using System;

using System.Text;

using System.Security.Cryptography;

public class TripleDESTest

{

    // Ripped a lot of this code out of SymmetricEncryption.cs

    public static void Main()

    {

            string pwd = string.Empty;

                    MD5 md5 = System.Security.Cryptography.MD5.Create();

                    TripleDES tdes = System.Security.Cryptography.TripleDES.Create();

                    tdes.Mode = CipherMode.ECB;

                    tdes.Padding = PaddingMode.Zeros;

                    ICryptoTransform enc;

​

                    byte[] key = convertKeyToByteArray("346176316e672066756e206e30773f21", 24, md5);

​

                    enc = tdes.CreateDecryptor(key, null);

​

                    byte[] encrypted = Convert.FromBase64String("cjVpc2crbXJtVTB4RkZMdnRpMmJxQU15Z2JPY1hhYnM=");

                    byte []tmp = enc.TransformFinalBlock(encrypted, 0, encrypted.Length);

​

                    pwd = toString(tmp);

        Console.WriteLine(pwd);

    }

        protected static byte toByte( char ch) 

        {

            System.Text.Encoding enc = System.Text.Encoding.GetEncoding( "utf-8");

            byte[] b = enc.GetBytes( new char[] {ch});

            if (b != null && b.Length > 0)

                return b[0];

            return byte.MinValue;

        }

        protected static string toString( byte[] inp) 

        {

            UTF8Encoding utf8 = new UTF8Encoding();

            return utf8.GetString( inp);

        }

        protected static byte[] toByteArray( string inp) 

        {

            UTF8Encoding utf8 = new UTF8Encoding();

​

            return utf8.GetBytes( inp);

        }

     protected static byte[] convertKeyToByteArray( string key, int size, MD5 md5 )

        {

            int ivSize = size;

            byte[] newIVKey = new byte[ivSize];

            byte[] md5buffer = null;

            md5buffer = md5.ComputeHash( toByteArray(key) );

            string md5string = string.Empty;

            foreach (byte bte in md5buffer) 

            {

                md5string += string.Format( "{0:x02}", bte);

            }

​

            for (int i = 0; i < ivSize; i++) 

            {

                if (i < md5string.Length)

                    newIVKey[i] = toByte( md5string[i]);

                else

                    newIVKey[i] = 0;

            }

​

            return newIVKey;

        }

}