public static string GetDecryKey()
        {
            string strDecryHexStr_DESCS = TripleDESIntf.DecryHexStr_DESCS(AppEnv.Singleton.SystemPsd, TRANSPORT_KEY);



            return(strDecryHexStr_DESCS);
        }
        public const string DEFAULT_SYSTEM_PSD       = "00000000";         //8个0默认密码

        public static string GetEncryKey(string psd)
        {
            string hexPsd = StrUtils.ASCIIStrToHexStr(psd);

            return(TripleDESIntf.EncryHexStr_DESCS(hexPsd, TRANSPORT_KEY));
        }