private void _BeginRead(Secure_Stream c)
{
try
{
var state = new MessageObject();
state.Client = c;
c.Client.BeginReceive(state.HeaderBuffer, 0, MessageObject.HeaderSize, 0, new AsyncCallback(ReadHeaderCallback), state);
} catch(Exception e)
{
if(DisconnectEvent != null)
DisconnectEvent(this);
Debug.WriteLine(e.Message);
}
}
protected void Write(Tcp_Message m)
{
try
{
using(AesCryptoServiceProvider aes = new AesCryptoServiceProvider())
{
aes.KeySize = _MySessionKey.Length * 8;
aes.Key = _MySessionKey;
aes.GenerateIV();
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
using(ICryptoTransform encrypt = aes.CreateEncryptor())
{
var sendbuffer = Tcp_Message.ToBuffer(m);
var headermessage = new MessageObject();
headermessage.Client = this;
headermessage.MessageBuffer = headermessage.HeaderBuffer;
var datamessage = new MessageObject();
datamessage.Client = this;
datamessage.MessageBuffer = encrypt.TransformFinalBlock(sendbuffer, 0, sendbuffer.Length);
Buffer.BlockCopy(aes.IV, 0, headermessage.MessageBuffer, 0, aes.IV.Length);
var len = BitConverter.GetBytes(datamessage.MessageBuffer.Length);
Buffer.BlockCopy(len, 0, headermessage.MessageBuffer, aes.IV.Length, len.Length);
// Debug.WriteLine("Sending ");
// _SendResetEvent.WaitOne();
Client.BeginSend(headermessage.MessageBuffer, 0, headermessage.MessageBuffer.Length, 0, new AsyncCallback(SendMessageCallback), headermessage);
Client.BeginSend(datamessage.MessageBuffer, 0, datamessage.MessageBuffer.Length, 0, new AsyncCallback(SendMessageCallback), datamessage);
}
}
} catch(Exception e)
{
// _SendResetEvent.Set();//just in case another thread was waiting
if(DisconnectEvent != null)
DisconnectEvent(this);
Debug.WriteLine(e.Message);
}
}