private void OnClientKeyExchange(NetMQMessage incomingMessage, OutgoingMessageBag outgoingMessages)
{
if (m_lastReceivedMessage != HandshakeType.ClientHello || m_lastSentMessage != HandshakeType.ServerHelloDone)
{
throw new NetMQSecurityException(NetMQSecurityErrorCode.HandshakeUnexpectedMessage, "Client Key Exchange received when expecting another message");
}
HashLocalAndRemote(incomingMessage);
ClientKeyExchangeMessage clientKeyExchangeMessage = new ClientKeyExchangeMessage();
clientKeyExchangeMessage.SetFromNetMQMessage(incomingMessage);
RSACryptoServiceProvider rsa = LocalCertificate.PrivateKey as RSACryptoServiceProvider;
byte[] premasterSecret = rsa.Decrypt(clientKeyExchangeMessage.EncryptedPreMasterSecret, false);
GenerateMasterSecret(premasterSecret);
InvokeChangeCipherSuite();
}
private void AddClientKeyExchange(OutgoingMessageBag outgoingMessages)
{
ClientKeyExchangeMessage clientKeyExchangeMessage = new ClientKeyExchangeMessage();
byte[] premasterSecret = new byte[ClientKeyExchangeMessage.PreMasterSecretLength];
m_rng.GetBytes(premasterSecret);
RSACryptoServiceProvider rsa = RemoteCertificate.PublicKey.Key as RSACryptoServiceProvider;
clientKeyExchangeMessage.EncryptedPreMasterSecret = rsa.Encrypt(premasterSecret, false);
GenerateMasterSecret(premasterSecret);
NetMQMessage outgoingMessage = clientKeyExchangeMessage.ToNetMQMessage();
HashLocalAndRemote(outgoingMessage);
outgoingMessages.AddHandshakeMessage(outgoingMessage);
m_lastSentMessage = HandshakeType.ClientKeyExchange;
}