using System.Linq;

using System;

using System.Security.Cryptography;

using System.Text;

using System.Web;

using System.Collections.Generic;

public class Program

{

public static void Main()

{

​

            var value = "yVT/jmgPLF+BxTkDWkU3yDzVdlpc3IUq1ZUX1D+1aC4=";

            var SsoCryptoKey = "uJ44Pu2D";

​

            var buffer = Convert.FromBase64String(value.Replace(" ", "+"));

​

            using (var des = new DESCryptoServiceProvider())

            {

                des.BlockSize = 64;

                des.KeySize = 64;

                des.Mode = CipherMode.ECB;

                bool SSOTripleDESpadding = false;

                if (SSOTripleDESpadding)

                {

                    des.Padding = PaddingMode.PKCS7;

                }else               

                   des.Padding = PaddingMode.None;

​

                des.Key = Encoding.UTF8.GetBytes(SsoCryptoKey);

                using (var transform = des.CreateDecryptor())

                buffer = transform.TransformFinalBlock(buffer, 0, buffer.Length);

                des.Clear();

            }

​

            Console.WriteLine(Encoding.UTF8.GetString(buffer));

}

}