private void BeginCommunication(Socket handler)
{
try
{
bool isComm = isCommunication();
if (!isComm)
{
handler.Send(Encoding.UTF8.GetBytes(Properties.NO_COMMUNICATION));
return;
}
string privateKey = Properties.getPrivateKey();
PublicKey publicKey = Properties.getPublicKey();
char[] sendKey = CriptoUtils.createSesionKey(publicKey, privateKey.ToCharArray());
handler.Send(Encoding.UTF8.GetBytes(sendKey));
string recvKey = SocketUtils.RecvData(handler);
Console.WriteLine(recvKey.Length + " " + privateKey.Length);
char[] sessionKey = CriptoUtils.createSesionKey(new PublicKey(recvKey, publicKey.mod), privateKey.ToCharArray());
Properties.setSessionKey(new string(sessionKey));
string encodedString = CriptoUtils.Encrypt(Properties.TEST_COMMUNICATON, Properties.getSessionKey());
handler.Send(Encoding.UTF8.GetBytes(encodedString));
mainWindow.write(SocketClient.SUCCESS);
mainWindow.setEnabledSend();
}
catch (Exception e)
{
mainWindow.write("Не удалось установить соединение по причине: " + e.Message);
}
}
public bool SendMessageFromSocket(string message, bool isCrypto)
{
Socket sender = null;
try
{
sender = init();
Console.WriteLine("Сокет соединяется с {0} ", sender.RemoteEndPoint.ToString());
byte[] msg = Encoding.UTF8.GetBytes(isCrypto? CriptoUtils.Encrypt(message, Properties.getSessionKey()): message);
int bytesSent = sender.Send(msg);
Console.WriteLine("Сокет послал с {0} ", sender.RemoteEndPoint.ToString());
return(true);
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
return(false);
}
finally
{
close(sender);
}
}