fixed problems in certificate validation code (updates in Mono?) Also disabled linking in release to avoid problems.

src/KP2AKdbLibraryBinding/KP2AKdbLibraryBinding.csproj

@@ -42,9 +42,8 @@
   <ItemGroup>
     <None Include="Jars\AboutJars.txt" />
     <None Include="Additions\AboutAdditions.txt" />
-    <None Include="libs\armeabi-v7a\libfinal-key.so" />
+    <EmbeddedNativeLibrary Include="libs\armeabi-v7a\libfinal-key.so" />
-    <None Include="libs\armeabi\libfinal-key.so" />
+    <EmbeddedNativeLibrary Include="libs\armeabi\libfinal-key.so" />
-    <None Include="libs\mips\libfinal-key.so" />
   </ItemGroup>
   <ItemGroup>
     <TransformFile Include="Transforms\Metadata.xml">

src/KeePassLib2Android/KeePassLib2Android.csproj

@@ -20,7 +20,7 @@
     <DebugType>full</DebugType>
     <Optimize>False</Optimize>
     <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;EXCLUDE_TWOFISH;EXCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;EXCLUDE_JAVAFILESTORAGE;EXCLUDE_KEYTRANSFORM</DefineConstants>
+    <DefineConstants>DEBUG;INCLUDE_TWOFISH;EXCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;INCLUDE_JAVAFILESTORAGE;INCLUDE_KEYTRANSFORM</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <ConsolePause>False</ConsolePause>

src/KeePassLib2Android/Serialization/IOConnection.cs

@@ -68,6 +68,8 @@ namespace KeePassLib.Serialization
 			// get { return m_bSslCertsAcceptInvalid; }
 			set { m_bSslCertsAcceptInvalid = value; }
 		}
+
+		public static RemoteCertificateValidationCallback CertificateValidationCallback { get; set; }
 #endif
 
 		// Web request methods
@@ -192,11 +194,10 @@ namespace KeePassLib.Serialization
 
 		private static void PrepareWebAccess()
 		{
-			if(m_bSslCertsAcceptInvalid)
+			/*
 				ServicePointManager.ServerCertificateValidationCallback =
-					IOConnection.AcceptCertificate;
+					IOConnection.AcceptCertificate;*/
-			else
+			ServicePointManager.ServerCertificateValidationCallback = CertificateValidationCallback;
-				ServicePointManager.ServerCertificateValidationCallback = null;
 		}
 
 		private static IOWebClient CreateWebClient(IOConnectionInfo ioc, bool digestAuth)
@@ -361,29 +362,25 @@ namespace KeePassLib.Serialization
 			public override void Close()
 			{
 				base.Close();
-				try
+				RepeatWithDigestOnFail(ioc, req =>
 				{
-					uploadData(IOConnection.CreateWebClient(ioc, false));
+					req.Headers.Add("Translate: f");
-				} catch (WebException ex)
+
-				{
+					if (method != null)
-					if ((ex.Response is HttpWebResponse) && (((HttpWebResponse) ex.Response).StatusCode == HttpStatusCode.Unauthorized))
+						req.Method = method;
-						uploadData(IOConnection.CreateWebClient(ioc, true));
+					var data = this.ToArray();
-					else
+
-						throw;
+					using (Stream s = req.GetRequestStream())
-				}
+					{
+						s.Write(data, 0, data.Length);
+						req.GetResponse();
+						s.Close();
+					}
+				});
 				
