private void SendRequest(string request)
        {
            var md5request = $"{CheksumGenerator.CreateMD5(request)} {request}";

            byte[] buffer = Encoding.ASCII.GetBytes(md5request);
            ClientSocket.Send(buffer);
        }
        private string ReceiveResponse()
        {
            string text;
            int    received = ClientSocket.Receive(buffer, SocketFlags.None);

            if (received == 0)
            {
                return("");
            }
            var data = new byte[received];

            Array.Copy(buffer, data, received);
            text = Encoding.ASCII.GetString(data);
            var cleanText = text.Substring(33);
            var md5       = text.Substring(0, 32);

            if (CheksumGenerator.CreateMD5(cleanText) != md5)
            {
                MessageBox.Show("Odebrano niekompletne dane");
                return(null);
            }
            return(cleanText);
        }