protected override void ProcessAsTls1()
{
base.Write(base.Context.Protocol);
TlsStream tlsStream = new TlsStream();
tlsStream.Write(base.Context.GetUnixTime());
tlsStream.Write(base.Context.GetSecureRandomBytes(28));
this.random = tlsStream.ToArray();
tlsStream.Reset();
base.Write(this.random);
base.Context.SessionId = ClientSessionCache.FromHost(base.Context.ClientSettings.TargetHost);
if (base.Context.SessionId != null)
{
base.Write((byte)base.Context.SessionId.Length);
if (base.Context.SessionId.Length > 0)
{
base.Write(base.Context.SessionId);
}
}
else
{
base.Write(0);
}
base.Write((short)(base.Context.SupportedCiphers.Count * 2));
for (int i = 0; i < base.Context.SupportedCiphers.Count; i++)
{
base.Write(base.Context.SupportedCiphers[i].Code);
}
base.Write(1);
base.Write((byte)base.Context.CompressionMethod);
}
protected override void ProcessAsTls1()
{
processProtocol(ReadInt16());
random = ReadBytes(32);
int num = ReadByte();
if (num > 0)
{
sessionId = ReadBytes(num);
ClientSessionCache.Add(base.Context.ClientSettings.TargetHost, sessionId);
base.Context.AbbreviatedHandshake = HandshakeMessage.Compare(sessionId, base.Context.SessionId);
}
else
{
base.Context.AbbreviatedHandshake = false;
}
short code = ReadInt16();
if (base.Context.SupportedCiphers.IndexOf(code) == -1)
{
throw new TlsException(AlertDescription.InsuficientSecurity, "Invalid cipher suite received from server");
}
cipherSuite = base.Context.SupportedCiphers[code];
compressionMethod = (SecurityCompressionType)ReadByte();
}
protected override void ProcessAsTls1()
{
this.processProtocol(this.ReadInt16());
this.random = this.ReadBytes(32);
int count = (int)this.ReadByte();
if (count > 0)
{
this.sessionId = this.ReadBytes(count);
ClientSessionCache.Add(this.Context.ClientSettings.TargetHost, this.sessionId);
this.Context.AbbreviatedHandshake = HandshakeMessage.Compare(this.sessionId, this.Context.SessionId);
}
else
{
this.Context.AbbreviatedHandshake = false;
}
short code = this.ReadInt16();
if (this.Context.SupportedCiphers.IndexOf(code) == -1)
{
throw new TlsException(AlertDescription.InsuficientSecurity, "Invalid cipher suite received from server");
}
this.cipherSuite = this.Context.SupportedCiphers[code];
this.compressionMethod = (SecurityCompressionType)this.ReadByte();
}
protected override void ProcessAsTls1()
{
// Read protocol version
this.processProtocol(this.ReadInt16());
// Read random - Unix time + Random bytes
this.random = this.ReadBytes(32);
// Read Session id
int length = (int)ReadByte();
if (length > 0)
{
this.sessionId = this.ReadBytes(length);
ClientSessionCache.Add(this.Context.ClientSettings.TargetHost, this.sessionId);
this.Context.AbbreviatedHandshake = Compare(this.sessionId, this.Context.SessionId);
}
else
{
this.Context.AbbreviatedHandshake = false;
}
// Read cipher suite
short cipherCode = this.ReadInt16();
if (this.Context.SupportedCiphers.IndexOf(cipherCode) == -1)
{
// The server has sent an invalid ciphersuite
throw new TlsException(AlertDescription.InsuficientSecurity, "Invalid cipher suite received from server");
}
this.cipherSuite = this.Context.SupportedCiphers[cipherCode];
// Read compression methods ( always 0 )
this.compressionMethod = (SecurityCompressionType)this.ReadByte();
}
protected override void ProcessAsTls1()
{
// Client Version
this.Write(this.Context.Protocol);
// Random bytes - Unix time + Radom bytes [28]
TlsStream clientRandom = new TlsStream();
clientRandom.Write(this.Context.GetUnixTime());
clientRandom.Write(this.Context.GetSecureRandomBytes(28));
this.random = clientRandom.ToArray();