 			}
 
-			void uploadData(WebClient webClient)
+			
-			{
-				if (method != null)
-				{
-					webClient.UploadData(destinationFilePath, method, this.ToArray());
-				} else
-				{
-					webClient.UploadData(destinationFilePath, this.ToArray());
-				}
-			}
 		}
 
 		public static Stream OpenWrite(IOConnectionInfo ioc)

src/Kp2aBusinessLogic/IKp2aApp.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Net.Security;
+using System.Security.Cryptography.X509Certificates;
 using Android.App;
 using System.IO;
 using Android.Content;
@@ -14,8 +16,8 @@ namespace keepass2android
 	/// Interface through which Activities and the logic layer can access some app specific functionalities and Application static data
 	/// </summary>
 	/// This also contains methods which are UI specific and should be replacable for testing.
-    public interface IKp2aApp
+	public interface IKp2aApp
-    {
+	{
 		/// <summary>
 		/// Locks the currently open database, quicklocking if available (unless false is passed for allowQuickUnlock)
 		/// </summary>
@@ -24,51 +26,52 @@ namespace keepass2android
 		/// <summary>
 		/// Loads the specified data as the currently open database, as unlocked.
 		/// </summary>
-		void LoadDatabase(IOConnectionInfo ioConnectionInfo, MemoryStream memoryStream, CompositeKey compKey, ProgressDialogStatusLogger statusLogger, IDatabaseLoader databaseLoader);
+		void LoadDatabase(IOConnectionInfo ioConnectionInfo, MemoryStream memoryStream, CompositeKey compKey,
+		                  ProgressDialogStatusLogger statusLogger, IDatabaseLoader databaseLoader);
 
 		/// <summary>
 		/// Returns the current database
 		/// </summary>
-        Database GetDb();
+		Database GetDb();
 
 		/// <summary>
 		/// Tell the app that the file from ioc was opened with keyfile.
 		/// </summary>
-        void StoreOpenedFileAsRecent(IOConnectionInfo ioc, string keyfile);
+		void StoreOpenedFileAsRecent(IOConnectionInfo ioc, string keyfile);
 
 		/// <summary>
 		/// Creates a new database and returns it
 		/// </summary>
-        Database CreateNewDatabase();
+		Database CreateNewDatabase();
 
 		/// <summary>
 		/// Returns the user-displayable string identified by stringKey
 		/// </summary>
-        string GetResourceString(UiStringKey stringKey);
+		string GetResourceString(UiStringKey stringKey);
 
 		/// <summary>
 		/// Returns the value from the preferences corresponding to key
 		/// </summary>
-        bool GetBooleanPreference(PreferenceKey key);
+		bool GetBooleanPreference(PreferenceKey key);
 
 		/// <summary>
 		/// Asks the user the question "messageKey" with the options Yes/No/Cancel, calls the handler corresponding to the answer.
 		/// </summary>
-        void AskYesNoCancel(UiStringKey titleKey, UiStringKey messageKey, 
+		void AskYesNoCancel(UiStringKey titleKey, UiStringKey messageKey,
-            EventHandler<DialogClickEventArgs> yesHandler, 
+		                    EventHandler<DialogClickEventArgs> yesHandler,
-            EventHandler<DialogClickEventArgs> noHandler, 
+		                    EventHandler<DialogClickEventArgs> noHandler,
-            EventHandler<DialogClickEventArgs> cancelHandler, 
+		                    EventHandler<DialogClickEventArgs> cancelHandler,
-            Context ctx);
+		                    Context ctx);
 
 		/// <summary>
 		/// Asks the user the question "messageKey" with the options Yes/No/Cancel, but the yes/no strings can be selected freely, calls the handler corresponding to the answer.
 		/// </summary>
 		void AskYesNoCancel(UiStringKey titleKey, UiStringKey messageKey,
-			UiStringKey yesString, UiStringKey noString,
+		                    UiStringKey yesString, UiStringKey noString,
-			EventHandler<DialogClickEventArgs> yesHandler,
+		                    EventHandler<DialogClickEventArgs> yesHandler,
-            EventHandler<DialogClickEventArgs> noHandler,
+		                    EventHandler<DialogClickEventArgs> noHandler,
-            EventHandler<DialogClickEventArgs> cancelHandler,
+		                    EventHandler<DialogClickEventArgs> cancelHandler,
-            Context ctx);
+		                    Context ctx);
 
