1 files changed, 22 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Core/Messaging/ITamperResistantProtocolMessage.cs b/src/DotNetOpenAuth.Core/Messaging/ITamperResistantProtocolMessage.cs
new file mode 100644
index 0000000..0da6303
--- /dev/null
+++ b/src/DotNetOpenAuth.Core/Messaging/ITamperResistantProtocolMessage.cs
@@ -0,0 +1,22 @@
+//-----------------------------------------------------------------------
+// <copyright file="ITamperResistantProtocolMessage.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Messaging {
+	/// <summary>
+	/// The contract a message that is signed must implement.
+	/// </summary>
+	/// <remarks>
+	/// This type might have appeared in the DotNetOpenAuth.Messaging.Bindings namespace since
+	/// it is only used by types in that namespace, but all those types are internal and this
+	/// is the only one that was public.
+	/// </remarks>
+	public interface ITamperResistantProtocolMessage : IProtocolMessage {
+		/// <summary>
+		/// Gets or sets the message signature.
+		/// </summary>
+		string Signature { get; set; }
+	}
+}