private void Connect()
{
try
{
byte[] dataBuffer = new byte[1024];
int readCount = 0;
mSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
mSocket.Connect(mHost, mPort);
RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider();
readCount = Socket.Receive(dataBuffer);
string cryptoProviderPublicKey = Encoding.ASCII.GetString(dataBuffer, 0, readCount);
rsaProvider.FromXmlString(cryptoProviderPublicKey);
byte[] passwordData = Encoding.ASCII.GetBytes(mPassword);
byte[] passwordDataEncrypted = rsaProvider.Encrypt(passwordData, true);
mSocket.Send(passwordDataEncrypted);
readCount = mSocket.Receive(dataBuffer);
string result = Encoding.ASCII.GetString(dataBuffer, 0, readCount);
if (result != "OK")
{
InvalidPasswordException exception = new InvalidPasswordException();
exception.Password = mPassword;
exception.ServerMessage = result;
throw exception;
}
mCryptoServiceProvider = new TripleDESCryptoServiceProvider();
byte[] keyData = mCryptoServiceProvider.Key;
byte[] ivData = mCryptoServiceProvider.IV;
byte[] typeData = BitConverter.GetBytes(mConnectType);
byte[] connectData = BytesUtils.Merge(keyData, ivData, typeData);
byte[] connectDataEncrypted = rsaProvider.Encrypt(connectData, true);
mSocket.Send(connectDataEncrypted);
readCount = mSocket.Receive(dataBuffer);
result = Encoding.ASCII.GetString(dataBuffer, 0, readCount);
if (result != "OK")
{
InvalidConnectInfoException exception = new InvalidConnectInfoException();
exception.ServerMessage = result;
throw exception;
}
ConnectSucceedArgs args = new ConnectSucceedArgs();
mForm.Invoke(mConnectSucceedHandler, this, args);
}
catch (Exception ex)
{
mSocket.Close();
mSocket = null;
mCryptoServiceProvider = null;
ConnectFailArgs args = new ConnectFailArgs();
args.Reason = ex;
mForm.Invoke(mConnectFailHandler, this, args);
}
}
private void OnConnectSucceed(object sender, ConnectSucceedArgs e)
{
mIsConnected = true;
Close();
}
