87 lines
2.7 KiB
C#
87 lines
2.7 KiB
C#
// Transport Security Layer (TLS)
|
|
// Copyright (c) 2003-2004 Carlos Guzman Alvarez
|
|
|
|
//
|
|
// 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.X509Certificates;
|
|
|
|
using System.Security.Cryptography;
|
|
using Mono.Security.Cryptography;
|
|
|
|
namespace Mono.Security.Protocol.Tls.Handshake.Server
|
|
{
|
|
internal class TlsClientCertificateVerify : HandshakeMessage
|
|
{
|
|
#region Constructors
|
|
|
|
public TlsClientCertificateVerify(Context context, byte[] buffer)
|
|
: base(context, HandshakeType.CertificateVerify, buffer)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Protected Methods
|
|
|
|
protected override void ProcessAsSsl3()
|
|
{
|
|
ServerContext context = (ServerContext)this.Context;
|
|
int length = this.ReadInt16 ();
|
|
byte[] signature = this.ReadBytes (length);
|
|
|
|
// Verify signature
|
|
SslHandshakeHash hash = new SslHandshakeHash(context.MasterSecret);
|
|
hash.TransformFinalBlock(
|
|
context.HandshakeMessages.ToArray(),
|
|
0,
|
|
(int)context.HandshakeMessages.Length);
|
|
|
|
if (!hash.VerifySignature(context.ClientSettings.CertificateRSA, signature))
|
|
{
|
|
throw new TlsException(AlertDescription.HandshakeFailiure, "Handshake Failure.");
|
|
}
|
|
}
|
|
|
|
protected override void ProcessAsTls1()
|
|
{
|
|
ServerContext context = (ServerContext)this.Context;
|
|
int length = this.ReadInt16 ();
|
|
byte[] signature = this.ReadBytes (length);
|
|
|
|
// Verify signature
|
|
MD5SHA1 hash = new MD5SHA1();
|
|
hash.ComputeHash(
|
|
context.HandshakeMessages.ToArray(),
|
|
0,
|
|
(int)context.HandshakeMessages.Length);
|
|
|
|
if (!hash.VerifySignature(context.ClientSettings.CertificateRSA, signature))
|
|
{
|
|
throw new TlsException (AlertDescription.HandshakeFailiure, "Handshake Failure.");
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|