minor changes

.gitignore

@@ -258,3 +258,5 @@ Thumbs.db
 /src/java/PluginInputStick/bin
 
 /src/java/PluginInputStick/icons
+
+/src/PluginSdkBinding/bin/Release

src/ArtTestApp/Activity1.cs

@@ -1,18 +1,28 @@
 using System;
-
+using System.Collections.Generic;
 using Android.App;
 using Android.Content;
+using Android.Content.PM;
 using Android.Runtime;
 using Android.Views;
 using Android.Widget;
 using Android.OS;
+using KeeChallenge;
+using KeePassLib.Serialization;
+using keepass2android;
+using keepass2android.Io;
 
 namespace ArtTestApp
 {
 	[Activity(Label = "ArtTestApp", MainLauncher = true, Icon = "@drawable/icon")]
 	public class Activity1 : Activity
 	{
-		
+		private ChallengeInfo _chalInfo;
+		private byte[] _challengeSecret;
+		private IOConnectionInfo _ioConnectionInfo;
+		private IOConnectionInfo _ioConnectionInfoOut;
+		private const int RequestCodeChallengeYubikey = 98;
+
 		protected override void OnCreate(Bundle bundle)
 		{
 			base.OnCreate(bundle);
@@ -20,30 +30,87 @@ namespace ArtTestApp
 			// Set our view from the "main" layout resource
 			SetContentView(Resource.Layout.Main);
 
+			_ioConnectionInfo = new IOConnectionInfo() { Path = "/mnt/sdcard/keepass/keechallenge.xml" };
+			_ioConnectionInfoOut = new IOConnectionInfo() { Path = "/mnt/sdcard/keepass/keechallengeOut.xml" };
+						
+
 			// Get our button from the layout resource,
 			// and attach an event to it
 			FindViewById<Button>(Resource.Id.MyButton1).Click += (sender, args) =>
 				{
-					try
-					{
-						StartActivity(typeof (Activity2));
-					}
-					catch (Exception ex)
-					{
-						Toast.MakeText(this, ex.ToString(), ToastLength.Long).Show();
-					}
-					
+					Decrypt(_ioConnectionInfo);
+
 				};
 			FindViewById<Button>(Resource.Id.MyButton2).Click += (sender, args) =>
 				{
-					Intent i = new Intent("blabla");
-					StartActivityForResult(i, 1);
+					Decrypt(_ioConnectionInfoOut);
 				};
 				
 
 			FindViewById<Button>(Resource.Id.MyButton3).Click += (sender, args) => StartActivityForResult(typeof(PrefActivity), 1);
 			
 		}
+
+		private void Decrypt(IOConnectionInfo ioConnectionInfo)
+		{
+			try
+			{
+				//StartActivity(typeof (Activity2));
+				_chalInfo = ChallengeInfo.Load(ioConnectionInfo);
+				Intent chalIntent = new Intent("com.yubichallenge.NFCActivity.CHALLENGE");
+				chalIntent.PutExtra("challenge", _chalInfo.Challenge);
+				chalIntent.PutExtra("slot", 2);
+				chalIntent.AddFlags(ActivityFlags.SingleTop);
+				IList<ResolveInfo> activities = PackageManager.QueryIntentActivities(chalIntent, 0);
+				bool isIntentSafe = activities.Count > 0;
+				if (isIntentSafe)
+				{
+					StartActivityForResult(chalIntent, RequestCodeChallengeYubikey);
+				}
+
+			}
+			catch (Exception ex)
+			{
+				Toast.MakeText(this, ex.ToString(), ToastLength.Long).Show();
+			}
+		}
+
+		protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
+		{
+			base.OnActivityResult(requestCode, resultCode, data);
+
+			if (requestCode == RequestCodeChallengeYubikey && resultCode == Result.Ok)
+			{
+				try
+				{
+					byte[] challengeResponse = data.GetByteArrayExtra("response");
+					_challengeSecret = KeeChallengeProv.GetSecret(_chalInfo, challengeResponse);
+					Array.Clear(challengeResponse, 0, challengeResponse.Length);
+				}
+				catch (Exception e)
+				{
+					Kp2aLog.Log(e.ToString());
+					Toast.MakeText(this, "Error: " + e.Message, ToastLength.Long).Show();
+					return;
+				}
+
+				if (_challengeSecret != null)
+				{
+					Toast.MakeText(this, "OK!", ToastLength.Long).Show();
+					ChallengeInfo temp = KeeChallengeProv.Encrypt(_challengeSecret, _chalInfo.IV);
+					if (!temp.Save(_ioConnectionInfoOut))
+					{
+						Toast.MakeText(this, "error writing file", ToastLength.Long).Show();
+						return;
+					}
+				}
+				else
+				{
+					Toast.MakeText(this, "Not good :-(", ToastLength.Long).Show();
+					return;
+				}
+			}
+		}
 	}
 }
 

src/ArtTestApp/ArtTestApp.csproj

@@ -50,6 +50,9 @@
   <ItemGroup>
     <Compile Include="Activity1.cs" />
     <Compile Include="Activity2.cs" />
+    <Compile Include="App.cs" />
+    <Compile Include="ChallengeInfo.cs" />
+    <Compile Include="KeeChallenge.cs" />
     <Compile Include="PrefActivity.cs" />
     <Compile Include="Resources\Resource.Designer.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -73,6 +76,16 @@
   <ItemGroup>
     <AndroidResource Include="Resources\Xml\pref.xml" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\KeePassLib2Android\KeePassLib2Android.csproj">
+      <Project>{545b4a6b-8bba-4fbe-92fc-4ac060122a54}</Project>
+      <Name>KeePassLib2Android</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Kp2aBusinessLogic\Kp2aBusinessLogic.csproj">
+      <Project>{53a9cb7f-6553-4bc0-b56b-9410bb2e59aa}</Project>
+      <Name>Kp2aBusinessLogic</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. 
      Other similar extension points exist, see Microsoft.Common.targets.