Recreate the shell of the AuthenticationService to squelch Windows build

error. WIll be filled in as soon as I figure out the crypto stuff.

OpenSim/Services/AuthenticationService/AuthenticationService.cs

@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using OpenMetaverse;
+
+namespace OpenSim.Services.AuthenticationService
+{
+    // Generic Authentication service used for identifying
+    // and authenticating principals.
+    // Principals may be clients acting on users' behalf,
+    // or any other components that need 
+    // verifiable identification.
+    //
+    public class AuthenticationService
+    {
+        public byte[] GetPublicKey()
+        {
+            return new byte[0];
+        }
+
+        public string AuthenticatePassword(UUID principalID, string password)
+        {
+            return String.Empty;
+        }
+
+        public byte[] AuthenticatePasswordEncrypted(byte[] cyphertext, byte[] key)
+        {
+            return new byte[0];
+        }
+
+        public string AuthenticateWebkey(UUID principalID, string webkey)
+        {
+            return String.Empty;
+        }
+
+        public byte[] AuthenticateWebkeyEncrypted(byte[] cyphertext, byte[] key)
+        {
+            return new byte[0];
+        }
+
+        public bool Verify(UUID principalID, string token)
+        {
+            return false;
+        }
+
+        public bool VerifyEncrypted(byte[] cyphertext, byte[] key)
+        {
+            return false;
+        }
+
+        public bool Release(UUID principalID, string token)
+        {
+            return false;
+        }
+
+        public bool ReleaseEncrypted(byte[] cyphertext, byte[] key)
+        {
+            return false;
+        }
+    }
+}