFrom))
-            // {
-            //	using(Stream sOut = IOConnection.OpenWrite(iocTo))
-            //	{
-            //		MemUtil.CopyStream(sIn, sOut);
-            //		sOut.Close();
-            //	}
-            //
-            //	sIn.Close();
-            // }
-            // DeleteFile(iocFrom);
         }
 
 #if (!ModernKeePassLibPCL && !KeePassLibSD && !KeePassRT)
@@ -681,7 +546,7 @@ namespace ModernKeePassLibPCL.Serialization
 #endif
         public static async Task<byte[]> ReadFile(IOConnectionInfo ioc)
 		{
-			Stream sIn = null;
+		    IRandomAccessStream sIn = null;
 			MemoryStream ms = null;
 			try
 			{
@@ -689,7 +554,8 @@ namespace ModernKeePassLibPCL.Serialization
 				if(sIn == null) return null;
 
 				ms = new MemoryStream();
-				MemUtil.CopyStream(sIn, ms);
+                
+				MemUtil.CopyStream(sIn.AsStream(), ms);
 
 				return ms.ToArray();
 			}

ModernKeePassLib/Serialization/KdbxFile.Read.cs

@@ -43,6 +43,7 @@ using ModernKeePassLibPCL.Keys;
 using ModernKeePassLibPCL.Resources;
 using ModernKeePassLibPCL.Utility;
 using Windows.Security.Cryptography.Core;
+using Windows.Storage.Streams;
 
 namespace ModernKeePassLibPCL.Serialization
 {
@@ -70,7 +71,7 @@ namespace ModernKeePassLibPCL.Serialization
 		/// a KDBX stream.</param>
 		/// <param name="kdbFormat">Format specifier.</param>
 		/// <param name="slLogger">Status logger (optional).</param>
-		public void Load(Stream sSource, KdbxFormat kdbFormat, IStatusLogger slLogger)
+		public void Load(IRandomAccessStream sSource, KdbxFormat kdbFormat, IStatusLogger slLogger)
 		{
 			Debug.Assert(sSource != null);
 			if(sSource == null) throw new ArgumentNullException("sSource");
@@ -78,7 +79,7 @@ namespace ModernKeePassLibPCL.Serialization
 			m_format = kdbFormat;
 			m_slLogger = slLogger;
 
-			HashingStreamEx hashedStream = new HashingStreamEx(sSource, false, null);
+			HashingStreamEx hashedStream = new HashingStreamEx(sSource.AsStream(), false, null);
 
 			UTF8Encoding encNoBom = StrUtil.Utf8;
 			try
@@ -164,7 +165,7 @@ namespace ModernKeePassLibPCL.Serialization
 			finally { CommonCleanUpRead(sSource, hashedStream); }
 		}
 
-		private void CommonCleanUpRead(Stream sSource, HashingStreamEx hashedStream)
+		private void CommonCleanUpRead(IRandomAccessStream sSource, HashingStreamEx hashedStream)
 		{
 			hashedStream.Dispose();
 			m_pbHashOfFileOnDisk = hashedStream.Hash;
@@ -375,7 +376,7 @@ namespace ModernKeePassLibPCL.Serialization
 		}
 
 		[Obsolete]
-		public static List<PwEntry> ReadEntries(PwDatabase pwDatabase, Stream msData)
+		public static List<PwEntry> ReadEntries(PwDatabase pwDatabase, IRandomAccessStream msData)
 		{
 			return ReadEntries(msData);
 		}
@@ -385,7 +386,7 @@ namespace ModernKeePassLibPCL.Serialization
 		/// </summary>
 		/// <param name="msData">Input stream to read the entries from.</param>
 		/// <returns>Extracted entries.</returns>
-		public static List<PwEntry> ReadEntries(Stream msData)
+		public static List<PwEntry> ReadEntries(IRandomAccessStream msData)
 		{
 			/* KdbxFile f = new KdbxFile(pwDatabase);
 			f.m_format = KdbxFormat.PlainXml;

