private static void SendMyVersion(AbstractSocket stream, SSHConnectionParameter param)
        {
            string cv = SSHUtil.ClientVersionString(param.Protocol);

            if (param.Protocol == SSHProtocol.SSH1)
            {
                cv += param.SSH1VersionEOL;
            }
            else
            {
                cv += "\r\n";
            }
            byte[] data = Encoding.ASCII.GetBytes(cv);
            stream.Write(data, 0, data.Length);
        }