"Plus decrypt" Java encryption code and C # decryption code for DES encryption algorithm

Java encryption:

Package Webdomain;import Java.security.Key;      Import Java.security.spec.AlgorithmParameterSpec; Import Javax.crypto.cipher;import javax.crypto.SecretKeyFactory; Import Javax.crypto.spec.deskeyspec;import javax.crypto.spec.ivparameterspec;import Decoder.BASE64Encoder; Public classCrytotools {Private StaticFinalbyte[] Deskey ="here 8-bit key--a". GetBytes ();//    Private StaticFinalbyte[] Desiv ="here is another 8-bit key--b". GetBytes ();//    StaticAlgorithmparameterspec IV =NULL; Private StaticKey key =NULL;  PublicCrytotools () throws Exception {Deskeyspec KeySpec=NewDeskeyspec (Deskey); IV=NewIvparameterspec (DESIV); Secretkeyfactory keyfactory= Secretkeyfactory.getinstance ("DES"); Key=Keyfactory.generatesecret (KEYSPEC); }     Publicstring Encode (string data) throws exception{Cipher Encipher= Cipher.getinstance ("des/cbc/pkcs5padding");        Encipher.init (Cipher.encrypt_mode, KEY,IV); byte[] Pasbyte = Encipher.dofinal (Data.getbytes ("Utf-8")); Base64encoder Base64encoder=NewBase64encoder (); returnBase64encoder.encode (Pasbyte); }}

C # decryption

usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingsystem.web;usingSystem.Text;usingSystem.Configuration;usingSystem.Security.Cryptography;usingSystem.IO;namespaceappservice{ Public classDES {//des -in-the-sign         Public Static stringDesdecode (stringEncryptedstring,stringSKey) {            Try            {                byte[] BtKey = Encoding.Default.GetBytes ("here 8-bit key--a");//キー                byte[] Btiv = Encoding.Default.GetBytes ("here another 8-bit key--b");//キーDESCryptoServiceProvider des =NewDESCryptoServiceProvider (); using(MemoryStream ms =NewMemoryStream ()) {                    byte[] InData =convert.frombase64string (encryptedstring); Try                    {                        using(CryptoStream cs =NewCryptoStream (MS, Des. CreateDecryptor (BtKey, Btiv), CryptoStreamMode.Write)) {cs. Write (InData,0, indata.length); Cs.                        FlushFinalBlock (); }                        returnEncoding.UTF8.GetString (Ms.                    ToArray ()); }                    Catch                    {                        returnencryptedstring; }                }            }            Catch {                returnencryptedstring; }        }    }}

"Plus decrypt" Java encryption code and C # decryption code for DES encryption algorithm