快速去除PDF密码设置，不用安装，直接使用

RSA加密的程序-RSA encryption procedure

实现BASE64编码-achieve BASE64 encoding

MD5算法研究 最新的，具体内容看文章 Message-Digest Algorithm 5它的英文名字-MD5 algorithm studies newly, the concrete content looks at article Message-Digest the Algorithm 5 its English names

enigma.zip(VB)一个德国的enigma加密技术例子COOL,原程序不支持明文是汉字，添加了一个小模块 -enigma.zip (VB), a German enigma encryption technology COOL example, the original program is not expressly support Chinese characters, add a small module

RSA加密的聊天源代码-chat RSA encryption source code

这是一个获取ACCESS 数据库密码的强悍软件, 适用于ACCESS2-This a password access to the Access database software intrepid apply to ACCESS2

数据加密的工具源代码--Source code of data encryption tool

DES加密类，可以自定义key，可以更改IP置换表-DES encryption type, you can customize the key, you can change the IP permutation table

md5算法是计算机密码学里经典的算法，实用价值很高，设计的关键在于随机数的产生，本程序采用传统的利用计算机时钟采集种子的办法生成随机数种子。-md5 password algorithm is computer science Lane classic algorithms, highly practical, design is the key to the selection of random numbers, the procedure using the traditional use of computer clock seed collection methods generate random number seed.

这是SLRC632的全部源代码.包括读typea typeb书..全功能支持-This is the full source code SLRC632. Including reading books .. typea typeb full-function support