Added a cryptography service to encrypt protected information (unused atm)

Corrected a bug when deleting recycle bin

ModernKeePass.Infrastructure/KeePass/KeePassDatabaseSettingsProxy.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Entities;
+using ModernKeePassLib;
+using ModernKeePassLib.Cryptography.Cipher;
+using ModernKeePassLib.Cryptography.KeyDerivation;
+
+namespace ModernKeePass.Infrastructure.KeePass
+{
+    public class KeePassDatabaseSettingsProxy: IDatabaseSettingsProxy
+    {
+        public IEnumerable<BaseEntity> Ciphers
+        {
+            get
+            {
+                for (var inx = 0; inx < CipherPool.GlobalPool.EngineCount; inx++)
+                {
+                    var cipher = CipherPool.GlobalPool[inx];
+                    yield return new BaseEntity
+                    {
+                        Id = cipher.CipherUuid.ToHexString(),
+                        Name = cipher.DisplayName
+                    };
+                }
+            }
+        }
+
+        public IEnumerable<BaseEntity> KeyDerivations => KdfPool.Engines.Select(e => new BaseEntity
+        {
+            Id = e.Uuid.ToHexString(),
+            Name = e.Name
+        });
+
+        public IEnumerable<string> CompressionAlgorithms => Enum.GetNames(typeof(PwCompressionAlgorithm)).Take((int) PwCompressionAlgorithm.Count);
+    }
+}