protected override void ProcessHandshakeMessage(TlsStream handMsg)
{
HandshakeType handshakeType = (HandshakeType)handMsg.ReadByte();
HandshakeMessage message = null;
// Read message length
int length = handMsg.ReadInt24();
// Read message data
byte[] data = new byte[length];
handMsg.Read(data, 0, length);
// Create and process the server message
message = this.createClientHandshakeMessage(handshakeType, data);
message.Process();
// Update the last handshake message
this.Context.LastHandshakeMsg = handshakeType;
// Update session
if (message != null)
{
message.Update();
this.Context.HandshakeMessages.WriteByte((byte)handshakeType);
this.Context.HandshakeMessages.WriteInt24(length);
this.Context.HandshakeMessages.Write(data, 0, data.Length);
}
}
private void ProcessCipherSpecV2Buffer(SecurityProtocolType protocol, byte[] buffer)
{
TlsStream codes = new TlsStream(buffer);
string prefix = (protocol == SecurityProtocolType.Ssl3) ? "SSL_" : "TLS_";
while (codes.Position < codes.Length)
{
byte check = codes.ReadByte();
if (check == 0)
{
// SSL/TLS cipher spec
short code = codes.ReadInt16();
int index = this.Context.SupportedCiphers.IndexOf(code);
if (index != -1)
{
this.Context.Negotiating.Cipher = this.Context.SupportedCiphers[index];
break;
}
}
else
{
byte[] tmp = new byte[2];
codes.Read(tmp, 0, tmp.Length);
int tmpCode = ((check & 0xff) << 16) | ((tmp[0] & 0xff) << 8) | (tmp[1] & 0xff);
CipherSuite cipher = this.MapV2CipherCode(prefix, tmpCode);
if (cipher != null)
{
this.Context.Negotiating.Cipher = cipher;
break;
}
}
}
if (this.Context.Negotiating == null)
{
throw new TlsException(AlertDescription.InsuficientSecurity, "Insuficient Security");
}
}
protected override void ProcessHandshakeMessage(TlsStream handMsg)
{
HandshakeType handshakeType = (HandshakeType)handMsg.ReadByte();
HandshakeMessage message = null;
DebugHelper.WriteLine(">>>> Processing Handshake record ({0})", handshakeType);
// Read message length
int length = handMsg.ReadInt24();
// Read message data
byte[] data = null;
if (length > 0)
{
data = new byte[length];
handMsg.Read(data, 0, length);
}
// Create and process the server message
message = this.createServerHandshakeMessage(handshakeType, data);
if (message != null)
{
message.Process();
}
// Update the last handshake message
this.Context.LastHandshakeMsg = handshakeType;
// Update session
if (message != null)
{
message.Update();
this.Context.HandshakeMessages.WriteByte((byte)handshakeType);
this.Context.HandshakeMessages.WriteInt24(length);
if (length > 0)
{
this.Context.HandshakeMessages.Write(data, 0, data.Length);
}
}
}
