java加密解密源码 用户密码不能直接存储到数据库，需要经过加密。同样user也可要回自己的密码。-java source code users not directly stored into the database, require encryption. The same user also win back their passwords.

简单的asp考试系统；主要分三段主程序，参考自网上，对部分代码修改后， 运行通过。 数据库是access2000；login.asp为用户登陆，其实去掉也可以。 默认ID:cnzzz passwd:cn-simple examination system; The main three operative program, information from the Internet and the right part of the revised code, running through.

1 - base64 decode 2 - url encode 3 - url decode 4 - md5 hash 5 - random str 6 - sha1 hash 7 - DES hash 8 - CRC32 9 - rot13 encode 10 - ASCII -> bin 11 - ASCII -> dec 12 - ASCII -> hex 13 - ASCII -> char() 14 - AS

本源码是JSP环境下修改密码的一个典型实现，具有很好的学习价值。-how to change password under jsp environment