 		/// <summary>
 		/// Returns a Handler object which can run tasks on the UI thread
@@ -84,6 +87,8 @@ namespace keepass2android
 		/// Handles a failed certificate validation. Returns true if the users wants to continue, false otherwise.
 		/// see http://msdn.microsoft.com/en-us/library/system.net.icertificatepolicy(v=vs.110).aspx
 		/// </summary>
-		bool OnServerCertificateError(int certificateProblem);
+		//bool OnServerCertificateError(int certificateProblem);
-    }
+
+		RemoteCertificateValidationCallback CertificateValidationCallback { get; }
+	}
 }

src/Kp2aBusinessLogic/Io/BuiltInFileStorage.cs

@@ -37,31 +37,13 @@ namespace keepass2android.Io
 
 		private readonly IKp2aApp _app;
 
-		class CertificatePolicity: ICertificatePolicy 
-		{
-			private readonly IKp2aApp _app;
-
-			public CertificatePolicity(IKp2aApp app)
-			{
-				_app = app;
-			}
-
-			public bool CheckValidationResult(ServicePoint srvPoint, System.Security.Cryptography.X509Certificates.X509Certificate certificate, WebRequest request,
-			                                  int certificateProblem)
-			{
-				if (certificateProblem == 0) //ok
-					return true;
-				return _app.OnServerCertificateError(certificateProblem);
-			}
-		}
-
-
 		public BuiltInFileStorage(IKp2aApp app)
 		{
 			_app = app;
 			//use the obsolute CertificatePolicy because the ServerCertificateValidationCallback isn't called in Mono for Android (?)
-			ServicePointManager.CertificatePolicy = new CertificatePolicity(app);
+			//ServicePointManager.CertificatePolicy = new CertificatePolicity(app);
-			
+			IOConnection.CertificateValidationCallback = app.CertificateValidationCallback;
+
 		}
 
 		public IEnumerable<string> SupportedProtocols 

src/Kp2aBusinessLogic/Kp2aBusinessLogic.csproj

@@ -20,7 +20,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>TRACE;DEBUG;EXCLUDE_TWOFISH;EXCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;EXCLUDE_JAVAFILESTORAGE;EXCLUDE_KEYTRANSFORM</DefineConstants>
+    <DefineConstants>TRACE;DEBUG;INCLUDE_TWOFISH;EXCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;INCLUDE_JAVAFILESTORAGE;INCLUDE_KEYTRANSFORM</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
@@ -112,10 +112,22 @@
     <Compile Include="Utils\Spr\SprEngine.PickChars.cs" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\JavaFileStorageBindings\JavaFileStorageBindings.csproj">
+      <Project>{48574278-4779-4b3a-a9e4-9cf1bc285d0b}</Project>
+      <Name>JavaFileStorageBindings</Name>
+    </ProjectReference>
     <ProjectReference Include="..\KeePassLib2Android\KeePassLib2Android.csproj">
       <Project>{545b4a6b-8bba-4fbe-92fc-4ac060122a54}</Project>
       <Name>KeePassLib2Android</Name>
     </ProjectReference>
+    <ProjectReference Include="..\KP2AKdbLibraryBinding\KP2AKdbLibraryBinding.csproj">
+      <Project>{70d3844a-d9fa-4a64-b205-a84c6a822196}</Project>
+      <Name>KP2AKdbLibraryBinding</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\TwofishCipher\TwofishCipher.csproj">
+      <Project>{5cf675a5-9bee-4720-bed9-d5bf14a2ebf9}</Project>
+      <Name>TwofishCipher</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 

src/Kp2aUnitTests/Kp2aUnitTests.csproj

@@ -43,7 +43,10 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
-    <AndroidLinkMode>SdkOnly</AndroidLinkMode>
+    <AndroidLinkMode>None</AndroidLinkMode>
+    <AndroidLinkSkip />
+    <EmbedAssembliesIntoApk>True</EmbedAssembliesIntoApk>
+    <BundleAssemblies>False</BundleAssemblies>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'ReleaseNoNet|AnyCPU'">
     <OutputPath>bin\ReleaseNoNet\</OutputPath>

