- .NET: Added TLS.TLSConfiguration class to wrap native TLSConfiguration

- .NET: Added TLS support for IedConnection
8 years ago · d995c05fc0
parent bd92dc299e
commit d995c05fc0
24 changed files with 260 additions and 80 deletions
--- a/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
+++ b/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
@ -27,6 +27,7 @@ using System.Collections.Generic;
 using System.Collections;

 using IEC61850.Common;
+using IEC61850.TLS;

 /// <summary>
 /// IEC 61850 API for the libiec61850 .NET wrapper library
@ -276,6 +277,9 @@ namespace IEC61850
 			[DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
 			static extern IntPtr IedConnection_create ();

+			[DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
+			static extern IntPtr IedConnection_createWithTlsSupport (IntPtr tlsConfig);
+
            [DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
            static extern void IedConnection_destroy (IntPtr self);

@ -405,11 +409,23 @@ namespace IEC61850
 			private InternalConnectionClosedHandler connectionClosedHandler;
 			private ConnectionClosedHandler userProvidedHandler = null;

+			/// <summary>
+			/// Initializes a new instance of the <see cref="IEC61850.Client.IedConnection"/> class.
+			/// </summary>
 			public IedConnection ()
 			{
 				connection = IedConnection_create ();
 			}

+			/// <summary>
+			/// Initializes a new instance of the <see cref="IEC61850.Client.IedConnection"/> class.
+			/// </summary>
+			/// <param name="tlsConfig">TLS configuration to use</param>
+			public IedConnection (TLSConfiguration tlsConfig)
+			{
+				connection = IedConnection_createWithTlsSupport (tlsConfig.GetNativeInstance ());
+			}
+
 			/// <summary>
 			/// Releases all resource used by the <see cref="IEC61850.Client.IedConnection"/> object.
 			/// </summary>
@ -504,7 +520,7 @@ namespace IEC61850
 			/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error.</exception>
 			public void Connect (string hostname)
 			{
-				Connect (hostname, 102);
+				Connect (hostname, -1);
 			}

 			/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
--- a/dotnet/IEC61850forCSharp/IEC61850forCSharp.csproj
+++ b/dotnet/IEC61850forCSharp/IEC61850forCSharp.csproj
@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{C35D624E-5506-4560-8074-1728F1FA1A4D}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <RootNamespace>iec61850dotnet</RootNamespace>
-    <AssemblyName>iec61850dotnet</AssemblyName>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <ConsolePause>false</ConsolePause>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>none</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <ConsolePause>false</ConsolePause>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="AssemblyInfo.cs" />
-    <Compile Include="MmsValue.cs" />
-    <Compile Include="DataSet.cs" />
-    <Compile Include="ReportControlBlock.cs" />
-    <Compile Include="IEC61850ClientAPI.cs" />
-    <Compile Include="Reporting.cs" />
-    <Compile Include="Control.cs" />
-    <Compile Include="IsoConnectionParameters.cs" />
-    <Compile Include="MmsVariableSpecification.cs" />
-    <Compile Include="IEC61850ServerAPI.cs" />
-    <Compile Include="IEC61850CommonAPI.cs" />
-  </ItemGroup>
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-</Project>
--- a/dotnet/authenticate/authenticate.csproj
+++ b/dotnet/authenticate/authenticate.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/control/control.csproj
+++ b/dotnet/control/control.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/datasets/datasets.csproj
+++ b/dotnet/datasets/datasets.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/dotnet.sln
+++ b/dotnet/dotnet.sln
@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2012
 VisualStudioVersion = 12.0.40629.0
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IEC61850forCSharp", "IEC61850forCSharp\IEC61850forCSharp.csproj", "{C35D624E-5506-4560-8074-1728F1FA1A4D}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IEC61850.NET", "IEC61850forCSharp\IEC61850.NET.csproj", "{C35D624E-5506-4560-8074-1728F1FA1A4D}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "example1", "example1\example1.csproj", "{C616A6DF-831E-443C-9310-3F343A6E3D1A}"
 EndProject
@ -36,6 +36,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{0D2F61
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "server1", "server1\server1.csproj", "{9286D2AB-96ED-4631-AB3C-ED20FF5D6E6C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "tls_client_example", "tls_client_example\tls_client_example.csproj", "{6734BF52-2D0D-476B-8EA2-C9C2D1D69B03}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@ -62,6 +64,10 @@ Global
 		{5E5D0FE0-DF44-48D8-A10E-1FB07D34DEA2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5E5D0FE0-DF44-48D8-A10E-1FB07D34DEA2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5E5D0FE0-DF44-48D8-A10E-1FB07D34DEA2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6734BF52-2D0D-476B-8EA2-C9C2D1D69B03}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6734BF52-2D0D-476B-8EA2-C9C2D1D69B03}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6734BF52-2D0D-476B-8EA2-C9C2D1D69B03}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6734BF52-2D0D-476B-8EA2-C9C2D1D69B03}.Release|Any CPU.Build.0 = Release|Any CPU
 		{71485F99-2976-45E6-B73D-4946E594C15C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{71485F99-2976-45E6-B73D-4946E594C15C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{71485F99-2976-45E6-B73D-4946E594C15C}.Release|Any CPU.ActiveCfg = Release|Any CPU
--- a/dotnet/example1/Main.cs
+++ b/dotnet/example1/Main.cs
@ -26,7 +26,6 @@ namespace example1

