private void ProcessPeerCommand(SocketState connection, PacketEnvelope envelope)
{
if (envelope.Label == IntraServiceLables.ApplyNegotiationToken)
{
connection.KeyNegotiator = new SecureKeyExchange.SecureKeyNegotiator();
byte[] replyToken = connection.KeyNegotiator.ApplyNegotiationToken(envelope.Payload);
SendPacketEnvelope(connection, new PacketEnvelope
{
Label = IntraServiceLables.ApplyResponseNegotiationToken,
Payload = replyToken
});
SendPacketEnvelope(connection, new PacketEnvelope
{
Label = IntraServiceLables.EncryptionNegotationComplete
});
}
else if (envelope.Label == IntraServiceLables.ApplyResponseNegotiationToken)
{
connection.KeyNegotiator.ApplyNegotiationResponseToken(envelope.Payload);
SendPacketEnvelope(connection, new PacketEnvelope
{
Label = IntraServiceLables.EncryptionNegotationComplete
});
}
else if (envelope.Label == IntraServiceLables.EncryptionNegotationComplete)
{
connection.IsEncryptionNegotationComplete = true;
//Console.WriteLine("--{0} Shared Secret: {1}", connection.Route.Name, connection.KeyNegotiator.SharedSecretString);
string sharedSecretString = connection.IsEncryptionNegotationComplete ? connection.KeyNegotiator.SharedSecretString : null;
string commonSalt = null;
if (connection.IsIncomming && connection.IsEncryptionNegotationComplete)
{
commonSalt = _route.BindingPreSharedKey;
}
else if (connection.IsOutgoing && connection.IsEncryptionNegotationComplete)
{
commonSalt = _route.EndpointPreSharedKey;
}
SendPacketEnvelope(connection, new PacketEnvelope
{
Label = IntraServiceLables.TunnelNegotationComplete,
}, sharedSecretString, commonSalt);
}
else if (envelope.Label == IntraServiceLables.TunnelNegotationComplete)
{
connection.SetTunnelNegotationComplete();
//Console.WriteLine("--{0} TunnelNegotationComplete", connection.Route.Name);
//Console.WriteLine("--{0} Shared Secret: {1}", connection.Route.Name, connection.KeyNegotiator.SharedSecretString);
}
}