ModernKeePassLib/Serialization/KdbxFile.Write.cs

@@ -48,6 +48,7 @@ using ModernKeePassLibPCL.Resources;
 using ModernKeePassLibPCL.Security;
 using ModernKeePassLibPCL.Utility;
 using Windows.Security.Cryptography.Core;
+using Windows.Storage.Streams;
 
 namespace ModernKeePassLibPCL.Serialization
 {
@@ -76,7 +77,7 @@ namespace ModernKeePassLibPCL.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, KdbxFormat format,
+		public void Save(IRandomAccessStream sSaveTo, PwGroup pgDataSource, KdbxFormat format,
 			IStatusLogger slLogger)
 		{
 			Debug.Assert(sSaveTo != null);
@@ -85,7 +86,7 @@ namespace ModernKeePassLibPCL.Serialization
 			m_format = format;
 			m_slLogger = slLogger;
 
-			HashingStreamEx hashedStream = new HashingStreamEx(sSaveTo, true, null);
+			HashingStreamEx hashedStream = new HashingStreamEx(sSaveTo.AsStream(), true, null);
 
 			UTF8Encoding encNoBom = StrUtil.Utf8;
 			CryptoRandom cr = CryptoRandom.Instance;
@@ -145,7 +146,7 @@ namespace ModernKeePassLibPCL.Serialization
 			finally { CommonCleanUpWrite(sSaveTo, hashedStream); }
 		}
 
-		private void CommonCleanUpWrite(Stream sSaveTo, HashingStreamEx hashedStream)
+		private void CommonCleanUpWrite(IRandomAccessStream sSaveTo, HashingStreamEx hashedStream)
 		{
 			hashedStream.Dispose();
 			m_pbHashOfFileOnDisk = hashedStream.Hash;
@@ -158,50 +159,53 @@ namespace ModernKeePassLibPCL.Serialization
 
 		private void WriteHeader(Stream s)
 		{
-			MemoryStream ms = new MemoryStream();
+		    using (var ms = new MemoryStream())
+		    {
 
-			MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileSignature1));
+		        MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileSignature1));
-			MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileSignature2));
+		        MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileSignature2));
-			MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileVersion32));
+		        MemUtil.Write(ms, MemUtil.UInt32ToBytes(FileVersion32));
 
-			WriteHeaderField(ms, KdbxHeaderFieldID.CipherID,
+		        WriteHeaderField(ms, KdbxHeaderFieldID.CipherID,
-				m_pwDatabase.DataCipherUuid.UuidBytes);
+		            m_pwDatabase.DataCipherUuid.UuidBytes);
 
-			int nCprID = (int)m_pwDatabase.Compression;
+		        int nCprID = (int) m_pwDatabase.Compression;
-			WriteHeaderField(ms, KdbxHeaderFieldID.CompressionFlags,
+		        WriteHeaderField(ms, KdbxHeaderFieldID.CompressionFlags,
-				MemUtil.UInt32ToBytes((uint)nCprID));
+		            MemUtil.UInt32ToBytes((uint) nCprID));
 