src/Kp2aUnitTests/MainActivity.cs

@@ -18,11 +18,12 @@ namespace Kp2aUnitTests
         {
             TestRunner runner = new TestRunner();
             // Run all tests from this assembly
-            runner.AddTests(Assembly.GetExecutingAssembly());
+            //runner.AddTests(Assembly.GetExecutingAssembly());
 			//runner.AddTests(new List<Type> { typeof(TestSynchronizeCachedDatabase)});
 			//runner.AddTests(typeof(TestLoadDb).GetMethod("LoadErrorWithCertificateTrustFailure"));
+			//runner.AddTests(typeof(TestLoadDb).GetMethod("LoadWithAcceptedCertificateTrustFailure"));
 
-			//runner.AddTests(new List<Type> { typeof(TestLoadDb) });
+			runner.AddTests(new List<Type> { typeof(TestLoadDb) });
 			//runner.AddTests(new List<Type> { typeof(TestCachingFileStorage) });
 			//runner.AddTests(typeof(TestLoadDb).GetMethod("TestLoadKdb1"));
 			//runner.AddTests(typeof(TestLoadDb).GetMethod("TestLoadWithKeyfileOnly"));

src/Kp2aUnitTests/TestKp2aApp.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Net.Security;
+using System.Security.Cryptography.X509Certificates;
 using Android.App;
 using Android.Content;
 using Android.OS;
@@ -27,6 +28,7 @@ namespace Kp2aUnitTests
 		private YesNoCancelResult _yesNoCancelResult = YesNoCancelResult.Yes;
 		private Dictionary<PreferenceKey, bool> _preferences = new Dictionary<PreferenceKey, bool>();
 
+		private int id = new Random().Next(1000);
 
 		public void SetShutdown()
 		{
@@ -140,6 +142,7 @@ namespace Kp2aUnitTests
 		
 		public bool TriggerReloadCalled;
 		private TestFileStorage _testFileStorage;
+		private bool _serverCertificateErrorResponse;
 
 		public TestKp2aApp()
 		{
@@ -151,13 +154,49 @@ namespace Kp2aUnitTests
 			TriggerReloadCalled = true;
 		}
 
+		
+
+		public RemoteCertificateValidationCallback CertificateValidationCallback
+		{
+			get
+			{
+				Kp2aLog.Log("TESTAPP: " + id + "/ " + ServerCertificateErrorResponse);
+				if (!ServerCertificateErrorResponse)
+				{
+					return (sender, certificate, chain, errors) =>
+						{
+							if (errors == SslPolicyErrors.None)
+								return true;
+							return false;
+						};
+
+				}
+//					return null; //default behavior
+
+				return (sender, certificate, chain, errors) =>
+					{
+						return true;
+					};
+			}
+				
+		}
+		
+		
+
 		public bool OnServerCertificateError(int sslPolicyErrors)
 		{
 			ServerCertificateErrorCalled = true;
 			return ServerCertificateErrorResponse;
 		}
 
-		public bool ServerCertificateErrorResponse { get; set; }
+		public bool ServerCertificateErrorResponse
+		{
+			get { return _serverCertificateErrorResponse; }
+			set { 
+				_serverCertificateErrorResponse = value;
+				FileStorage = new BuiltInFileStorage(this); // recreate because of possibly changed validation behavior
+			}
+		}
 
 		protected bool ServerCertificateErrorCalled { get; set; }
 

src/Kp2aUnitTests/TestLoadDb.cs

@@ -261,7 +261,8 @@ namespace Kp2aUnitTests
 		[TestMethod]
 		public void FileNotFoundExceptionWithWebDav()
 		{
-			var fileStorage = new BuiltInFileStorage(new TestKp2aApp());
+			var app = new TestKp2aApp();
+			var fileStorage = app.FileStorage;
 			
