著名的l0pht代码！

VC做成的MD5的算法工具，可以学习一下-VC made the MD5 algorithm tool to study the

Simple hashing utility

目前企业面临的计算环境和过去有很大的变化，许多数据资源能够依靠网络来远程存取，而且越来越多的通讯依赖于公共网络公共网络（如 Internet），而这些环境并不保证实体间的安全通信，数据在传输过程可能被其它人读取或篡改。-currently facing the enterprise computing environment and past a great change, many data resources to be able to rely on remote network access, and more and more dependent on public communications networks public networks (such as the Internet), which environment is not a guarantee of the security entities communications, data transmission possible by other people read or tampered with.

MD5 HASH摘要算法，采用C语言开发-MD5 HASH digest algorithm using C language development

DES加密算法的Visual C++实现-DES encryption algorithm Visual C++ Realize

用java编写的素数生成程序，运行速度快，最大可以分析１０位的十进制数-used in the preparation of several generating program, run faster, the greatest can be analyzed 10 metric few

des加密算法源码-Sourcecode of des encrypting algorithm

rsa加密算法源代码

pkcs#11 header files

一个关于串口的简单实现，可以了解基本串口听基本知识-a serial port on the simple realization, we can understand the basic serial listen to the basic knowledge