-			WriteHeaderField(ms, KdbxHeaderFieldID.MasterSeed, m_pbMasterSeed);
+		        WriteHeaderField(ms, KdbxHeaderFieldID.MasterSeed, m_pbMasterSeed);
-			WriteHeaderField(ms, KdbxHeaderFieldID.TransformSeed, m_pbTransformSeed);
+		        WriteHeaderField(ms, KdbxHeaderFieldID.TransformSeed, m_pbTransformSeed);
-			WriteHeaderField(ms, KdbxHeaderFieldID.TransformRounds,
+		        WriteHeaderField(ms, KdbxHeaderFieldID.TransformRounds,
-				MemUtil.UInt64ToBytes(m_pwDatabase.KeyEncryptionRounds));
+		            MemUtil.UInt64ToBytes(m_pwDatabase.KeyEncryptionRounds));
-			WriteHeaderField(ms, KdbxHeaderFieldID.EncryptionIV, m_pbEncryptionIV);
+		        WriteHeaderField(ms, KdbxHeaderFieldID.EncryptionIV, m_pbEncryptionIV);
-			WriteHeaderField(ms, KdbxHeaderFieldID.ProtectedStreamKey, m_pbProtectedStreamKey);
+		        WriteHeaderField(ms, KdbxHeaderFieldID.ProtectedStreamKey, m_pbProtectedStreamKey);
-			WriteHeaderField(ms, KdbxHeaderFieldID.StreamStartBytes, m_pbStreamStartBytes);
+		        WriteHeaderField(ms, KdbxHeaderFieldID.StreamStartBytes, m_pbStreamStartBytes);
 
-			int nIrsID = (int)m_craInnerRandomStream;
+		        int nIrsID = (int) m_craInnerRandomStream;
-			WriteHeaderField(ms, KdbxHeaderFieldID.InnerRandomStreamID,
+		        WriteHeaderField(ms, KdbxHeaderFieldID.InnerRandomStreamID,
-				MemUtil.UInt32ToBytes((uint)nIrsID));
+		            MemUtil.UInt32ToBytes((uint) nIrsID));
 
-			WriteHeaderField(ms, KdbxHeaderFieldID.EndOfHeader, new byte[]{
+		        WriteHeaderField(ms, KdbxHeaderFieldID.EndOfHeader, new byte[]
-				(byte)'\r', (byte)'\n', (byte)'\r', (byte)'\n' });
+		        {
+		            (byte) '\r', (byte) '\n', (byte) '\r', (byte) '\n'
+		        });
 
-			byte[] pbHeader = ms.ToArray();
+		        byte[] pbHeader = ms.ToArray();
-			ms.Dispose();
 
 #if ModernKeePassLibPCL
-            /*var sha256 = WinRTCrypto.HashAlgorithmProvider.OpenAlgorithm(HashAlgorithm.Sha256);
+		        /*var sha256 = WinRTCrypto.HashAlgorithmProvider.OpenAlgorithm(HashAlgorithm.Sha256);
-			m_pbHashOfHeader = sha256.HashData(pbHeader);*/
+                m_pbHashOfHeader = sha256.HashData(pbHeader);*/
-            var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+		        var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
-            var buffer = sha256.HashData(CryptographicBuffer.CreateFromByteArray(pbHeader));
+		        var buffer = sha256.HashData(CryptographicBuffer.CreateFromByteArray(pbHeader));
-            CryptographicBuffer.CopyToByteArray(buffer, out m_pbHashOfHeader);
+		        CryptographicBuffer.CopyToByteArray(buffer, out m_pbHashOfHeader);
 #else
 			SHA256Managed sha256 = new SHA256Managed();
 			m_pbHashOfHeader = sha256.ComputeHash(pbHeader);
 #endif
 
-            s.Write(pbHeader, 0, pbHeader.Length);
+		        s.Write(pbHeader, 0, pbHeader.Length);
-			s.Flush();
+		        s.Flush();
+		    }
 		}
 
 		private static void WriteHeaderField(Stream s, KdbxHeaderFieldID kdbID,
@@ -221,43 +225,42 @@ namespace ModernKeePassLibPCL.Serialization
 
 		private Stream AttachStreamEncryptor(Stream s)
 		{
-			MemoryStream ms = new MemoryStream();
+		    using (var ms = new MemoryStream())
+		    {
+		        Debug.Assert(m_pbMasterSeed != null);
+		        Debug.Assert(m_pbMasterSeed.Length == 32);
+		        ms.Write(m_pbMasterSeed, 0, 32);
 
