diff --git a/MBS.Framework/MBS.Framework.csproj b/MBS.Framework/MBS.Framework.csproj
index 4cb50ff..da6beef 100644
--- a/MBS.Framework/MBS.Framework.csproj
+++ b/MBS.Framework/MBS.Framework.csproj
@@ -11,6 +11,7 @@
     <SchemaVersion>2.0</SchemaVersion>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\MichaelBecker.snk</AssemblyOriginatorKeyFile>
+    <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -48,6 +49,7 @@
     <Compile Include="Drawing\Vector.cs" />
     <Compile Include="ArrayExtensions.cs" />
     <Compile Include="Reflection.cs" />
+    <Compile Include="Security\Cryptography\ExtensionMethods.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>
diff --git a/MBS.Framework/Security/Cryptography/ExtensionMethods.cs b/MBS.Framework/Security/Cryptography/ExtensionMethods.cs
new file mode 100644
index 0000000..a1c4593
--- /dev/null
+++ b/MBS.Framework/Security/Cryptography/ExtensionMethods.cs
@@ -0,0 +1,27 @@
+using System.Security.Cryptography;
+
+namespace MBS.Framework.Security.Cryptography
+{
+	public static class ExtensionMethods
+	{
+		/// <summary>
+		/// Computes the hash of the specified value in the given encoding.
+		/// </summary>
+		/// <returns>The hash.</returns>
+		/// <param name="value">Value.</param>
+		public static string ComputeHash(this HashAlgorithm ha, string value, System.Text.Encoding encoding = null)
+		{
+			if (encoding == null) encoding = System.Text.Encoding.UTF8;
+
+			byte[] buffer = encoding.GetBytes(value);
+
+			System.Text.StringBuilder sb = new System.Text.StringBuilder();
+			byte[] output = ha.ComputeHash(buffer);
+			for (int i = 0; i < output.Length; i++)
+			{
+				sb.Append(output[i].ToString("x").PadLeft(2, '0'));
+			}
+			return sb.ToString();
+		}
+	}
+}