public byte[] EnPwd_UTF8(List <byte[]> data)
        {
            string input_str  = Encoding.UTF8.GetString(data[0]);
            string public_key = Encoding.UTF8.GetString(data[1]);

            try
            {
                // StartWith -----BEGIN PUBLIC KEY-----  216  EndWith -----END PUBLIC KEY-----
                return(RSAHelper.Encrypt_PEM_Hex_Min(data[0], Encoding.UTF8.GetString(data[1])));
            }
            catch (Exception)
            {
                return(Encoding.UTF8.GetBytes(""));
            }
        }