 			//should work:
 			using (var stream = fileStorage.OpenFileForRead(RemoteIoc1and1))

src/keepass2android/app/App.cs

@@ -18,6 +18,7 @@ This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Net.Security;
 using Android.App;
 using Android.Content;
 using Android.Graphics.Drawables;
@@ -419,61 +420,63 @@ namespace keepass2android
 				});
 		}
 
-		
+		public RemoteCertificateValidationCallback CertificateValidationCallback
-
-		private String GetProblemMessage(BuiltInFileStorage.CertificateProblem problem)
 		{
-			String problemMessage;
+			get
-			const BuiltInFileStorage.CertificateProblem problemList = new BuiltInFileStorage.CertificateProblem();
+			{
-			string problemCodeName = Enum.GetName(typeof(BuiltInFileStorage.CertificateProblem), problem);
+				var prefs = PreferenceManager.GetDefaultSharedPreferences(Application.Context);
-				
+
-			if (problemCodeName != null)
+				ValidationMode validationMode = ValidationMode.Warn;
-				problemMessage = problemCodeName;
+
-			else
+				string strValMode = prefs.GetString(Application.Context.Resources.GetString(Resource.String.AcceptAllServerCertificates_key),
-				problemMessage = "Unknown Certificate Problem";
+													 Application.Context.Resources.GetString(Resource.String.AcceptAllServerCertificates_default));
-			return problemMessage;
+
+				if (strValMode == "IGNORE")
+					validationMode = ValidationMode.Ignore;
+				else if (strValMode == "ERROR")
+					validationMode = ValidationMode.Error;
+				;
+
+				switch (validationMode)
+				{
+					case ValidationMode.Ignore:
+						return (sender, certificate, chain, errors) =>
+						{
+							ShowToast(Application.Context.GetString(Resource.String.CertificateWarning,
+															new Java.Lang.Object[]
+					                                        {
+						                                       errors.ToString()
+					                                        }));
+							return true;
+						};
+					case ValidationMode.Warn:
+						return (sender, certificate, chain, errors) =>
+						{
+							return true;
+						};
+						
+					case ValidationMode.Error:
+						return (sender, certificate, chain, errors) =>
+						{
+							if (errors == SslPolicyErrors.None)
+								return true;
+						
+							return false;
+						};;
+					default:
+						throw new ArgumentOutOfRangeException();
+				}
+
+			}
+
 		}
 
+
 		enum ValidationMode
 		{
 			Ignore, Warn, Error
 		}
 
-		public bool OnServerCertificateError(int certificateProblem)
-		{
-			var prefs = PreferenceManager.GetDefaultSharedPreferences(Application.Context);
-
-			ValidationMode validationMode = ValidationMode.Warn;
-			
-			string strValMode = prefs.GetString(Application.Context.Resources.GetString(Resource.String.AcceptAllServerCertificates_key),
-												 Application.Context.Resources.GetString(Resource.String.AcceptAllServerCertificates_default));
-
-			if (strValMode == "IGNORE")
-				validationMode = ValidationMode.Ignore;
-			else if (strValMode == "ERROR")
-				validationMode = ValidationMode.Error;
-			;
-
-			switch (validationMode)
-			{
-				case ValidationMode.Ignore:
-					return true;
-				case ValidationMode.Warn:
-					ShowToast(Application.Context.GetString(Resource.String.CertificateWarning,
-				                                        new Java.Lang.Object[]
-					                                        {
-						                                        GetProblemMessage(
-							                                        (BuiltInFileStorage.CertificateProblem)
-							                                        (System.UInt32) certificateProblem)
-					                                        }));
-					return true;
-				case ValidationMode.Error:
-					return false;
-				default:
-					throw new ArgumentOutOfRangeException();
-			}
-		}
-
 
