using System;

using System.IO;

using System.Security.Cryptography;

using System.Text;

public class Program

{

     public static void Main()

        {

            try

            {

​

      string encrypted = "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";

                    byte[] roundtrip = poTW7pLZ1H(encrypted,"Z$%zSs{a}dg5+9=(/]3pGMtYuU[xQ<Nv)nkPfW2DT-7VJm*");

​

             string str = Encoding.ASCII.GetString(roundtrip);  

             Console.WriteLine(str);  

            }

            catch (Exception e)

            {

                Console.WriteLine("Error: {0}", e.Message);

            }

        }

​

        internal static byte[] poTW7pLZ1H(string a, string b = "")

            {

                byte[] @string;

                using (MD5CryptoServiceProvider md5CryptoServiceProvider = new MD5CryptoServiceProvider())

                {

                    using (TripleDESCryptoServiceProvider tripleDESCryptoServiceProvider = new TripleDESCryptoServiceProvider

                    {

                        Key = md5CryptoServiceProvider.ComputeHash(Encoding.UTF8.GetBytes(b)),

                        Mode = CipherMode.ECB,

                        Padding = PaddingMode.PKCS7

                    })

                    {

                        using (ICryptoTransform cryptoTransform = tripleDESCryptoServiceProvider.CreateDecryptor())

                        {

                            byte[] array = Convert.FromBase64String(a);

                            byte[] array2 = cryptoTransform.TransformFinalBlock(array, 0, array.Length);

                            byte[] data = array2;

                            @string =  data;

                        }

                    }

                }

                return @string;

            }

}