des的变形算法，很有用的

电子注册方式加密算法-Encrypting algorithm of electric register method

用java实现的sha1加密算法，格式非常规范，标准的一个程序，注释很详细^_^-used to achieve the sha1 encryption algorithm, a very standardized format, a standard procedure, very detailed notes ^ _ ^

大整数运算的实现-large integer arithmetic Implementation

Xnova a-Xnova add

另类密码登录窗体（拼图），只有正确拼出结果图才能进入。-alternative Password Login Window (puzzles), the only correct map decorated results can be admitted.

该源码包括了Java加密组件实现DES、RSA和SHA加密算法 -The Java source code, including encryption components realize the DES, RSA and SHA encryption algorithm

大素数生成算法的实现，很不错的一段程序-large prime number generation algorithm to achieve a very good procedures

vc++编写的eky算法源码。 1、 用户确认eKey被锁定（使用“eKey测试”工具测试，显示错误代码为－9，则表示eKey被锁定）。-vc eky prepared by the algorithm source code. 1, the user mounts lock ( "CPU test" tests show that error code to-9, then the MPC lock).

ECC的C++源码，非常简单而且容易理解-ECC

对证书的基本操作，如读取证书DN，证书有效期等-Basic operation of the certificate, such as reading the certificate DN, the certificate is valid, etc.