推荐一个快速压缩算法，本人试过，很好用，详细说明请参看：http://www.codeguru.com/Cpp/Cpp/algorithms/compression/article.php/c7043/-recommended a rapid compression algorithm, I tried to use good, detailed descr iption See : http://www.codeguru.com/Cpp/Cpp/algorithms/compression/a

PHP 3DES算法。在WAP开发过程中常有用到的。主要用于加密用户登录状态，完成自动登录之功能-PHP 3DES algorithm. In the WAP development process are often used. Mainly used for encrypted user login, and the completion of the automatic login function