登陆界面加密

public static string LoginLetterSelected(string key)
        {
            return key.Trim().Replace("%","").Replace("'","").Replace("-","");
        }

        public static string String2MD5(string key)
        {
            return FormsAuthentication.HashPasswordForStoringInConfigFile(key,"md5").Substring(8,16).ToLower();
        }

 

md5加密方式