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diff --git a/qpid/dotnet/Qpid.Sasl/Sasl.cs b/qpid/dotnet/Qpid.Sasl/Sasl.cs
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+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+using System;
+using System.Collections;
+using System.Configuration;
+using System.Text;
+
+using Apache.Qpid.Sasl.Configuration;
+
+namespace Apache.Qpid.Sasl
+{
+   /// <summary>
+   /// Static class used to access the SASL functionality. 
+   /// The core SASL mechanism is described in RFC 2222.
+   /// </summary>
+   /// <remarks>
+   /// Only client side mechanisms are implemented.
+   /// <para>
+   /// New client side factories can be added programatically using the 
+   /// RegisterClientFactory method, or through the application 
+   /// configuration file, like this:
+   /// </para>
+   /// <example><![CDATA[
+   /// <configuration>
+   ///   <configSections>
+   ///      <section name="qpid.sasl" type="Apache.Qpid.Sasl.Configuration.SaslConfigurationSectionHandler, Apache.Qpid.Sasl"/>
+   ///   </configSections>
+   ///
+   ///   <qpid.sasl>
+   ///      <clientFactories>
+   ///         <add type="Apache.Qpid.Sasl.Tests.TestClientFactory, Apache.Qpid.Sasl.Tests"/>
+   ///      </clientFactories>
+   ///   </qpid.sasl>
+   /// </configuration>
+   /// ]]></example>
+   /// </remarks>
+   public sealed class Sasl
+   {
+      private static IList _clientFactories;
+      
+
+      static Sasl()
+      {
+         SaslConfiguration config = SaslConfiguration.GetConfiguration();
+         _clientFactories = config.ClientFactories;
+      }
+      private Sasl()
+      {
+      }
+
+      public static ISaslClient CreateClient(
+         string[] mechanisms, string authorizationId,
+         string protocol, string serverName,
+         IDictionary props, ISaslCallbackHandler handler
+         )
+      {
+         ISaslClientFactory factory = FindFactory(mechanisms, props);
+         if ( factory == null )
+            return null;
+
+         return factory.CreateClient (
+            mechanisms, authorizationId, 
+            protocol, serverName, props, handler
+            );
+      }
+
+      public static void RegisterClientFactory(ISaslClientFactory factory)
+      {
+         lock ( _clientFactories )
+         {
+            _clientFactories.Add(factory);
+         }
+      }
+
+      private static ISaslClientFactory FindFactory(string[] mechanisms, IDictionary props)
+      {
+         lock ( _clientFactories )
+         {
+            foreach ( ISaslClientFactory factory in _clientFactories )
+            {
+               string[] mechs = factory.GetSupportedMechanisms(props);
+               foreach ( string m1 in mechs )
+               {
+                  foreach (string m2 in mechanisms )
+                  {
+                     if ( m1 == m2 )
+                        return factory;
+                  }
+               }
+            }
+            return null;
+         }
+      }
+   } // class Sasl
+
+} // namespace Apache.Qpid.Sasl.Mechanisms