利用DES，C#加密，Java解密代碼

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  //C#加密  /// <summary>        /// 進行DES加密。        /// </summary>        /// <param name="pToEncrypt">要加密的字串。</param>        /// <param name="sKey">密鑰，且必須為8位。</param>        /// <returns>以Base64格式返回的加密字串。</returns>          public static string Encode(string str)          {            string keyXml = CommonMethor.GetEncrptKeyByRpt(Contant.contantUrl+"api/sys/getEncrptKey");            XmlDocument doc = new XmlDocument();            doc.LoadXml(keyXml);            XmlNode root = doc.SelectSingleNode("string");//當節點Workflow帶有屬性是，使用SelectSingleNode無法讀取             string key = root.LastChild.InnerText;            DESCryptoServiceProvider provider = new DESCryptoServiceProvider();              provider.Key = Encoding.ASCII.GetBytes(key.Substring(0, 8));              provider.IV = Encoding.ASCII.GetBytes(key.Substring(0, 8));              byte[] bytes = Encoding.GetEncoding("UTF-8").GetBytes(str);              MemoryStream stream = new MemoryStream();              CryptoStream stream2 = new CryptoStream(stream, provider.CreateEncryptor(), CryptoStreamMode.Write);              stream2.Write(bytes, 0, bytes.Length);              stream2.FlushFinalBlock();              StringBuilder builder = new StringBuilder();              foreach (byte num in stream.ToArray())              {                  builder.AppendFormat("{0:X2}", num);              }              stream.Close();              return builder.ToString();              }                        java解密public static void main(String[] args) {//        String decryptToken = null;//        String key = "[email protected]";//        String token = "C36B90D474184911EE21D4330730847E50F34F57DB92D38AA083AA66064F658C";//        try//        {//            decryptToken = ClientUtils.decrypt(token,key);//            decryptToken = java.net.URLDecoder.decode(decryptToken, "utf-8");//            System.out.println("加密串為[" + token + "],解密後為[" + decryptToken + "]");//        } catch (Exception e)//        {//            e.printStackTrace();//        }    }

 

利用DES，C#加密，Java解密代碼