ASP.NET MD5加密

 public ActionResult Index()        {            string a = CreateMD("zrh");            ViewBag.pw = CreateMD(a);            return View();        }        public string CreateMD(string password)        {            byte[] result = Encoding.Default.GetBytes(password);            MD5 md5 = new MD5CryptoServiceProvider();            byte[] output = md5.ComputeHash(result);            return BitConverter.ToString(output).Replace("-", "");                }