            Console.WriteLine("Connect to " + hostname);

-
            try
            {
                con.Connect(hostname, port);
--- a/dotnet/example1/example1.csproj
+++ b/dotnet/example1/example1.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/example2/example2.csproj
+++ b/dotnet/example2/example2.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/example3/example3.csproj
+++ b/dotnet/example3/example3.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/files/files.csproj
+++ b/dotnet/files/files.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/log_client/log_client.csproj
+++ b/dotnet/log_client/log_client.csproj
@ -36,9 +36,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/model_browsing/model_browsing.csproj
+++ b/dotnet/model_browsing/model_browsing.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/report_new_dataset/report_new_dataset.csproj
+++ b/dotnet/report_new_dataset/report_new_dataset.csproj
@ -35,9 +35,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/reporting/reporting.csproj
+++ b/dotnet/reporting/reporting.csproj
@ -51,9 +51,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
  <ItemGroup>
--- a/dotnet/server1/server1.csproj
+++ b/dotnet/server1/server1.csproj
@ -36,9 +36,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
 </Project>
--- a/dotnet/tests/tests.csproj
+++ b/dotnet/tests/tests.csproj
@ -31,9 +31,9 @@
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <ItemGroup>
-    <ProjectReference Include="..\IEC61850forCSharp\IEC61850forCSharp.csproj">
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
-      <Name>IEC61850forCSharp</Name>
+      <Name>IEC61850.NET</Name>
    </ProjectReference>
  </ItemGroup>
  <ItemGroup>
--- a/dotnet/tls_client_example/Program.cs
+++ b/dotnet/tls_client_example/Program.cs
@ -0,0 +1,101 @@
+using System;
+using IEC61850.Client;
+using IEC61850.Common;
+using IEC61850.TLS;
+using System.Threading;
+using System.Collections.Generic;
+using System.Security.Cryptography.X509Certificates;
+
+namespace tls_client_example
+{
+	class MainClass
+	{
+		public static void Main (string[] args)
+		{
+			TLSConfiguration tlsConfig = new TLSConfiguration ();
+
+			tlsConfig.SetOwnCertificate (new X509Certificate2 ("client1.cer"));
+
+			tlsConfig.SetOwnKey ("client1-key.pem", null);
+
+			// Add a CA certificate to check the certificate provided by the server - not required when ChainValidation == false
+			tlsConfig.AddCACertificate (new X509Certificate2 ("root.cer"));
+
+			// Check if the certificate is signed by a provided CA
+			tlsConfig.ChainValidation = true;
+
+			// Check that the shown server certificate is in the list of allowed certificates
+			tlsConfig.AllowOnlyKnownCertificates = false;
+
+			IedConnection con = new IedConnection (tlsConfig);
+
+			string hostname;
+
+			if (args.Length > 0)
+				hostname = args[0];
+			else
+				hostname = "127.0.0.1";
+
+			int port = -1;
+
+			if (args.Length > 1)
+				port = Int32.Parse(args [1]);
+
+			Console.WriteLine("Connect to " + hostname);
+
+			try
+			{
+				con.Connect(hostname, port);
+
+				List<string> serverDirectory = con.GetServerDirectory(false);
+
+				foreach (string entry in serverDirectory)
+				{
+					Console.WriteLine("LD: " + entry);
+				}
+
+				List<string> lnDirectory = con.GetLogicalNodeDirectory("simpleIOGenericIO/LLN0", ACSIClass.ACSI_CLASS_DATA_SET);
+
+				foreach (string entry in lnDirectory)
+				{
+					Console.WriteLine("Dataset: " + entry);
+				}
+
+				string vendor = con.ReadStringValue ("simpleIOGenericIO/LLN0.NamPlt.vendor", FunctionalConstraint.DC);
+				Console.WriteLine ("Vendor: " + vendor);
+
+				/* read FCDO */
+				MmsValue value = con.ReadValue("simpleIOGenericIO/GGIO1.AnIn1", FunctionalConstraint.MX);
+
+				if (value.GetType() == MmsType.MMS_STRUCTURE)
+				{
+					Console.WriteLine("Value is of complex type");
+
+					for (int i = 0; i < value.Size(); i++)
+					{
+						Console.WriteLine("  element: " + value.GetElement(i).GetType());
