-/* Transport Security Layer (TLS)\r
- * Copyright (c) 2003 Carlos Guzmán Álvarez\r
- * \r
- * Permission is hereby granted, free of charge, to any person \r
- * obtaining a copy of this software and associated documentation \r
- * files (the "Software"), to deal in the Software without restriction, \r
- * including without limitation the rights to use, copy, modify, merge, \r
- * publish, distribute, sublicense, and/or sell copies of the Software, \r
- * and to permit persons to whom the Software is furnished to do so, \r
- * subject to the following conditions:\r
- * \r
- * The above copyright notice and this permission notice shall be included \r
- * in all copies or substantial portions of the Software.\r
- * \r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, \r
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES \r
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND \r
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT \r
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, \r
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, \r
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER \r
- * DEALINGS IN THE SOFTWARE.\r
- */\r
-\r
-using System;\r
-using System.Security.Cryptography;\r
-\r
-namespace Mono.Security.Protocol.Tls.Handshake.Client\r
-{\r
- internal class TlsClientFinished : TlsHandshakeMessage\r
- {\r
- #region CONSTRUCTORS\r
-\r
- public TlsClientFinished(TlsSession session) \r
- : base(session, TlsHandshakeType.Finished, TlsContentType.Handshake)\r
- {\r
- }\r
-\r
- #endregion\r
-\r
- #region METHODS\r
-\r
- public override void UpdateSession()\r
- {\r
- base.UpdateSession();\r
- this.Reset();\r
- }\r
-\r
- #endregion\r
-\r
- #region PROTECTED_METHODS\r
-\r
- protected override void Fill()\r
- {\r
- // Get hashes of handshake messages\r
- TlsStream hashes = new TlsStream();\r
-\r
- hashes.Write(Session.Context.HandshakeHashes.GetMD5Hash());\r
- hashes.Write(Session.Context.HandshakeHashes.GetSHAHash());\r
-\r
- // Write message contents\r
- Write(Session.Context.PRF(Session.Context.MasterSecret, "client finished", hashes.ToArray(), 12));\r
-\r
- // Reset data\r
- hashes.Reset();\r
- Session.Context.HandshakeHashes.Reset();\r
- }\r
-\r
- #endregion\r
- }\r
-}\r
+// Transport Security Layer (TLS)
+// Copyright (c) 2003-2004 Carlos Guzman Alvarez
+// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Security.Cryptography;
+
+using Mono.Security.Cryptography;
+
+namespace Mono.Security.Protocol.Tls.Handshake.Client
+{
+ internal class TlsClientFinished : HandshakeMessage
+ {
+ #region Constructors
+
+ public TlsClientFinished(Context context)
+ : base(context, HandshakeType.Finished)
+ {
+ }
+
+ #endregion
+
+ #region Methods
+
+ public override void Update()
+ {
+ base.Update();
+ this.Reset();
+ }
+
+ #endregion
+
+ #region Protected Methods
+
+ static private byte[] Ssl3Marker = new byte [4] { 0x43, 0x4c, 0x4e, 0x54 };
+
+ protected override void ProcessAsSsl3()
+ {
+ // Compute handshake messages hashes
+ HashAlgorithm hash = new SslHandshakeHash(this.Context.MasterSecret);
+
+ byte[] data = this.Context.HandshakeMessages.ToArray ();
+ hash.TransformBlock (data, 0, data.Length, data, 0);
+ hash.TransformBlock (Ssl3Marker, 0, Ssl3Marker.Length, Ssl3Marker, 0);
+ // hack to avoid memory allocation
+ hash.TransformFinalBlock (CipherSuite.EmptyArray, 0, 0);
+
+ this.Write (hash.Hash);
+ }
+
+ protected override void ProcessAsTls1()
+ {
+ // Compute handshake messages hash
+ HashAlgorithm hash = new MD5SHA1();
+
+ // note: we could call HashAlgorithm.ComputeHash(Stream) but that would allocate (on Mono)
+ // a 4096 bytes buffer to process the hash - which is bigger than HandshakeMessages
+ byte[] data = this.Context.HandshakeMessages.ToArray ();
+ byte[] digest = hash.ComputeHash (data, 0, data.Length);
+
+ // Write message
+ Write(this.Context.Write.Cipher.PRF(this.Context.MasterSecret, "client finished", digest, 12));
+ }
+
+ #endregion
+ }
+}
projects / mono.git / blobdiff