删除系统某存储区中的证书， 代码参考msdn

playfair的源代码，很简洁，跟网上现存的版本有所差异，但是效果是很不错的。-playfair source code is very simple, with the existing version of the web is different, but the effect is very good.

tuyecrypt-2.1a

一个用C＋＋、JAVA、C#等编写的数字签名代码序列，里面有三种不同语言写的-A use of C , JAVA, C# Such the preparation of the digital signature code sequence, which has three different written languages

Crypto api 使用实例，可以学习的例子-Crypto api to use examples, you can learn from examples

这是一个好用的MD5的C++类；这个类可以加在控制台 程序中也可用在MFC中， 并且提供了详细的错误处理 函数，是一个安全的类。例程是一个MD5的MFC程序， 支持字符串和文件两种输入-This is an easy to use the MD5 of the C++ category this category can be added to the console program can also be used in the MFC and to provide a detailed error handling function, is a type of security. MD5 is a routine procedure of MFC, and documentation to support two types of input string

rsa算法实现的经典开发包，对学习加密算法帮助很大-rsa algorithm realize the classic development kit, the encryption algorithm learning very helpful

MD5算法的VC示例,非常 好!-MD5 algorithm VC example, a very, very good!

一个简单的加密算法Kaiser(C语言实现) -A simple encryption algorithm Kaiser (C language)

MD5算法之C#程序-MD5 algorithm procedures on C#

精简后的md5，hmac―md5 算法，方面程序调用