HACK for TraceSwitch, since .Net core doesnt care.

Author: vplusplus

src/Org.Security.Cryptography.X509Extensions/MyTrace.cs

@@ -11,8 +11,10 @@ internal static class MyTrace
         // Trace switch name: Org.Security.Cryptography
         static readonly string MyName = typeof(MyTrace).Namespace;
 
-        // My trace switch.
-        static readonly TraceSwitch MyTraceSwitch = new TraceSwitch(MyName, MyName, $"{TraceLevel.Warning}");
+        // Making TraceSwitch update-able, because of the .Net core MESS (I meant, one of the .Net core messes)
+        // .Net core applications WILL NOT honor TraceSwitch in config files.
+        // Use X509Extensions.TraceLevel property
+        internal static TraceSwitch MyTraceSwitch { get; set; } = new TraceSwitch(MyName, MyName, $"{TraceLevel.Warning}");
 
         [Conditional("DEBUG")]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -60,6 +62,7 @@ internal static void Error(Exception err)
                 {
                     buffer.AppendLine(err.Message);
                     buffer.AppendLine(err.GetType().FullName);
+                    err = err.InnerException;
                 }
 
                 // Stack trac of the top level error.

src/Org.Security.Cryptography.X509Extensions/X509Extensions.cs

@@ -1,5 +1,6 @@
 
 using System;
+using System.Diagnostics;
 using System.IO;
 using System.Security.Cryptography;
 using System.Security.Cryptography.X509Certificates;
@@ -17,6 +18,18 @@ namespace Org.Security.Cryptography
     /// </summary>
     public static class X509Extensions
     {
+        //...............................................................................
+        #region About TripleDESCryptoServiceProvider, Microsoft says:
+        //...............................................................................
+        // A newer symmetric encryption algorithm, Advanced Encryption Standard (AES), is available. 
+        // Consider using the Aes class and its derived classes instead of the TripleDES class. 
+        // Use TripleDES only for compatibility with legacy applications and data.
+        // const string DefaultDataEncryptionAlgorithm = "3DES";
+        // const int DefaultDataEncryptionKeySize = 128;
+        // const int DefaultDataEncryptionBlockSize = 64;
+
+        #endregion
+
         const string DefaultDataEncryptionAlgorithm = "Aes";
         const int DefaultDataEncryptionKeySize = 256;
         const int DefaultDataEncryptionBlockSize = 128;
@@ -221,6 +234,18 @@ static Int32 ReadInt32(this Stream inputStream)
 
             return BitConverter.ToInt32(fourBytes, startIndex: 0);
         }
+
+        /// <summary>
+        /// Because, .Net core doesn't honor TraceSwitches from the config files.
+        /// Try TraceSwitch "Org.Security.Cryptography" in config files.
+        /// If it doesn't work, update me.
+        /// </summary>
+        public static TraceLevel TraceLevel
+        {
+            set {
+                MyTrace.MyTraceSwitch = new TraceSwitch("", "", value.ToString());
+            }
+        }
     }
 }
 

src/UnitTests/UnitTests.csproj

@@ -17,4 +17,19 @@
     <ProjectReference Include="..\Org.Security.Cryptography.X509Extensions\Org.Security.Cryptography.X509Extensions.csproj" />
   </ItemGroup>
 
+  <!-- 
+    <HACK>
+      The entry point of .Net core Test project is in testhost.dll 
+      App.config is expected as testhost.dll.config NOT as UniTests.exe|dll.config
+      Copy the (ProjectName).dll.config to testhost.dll.config
+      If below target is removed, entries in App.config will not take effect.
+    </HACK>
+    <Target Name="CopyAppConfig" AfterTargets="Build" DependsOnTargets="Build">
+      <CreateItem Include="$(OutputPath)$(AssemblyName).dll.config">
+        <Output TaskParameter="Include" ItemName="FilesToCopy" />
+      </CreateItem>
+      <Copy SourceFiles="@(FilesToCopy)" DestinationFiles="$(OutputPath)testhost.dll.config" />
+    </Target>
+  -->
+
 </Project>

src/UnitTests/X509Tests.cs

@@ -20,6 +20,13 @@ public class X509Tests
 
         const string CertThumbPrint = "2E3257EE8FC8A72DB3778DFB3F9EDC7D0A9D66C7";
 
+        [TestInitialize]
+        public void TestInitialize()
+        {
+            X509Extensions.TraceLevel = TraceLevel.Info;
+        }
+
+
         [TestMethod]
         public void FindCertificateTest()
         {