clientRandom.Reset();
this.Write(this.random);
// Session id
// Check if we have a cache session we could reuse
this.Context.SessionId = ClientSessionCache.FromHost(this.Context.ClientSettings.TargetHost);
if (this.Context.SessionId != null)
{
this.Write((byte)this.Context.SessionId.Length);
if (this.Context.SessionId.Length > 0)
{
this.Write(this.Context.SessionId);
}
}
else
{
this.Write((byte)0);
}
// Write length of Cipher suites
this.Write((short)(this.Context.SupportedCiphers.Count * 2));
// Write Supported Cipher suites
for (int i = 0; i < this.Context.SupportedCiphers.Count; i++)
{
this.Write((short)this.Context.SupportedCiphers[i].Code);
}
// Compression methods length
this.Write((byte)1);
// Compression methods ( 0 = none )
this.Write((byte)this.Context.CompressionMethod);
// http://www.ietf.org/rfc/rfc3546.txt
TlsStream extensions = new TlsStream();
byte[] server_name = System.Text.Encoding.UTF8.GetBytes(Context.ClientSettings.TargetHost);
extensions.Write((short)0x0000); // ExtensionType: server_name (0)
extensions.Write((short)(server_name.Length + 5)); // ServerNameList (length)
extensions.Write((short)(server_name.Length + 3)); // ServerName (length)
extensions.Write((byte)0x00); // NameType: host_name (0)
extensions.Write((short)server_name.Length); // HostName (length)
extensions.Write(server_name); // HostName (UTF8)
this.Write((short)extensions.Length);
this.Write(extensions.ToArray());
}
protected override void ProcessAsTls1()
{
// Client Version
this.Write(this.Context.Protocol);
// Random bytes - Unix time + Radom bytes [28]
TlsStream clientRandom = new TlsStream();
clientRandom.Write(this.Context.GetUnixTime());
clientRandom.Write(this.Context.GetSecureRandomBytes(28));
this.random = clientRandom.ToArray();
clientRandom.Reset();
this.Write(this.random);
// Session id
// Check if we have a cache session we could reuse
this.Context.SessionId = ClientSessionCache.FromHost(this.Context.ClientSettings.TargetHost);
if (this.Context.SessionId != null)
{
this.Write((byte)this.Context.SessionId.Length);
if (this.Context.SessionId.Length > 0)
{
this.Write(this.Context.SessionId);
}
}
else
{
this.Write((byte)0);
}
// Write length of Cipher suites
this.Write((short)(this.Context.SupportedCiphers.Count * 2));
// Write Supported Cipher suites
for (int i = 0; i < this.Context.SupportedCiphers.Count; i++)
{
this.Write((short)this.Context.SupportedCiphers[i].Code);
}
// Compression methods length
this.Write((byte)1);
// Compression methods ( 0 = none )
this.Write((byte)this.Context.CompressionMethod);
}
protected override void ProcessAsSsl3()
{
// Client Version
Write(Context.Protocol);
// Random bytes - Unix time + Radom bytes [28]
var clientRandom = new TlsStream();
clientRandom.Write(Context.GetUnixTime());
clientRandom.Write(Context.GetSecureRandomBytes(28));
random = clientRandom.ToArray();
clientRandom.Reset();
Write(random);
// Session id
// Check if we have a cache session we could reuse
Context.SessionId = ClientSessionCache.FromHost(Context.ClientSettings.TargetHost);
if (Context.SessionId != null)
{
Write((byte)Context.SessionId.Length);
if (Context.SessionId.Length > 0)
{
Write(Context.SessionId);
}
}
else
{
Write((byte)0);
}
// Write length of Cipher suites
Write((short)(Context.SupportedCiphers.Count * 2));
// Write Supported Cipher suites
for (var i = 0; i < Context.SupportedCiphers.Count; i++)
{
Write(((IList <CipherSuite>)Context.SupportedCiphers)[i].Code);
}
// Compression methods length
Write((byte)1);
// Compression methods ( 0 = none )
Write((byte)Context.CompressionMethod);
}
