private void OnServerHello(NetMQMessage incomingMessage, OutgoingMessageBag outgoingMessages)
{
if (m_lastReceivedMessage != HandshakeType.HelloRequest || m_lastSentMessage != HandshakeType.ClientHello)
{
throw new NetMQSecurityException(NetMQSecurityErrorCode.HandshakeUnexpectedMessage, "Server Hello received when expecting another message");
}
HashLocalAndRemote(incomingMessage);
ServerHelloMessage serverHelloMessage = new ServerHelloMessage();
serverHelloMessage.SetFromNetMQMessage(incomingMessage);
SecurityParameters.ServerRandom = serverHelloMessage.RandomNumber;
SetCipherSuite(serverHelloMessage.CipherSuite);
}
private void AddServerHelloMessage(OutgoingMessageBag outgoingMessages, CipherSuite[] cipherSuites)
{
ServerHelloMessage serverHelloMessage = new ServerHelloMessage();
serverHelloMessage.RandomNumber = new byte[RandomNumberLength];
m_rng.GetBytes(serverHelloMessage.RandomNumber);
SecurityParameters.ServerRandom = serverHelloMessage.RandomNumber;
// in case their is no much the server will return this defaul
serverHelloMessage.CipherSuite = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA;
foreach (CipherSuite cipherSuite in cipherSuites)
{
if (AllowedCipherSuites.Contains(cipherSuite))
{
serverHelloMessage.CipherSuite = cipherSuite;
SetCipherSuite(cipherSuite);
break;
}
}
NetMQMessage outgoingMessage = serverHelloMessage.ToNetMQMessage();
HashLocalAndRemote(outgoingMessage);
outgoingMessages.AddHandshakeMessage(outgoingMessage);
m_lastSentMessage = HandshakeType.ServerHello;
}