-			Debug.Assert(m_pbMasterSeed != null);
+		        Debug.Assert(m_pwDatabase != null);
-			Debug.Assert(m_pbMasterSeed.Length == 32);
+		        Debug.Assert(m_pwDatabase.MasterKey != null);
-			ms.Write(m_pbMasterSeed, 0, 32);
+		        ProtectedBinary pbinKey = m_pwDatabase.MasterKey.GenerateKey32(
-
+		            m_pbTransformSeed, m_pwDatabase.KeyEncryptionRounds);
-			Debug.Assert(m_pwDatabase != null);
+		        Debug.Assert(pbinKey != null);
-			Debug.Assert(m_pwDatabase.MasterKey != null);
+		        if (pbinKey == null)
-			ProtectedBinary pbinKey = m_pwDatabase.MasterKey.GenerateKey32(
+		            throw new SecurityException(KLRes.InvalidCompositeKey);
-				m_pbTransformSeed, m_pwDatabase.KeyEncryptionRounds);
+		        byte[] pKey32 = pbinKey.ReadData();
-			Debug.Assert(pbinKey != null);
+		        if ((pKey32 == null) || (pKey32.Length != 32))
-			if(pbinKey == null)
+		            throw new SecurityException(KLRes.InvalidCompositeKey);
-				throw new SecurityException(KLRes.InvalidCompositeKey);
+		        ms.Write(pKey32, 0, 32);
-			byte[] pKey32 = pbinKey.ReadData();
-			if((pKey32 == null) || (pKey32.Length != 32))
-				throw new SecurityException(KLRes.InvalidCompositeKey);
-			ms.Write(pKey32, 0, 32);
 
 #if ModernKeePassLibPCL
-            /*var sha256 = WinRTCrypto.HashAlgorithmProvider.OpenAlgorithm(HashAlgorithm.Sha256);
+		        /*var sha256 = WinRTCrypto.HashAlgorithmProvider.OpenAlgorithm(HashAlgorithm.Sha256);
-			var aesKey = sha256.HashData(ms.ToArray());*/
+                var aesKey = sha256.HashData(ms.ToArray());*/
-            var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
+		        var sha256 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
-            var buffer = sha256.HashData(CryptographicBuffer.CreateFromByteArray(ms.ToArray()));
+		        var buffer = sha256.HashData(CryptographicBuffer.CreateFromByteArray(ms.ToArray()));
-            byte[] aesKey;
+		        byte[] aesKey;
-            CryptographicBuffer.CopyToByteArray(buffer, out aesKey);
+		        CryptographicBuffer.CopyToByteArray(buffer, out aesKey);
 #else
 			SHA256Managed sha256 = new SHA256Managed();
 			byte[] aesKey = sha256.ComputeHash(ms.ToArray());
 #endif
+		        Array.Clear(pKey32, 0, 32);
 
-            ms.Dispose();
+		        Debug.Assert(CipherPool.GlobalPool != null);
-			Array.Clear(pKey32, 0, 32);
+		        ICipherEngine iEngine = CipherPool.GlobalPool.GetCipher(m_pwDatabase.DataCipherUuid);
-
+		        if (iEngine == null) throw new SecurityException(KLRes.FileUnknownCipher);
-			Debug.Assert(CipherPool.GlobalPool != null);
+		        return iEngine.EncryptStream(s, aesKey, m_pbEncryptionIV);
-			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)
@@ -833,7 +836,7 @@ namespace ModernKeePassLibPCL.Serialization
 		}
 
 		[Obsolete]
-		public static bool WriteEntries(Stream msOutput, PwDatabase pwDatabase,
+		public static bool WriteEntries(IRandomAccessStream msOutput, PwDatabase pwDatabase,
 			PwEntry[] vEntries)
 		{
 			return WriteEntries(msOutput, vEntries);
@@ -846,7 +849,7 @@ namespace ModernKeePassLibPCL.Serialization
 		/// <param name="vEntries">Entries to serialize.</param>
 		/// <returns>Returns <c>true</c>, if the entries were written successfully
 		/// to the stream.</returns>
-		public static bool WriteEntries(Stream msOutput, PwEntry[] vEntries)
+		public static bool WriteEntries(IRandomAccessStream msOutput, PwEntry[] vEntries)
 		{
 			/* KdbxFile f = new KdbxFile(pwDatabase);
 			f.m_format = KdbxFormat.PlainXml;