 		internal void OnTerminate()
         {

src/keepass2android/keepass2android.csproj

@@ -50,7 +50,7 @@
     <WarningLevel>4</WarningLevel>
     <AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
     <ConsolePause>False</ConsolePause>
-    <AndroidLinkMode>SdkOnly</AndroidLinkMode>
+    <AndroidLinkMode>None</AndroidLinkMode>
     <AndroidSupportedAbis>armeabi,armeabi-v7a</AndroidSupportedAbis>
     <CustomCommands>
       <CustomCommands>
@@ -59,6 +59,9 @@
     </CustomCommands>
     <DeployExternal>True</DeployExternal>
     <DefineConstants>RELEASE</DefineConstants>
+    <AndroidLinkSkip />
+    <EmbedAssembliesIntoApk>True</EmbedAssembliesIntoApk>
+    <BundleAssemblies>False</BundleAssemblies>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseNoNet|AnyCPU' ">
     <DebugType>none</DebugType>
@@ -173,12 +176,6 @@
     <AndroidAsset Include="Assets\fontawesome-webfont.ttf" />
     <AndroidAsset Include="Assets\DejaVuSansMono.ttf" />
     <AndroidAsset Include="Assets\LICENSE_dejavu" />
-    <AndroidNativeLibrary Include="..\java\KP2AKdbLibrary\libs\armeabi-v7a\libfinal-key.so">
-      <Link>libs\armeabi-v7a\libfinal-key.so</Link>
-    </AndroidNativeLibrary>
-    <AndroidNativeLibrary Include="..\java\KP2AKdbLibrary\libs\armeabi\libfinal-key.so">
-      <Link>libs\armeabi\libfinal-key.so</Link>
-    </AndroidNativeLibrary>
     <None Include="Resources\AboutResources.txt" />
     <AndroidResource Include="Resources\drawable-hdpi\Thumbs.db" />
     <None Include="Resources\drawable\Thumbs.db">
@@ -663,10 +660,23 @@
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Novell\Novell.MonoDroid.CSharp.targets" />
   <ItemGroup>
+    <Folder Include="libs\" />
     <Folder Include="Resources\color\" />
     <Folder Include="SupportLib\" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\AndroidFileChooserBinding\AndroidFileChooserBinding.csproj">
+      <Project>{3c0f7fe5-639f-4422-a087-8b26cf862d1b}</Project>
+      <Name>AndroidFileChooserBinding</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\AppCompatV7Binding\AppCompatV7Binding.csproj">
+      <Project>{23233a28-d74f-4bf8-b4d8-834060840bd7}</Project>
+      <Name>AppCompatV7Binding</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\JavaFileStorageBindings\JavaFileStorageBindings.csproj">
+      <Project>{48574278-4779-4b3a-a9e4-9cf1bc285d0b}</Project>
+      <Name>JavaFileStorageBindings</Name>
+    </ProjectReference>
     <ProjectReference Include="..\KeePassLib2Android\KeePassLib2Android.csproj">
       <Project>{545B4A6B-8BBA-4FBE-92FC-4AC060122A54}</Project>
       <Name>KeePassLib2Android</Name>
@@ -675,6 +685,18 @@
       <Project>{53A9CB7F-6553-4BC0-B56B-9410BB2E59AA}</Project>
       <Name>Kp2aBusinessLogic</Name>
     </ProjectReference>
+    <ProjectReference Include="..\KP2AKdbLibraryBinding\KP2AKdbLibraryBinding.csproj">
+      <Project>{70d3844a-d9fa-4a64-b205-a84c6a822196}</Project>
+      <Name>KP2AKdbLibraryBinding</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Kp2aKeyboardBinding\Kp2aKeyboardBinding.csproj">
+      <Project>{a8779d4d-7c49-4c2f-82bd-2cdc448391da}</Project>
+      <Name>Kp2aKeyboardBinding</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\TwofishCipher\TwofishCipher.csproj">
+      <Project>{5cf675a5-9bee-4720-bed9-d5bf14a2ebf9}</Project>
+      <Name>TwofishCipher</Name>
+    </ProjectReference>
   </ItemGroup>
   <ProjectExtensions>
     <MonoDevelop>