+						if (value.GetElement(i).GetType() == MmsType.MMS_UTC_TIME)
+						{
+							Console.WriteLine("   -> " + value.GetElement(i).GetUtcTimeAsDateTimeOffset());
+						}
+					}
+				}
+
+				DataSet dataSet = con.ReadDataSetValues("simpleIOGenericIO/LLN0.Events", null);
+
+				Console.WriteLine("Read data set " + dataSet.GetReference());
+
+				con.Abort();
+			}
+			catch (IedConnectionException e)
+			{
+				Console.WriteLine(e.Message);
+			}
+
+			System.Threading.Thread.Sleep(2000);
+
+			// release all resources - do NOT use the object after this call!!
+			con.Dispose ();
+		}
+	}
+}
--- a/dotnet/tls_client_example/Properties/AssemblyInfo.cs
+++ b/dotnet/tls_client_example/Properties/AssemblyInfo.cs
@ -0,0 +1,27 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+// Information about this assembly is defined by the following attributes.
+// Change them to the values specific to your project.
+
+[assembly: AssemblyTitle ("tls_client_example")]
+[assembly: AssemblyDescription ("")]
+[assembly: AssemblyConfiguration ("")]
+[assembly: AssemblyCompany ("")]
+[assembly: AssemblyProduct ("")]
+[assembly: AssemblyCopyright ("mzillgit")]
+[assembly: AssemblyTrademark ("")]
+[assembly: AssemblyCulture ("")]
+
+// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
+// The form "{Major}.{Minor}.*" will automatically update the build and revision,
+// and "{Major}.{Minor}.{Build}.*" will update just the revision.
+
+[assembly: AssemblyVersion ("1.0.*")]
+
+// The following attributes are used to specify the signing key for the assembly,
+// if desired. See the Mono documentation for more information about signing.
+
+//[assembly: AssemblyDelaySign(false)]
+//[assembly: AssemblyKeyFile("")]
+
--- a/dotnet/tls_client_example/client1-key.pem
+++ b/dotnet/tls_client_example/client1-key.pem
@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+Ljt+GaXa3ur3P/6uW5KMbtGGW6MEgDwLMLvpqjsCgYA5pnfyfYWOTWEbCDa1VM/n
+zWc/cP6nKELHR5vF/fe+9fFxRm4zBwCElDpGZYyaNkJ75bEhG3g5Irll2phs/rcf
+TJgZVvm4GKljFHhCbFByNvVQ1Ye1pT3oSugj4dDOhgp4Elxy61Rh/KeGWxez4Heg
+FmhBqmVV3U2xfncUjUrYhwKBgQCKtPM3gpOIHSA/Q31tKxv9C7JiQDAuoIU/+0YJ
+2X2G0VhhhtZMgErBP8bRquBRu6i8DMpN6lZ/LQ6qeiEExT8sHawF7lVA2GhpTHwf
+btfZDeXYKOuIF/5F7ttt2/7QL8LRD+FLFGrd6q1+KYpRqfSDaS/ofV+YZys+98yg
+0YpTqQKBgQCWJpV2ySgXcKJzAUh14VNpLTRzJOMSpsU576nwz0TLUREVjiH6rvKr
+gxllDEe1bVNMEekaZ+dOqiJX+4aTnEbIrEXki5Dvz0vq8biImW9RRdPEHgYVTv/d
+qBOPHiIq2JiY6abD9XNPM3VQ/z8em6/4mkC8COCJRd2mA89FOYRxOQ==
+-----END RSA PRIVATE KEY-----
--- a/dotnet/tls_client_example/client1.cer
+++ b/dotnet/tls_client_example/client1.cer
--- a/dotnet/tls_client_example/root.cer
+++ b/dotnet/tls_client_example/root.cer
--- a/dotnet/tls_client_example/tls_client_example.csproj
+++ b/dotnet/tls_client_example/tls_client_example.csproj
@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{6734BF52-2D0D-476B-8EA2-C9C2D1D69B03}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>tls_client_example</RootNamespace>
+    <AssemblyName>tls_client_example</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Externalconsole>true</Externalconsole>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>full</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Externalconsole>true</Externalconsole>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <ItemGroup>
+    <ProjectReference Include="..\IEC61850forCSharp\IEC61850.NET.csproj">
+      <Project>{C35D624E-5506-4560-8074-1728F1FA1A4D}</Project>
+      <Name>IEC61850.NET</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="client1.cer">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="client1-key.pem">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="root.cer">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+</Project>
--- a/src/iec61850/client/ied_connection.c
+++ b/src/iec61850/client/ied_connection.c
@ -504,7 +504,6 @@ IedConnection_create()

 IedConnection
 IedConnection_createWithTlsSupport(TLSConfiguration tlsConfig)
-
 {
    return createNewConnectionObject(tlsConfig);
 }