ModernKeePassLib/project.json

@@ -5,6 +5,7 @@
     "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
     "NETStandard.Library": "1.6.0",
     "PInvoke.Windows.Core": "0.5.97",
+    "Portable.BouncyCastle": "1.8.1.1",
     "Splat": "2.0.0",
     "System.Runtime.WindowsRuntime": "4.3.0",
     "System.Xml.ReaderWriter": "4.3.0",

ModernKeePassLib/project.lock.json

@@ -120,6 +120,29 @@
           "lib/netstandard1.1/PInvoke.Windows.Core.dll": {}
         }
       },
+      "Portable.BouncyCastle/1.8.1.1": {
+        "type": "package",
+        "dependencies": {
+          "System.Collections": "4.0.11",
+          "System.Diagnostics.Debug": "4.0.11",
+          "System.Globalization": "4.0.11",
+          "System.IO": "4.1.0",
+          "System.Linq": "4.1.0",
+          "System.Reflection": "4.1.0",
+          "System.Reflection.Extensions": "4.0.1",
+          "System.Runtime": "4.1.0",
+          "System.Runtime.Extensions": "4.1.0",
+          "System.Text.Encoding": "4.0.11",
+          "System.Threading": "4.0.11",
+          "System.Threading.Tasks": "4.0.11"
+        },
+        "compile": {
+          "lib/netstandard1.0/crypto.dll": {}
+        },
+        "runtime": {
+          "lib/netstandard1.0/crypto.dll": {}
+        }
+      },
       "runtime.native.System/4.0.0": {
         "type": "package",
         "dependencies": {
@@ -545,7 +568,7 @@
       ]
     },
     "Microsoft.NETCore.Platforms/1.1.0": {
-      "sha512": "kz0PEW2lhqygehI/d6XsPCQzD7ff7gUJaVGPVETX611eadGsA3A877GdSlU0LRVMCTH/+P3o2iDTak+S08V2+A==",
+      "sha512": "+XHS7n+M0uDgC28FAzPVRvDG2SvxtkprfAdbd0Cf9Fqa8YgMuXPXvoTB0SW/W/Z6kbuvp0fVeDItXnC9rnL+XA==",
       "type": "package",
       "files": [
         "ThirdPartyNotices.txt",
@@ -649,7 +672,7 @@
       ]
     },
     "Microsoft.NETCore.Targets/1.1.0": {
-      "sha512": "aOZA3BWfz9RXjpzt0sRJJMjAscAUm3Hoa4UWAfceV9UTYxgwZ1lZt5nO2myFf+/jetYQo4uTP7zS8sJY67BBxg==",
+      "sha512": "dUUadXhJMY9VZYrGVdJDKzcXsYcUmadCTd1Kz4VQgLuZhaC+QlbC7tDkFSE+snB5TBLxmRU3ZfX8ur4buLawqQ==",
       "type": "package",
       "files": [
         "ThirdPartyNotices.txt",
@@ -661,7 +684,7 @@
       ]
     },
     "Microsoft.NETCore.Windows.ApiSets/1.0.1": {
-      "sha512": "SaToCvvsGMxTgtLv/BrFQ5IFMPRE1zpWbnqbpwykJa8W5XiX82CXI6K2o7yf5xS7EP6t/JzFLV0SIDuWpvBZVw==",
+      "sha512": "q0mF2juY/56CMT5b+bi8uh90ZiH1DB8TCoaK6nOTRZPQmRiqz+8JuOIu1upvy21SZHoesIl9alCFXK5MlfKFuQ==",
       "type": "package",
       "files": [
         "ThirdPartyNotices.txt",
@@ -672,13 +695,13 @@
       ]
     },
     "NETStandard.Library/1.6.0": {
