public static string DESDecryptFromHex(string cipherText, string key = "", string iv = "")
        {
            var byteArr = EncodingHelper.HexToByteArrDefault(cipherText);
            var result  = DESDecrypt(byteArr, key, iv);

            if (result != null)
            {
                return(Encoding.UTF8.GetString(result));
            }
            return(string.Empty);
        }
        public static string AESDecryptFromHex(string cipherText, string key = "", string iv = "")
        {
            var byteArr = EncodingHelper.HexToByteArrDefault(cipherText);

            return(AESDecrypt(byteArr, key, iv));
        }