一个获取FF的密码工具，个人觉着非常好用，但是不知道原理，如果谁有研究，请和我联系：fisher163@yeah.net，非常感谢！-A tool for FF' s password, personal feel in a very easy to use, but do not understand the principle, if anyone studies, please contact me: fisher163@yeah.net, Thank you very much!