-      "sha512": "ypsCvIdCZ4IoYASJHt6tF2fMo7N30NLgV1EbmC+snO490OMl9FvVxmumw14rhReWU3j3g7BYudG6YCrchwHJlA==",
+      "sha512": "jm2kphgr45o12LIu+N0VGATQnkOhTKVUmDT3tHCiO1FYlPH8p0RR9PSldA2+wLLJfofb260sBCnB6ZIywLm81w==",
       "type": "package",
       "files": [
-        "NETStandard.Library.1.6.0.nupkg.sha512",
-        "NETStandard.Library.nuspec",
         "ThirdPartyNotices.txt",
-        "dotnet_library_license.txt"
+        "dotnet_library_license.txt",
+        "netstandard.library.1.6.0.nupkg.sha512",
+        "netstandard.library.nuspec"
       ]
     },
     "PInvoke.Windows.Core/0.5.97": {
@@ -699,15 +722,33 @@
         "lib/portable-net45+win8+wpa81/PInvoke.Windows.Core.xml"
       ]
     },
+    "Portable.BouncyCastle/1.8.1.1": {
+      "sha512": "rv/VIvOMhZaZ6iSyKeJiwrYWq4J05Td59VekLxmLD+nR0liHFLPtkUtPfJL2sMaVghy1PpF/HjSvvcoNZQtlGA==",
+      "type": "package",
+      "files": [
+        "Portable.BouncyCastle.1.8.1.1.nupkg.sha512",
+        "Portable.BouncyCastle.nuspec",
+        "Readme.html",
+        "lib/netstandard1.0/crypto.dll",
+        "lib/netstandard1.0/crypto.pdb",
+        "lib/netstandard1.0/crypto.xml",
+        "lib/netstandard1.3/crypto.dll",
+        "lib/netstandard1.3/crypto.pdb",
+        "lib/netstandard1.3/crypto.xml",
+        "lib/portable-net4+sl5+wp8+win8+wpa81/crypto.dll",
+        "lib/portable-net4+sl5+wp8+win8+wpa81/crypto.pdb",
+        "lib/portable-net4+sl5+wp8+win8+wpa81/crypto.xml"
+      ]
+    },
     "runtime.native.System/4.0.0": {
-      "sha512": "QfS/nQI7k/BLgmLrw7qm7YBoULEvgWnPI+cYsbfCVFTW8Aj+i8JhccxcFMu1RWms0YZzF+UHguNBK4Qn89e2Sg==",
+      "sha512": "QcQUghVj1shUpPVYepSVQL1K4hhN7Nu1orN0snxBVi+6x8+fHLPoqJQrH4cKAOX8Lr5JIFrIljv/rS3bfeSqQg==",
       "type": "package",
       "files": [
         "ThirdPartyNotices.txt",
         "dotnet_library_license.txt",
         "lib/netstandard1.0/_._",
-        "runtime.native.System.4.0.0.nupkg.sha512",
+        "runtime.native.system.4.0.0.nupkg.sha512",
-        "runtime.native.System.nuspec"
+        "runtime.native.system.nuspec"
       ]
     },
     "Splat/2.0.0": {
@@ -737,7 +778,7 @@
       ]
     },
     "System.Collections/4.0.11": {
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@@ -2922,6 +2963,7 @@
       "Microsoft.NETCore.Portable.Compatibility >= 1.0.1",
       "NETStandard.Library >= 1.6.0",
       "PInvoke.Windows.Core >= 0.5.97",
+      "Portable.BouncyCastle >= 1.8.1.1",
       "Splat >= 2.0.0",
       "System.Runtime.WindowsRuntime >= 4.3.0",
       "System.Xml.ReaderWriter >= 4.3.0",