这一个16位的CRC校验的源码，源码也已经很详细的注释过了

OPT一次性动态口令验证算法。根据动态支持TOTP和HOTP验证。-A one-time dynamic password authentication algorithm OPT. According to dynamic support for TOTP and HOTP authentication.

简单的RSA加密范例-simple example of the RSA encryption

用来替换动态链接库的相互引用关系，去掉强签名请求。

在Visual C++ 6.0下利用Rijndael算法进行任意文件加密，一个rijndael加密算法的使用实例，虽然图形界面做得比较粗糙，但是程序本身有很多值得参考和学习的地方- 6.0 carries on the free document encryption in Visual C using the Rijndael algorithm, a rijndael encryption algorithm use example, although the graphical interface does quite roughly, but procedure itself has the very multiple-valued reference and the study place

DES算法程序，此程序为完整的程序，可以直接下载使用-DES algorithm procedure, this procedure for the complete procedure, can be directly downloaded using

抓取网页密码，能够轻松的将网页上的密码抓取下来，功能比较简单实用-Crawl page password, can easily crawl password page down function is relatively simple and practical

数字电视中的加密-Encryption of digital TV

Java Cryptography and source code

PE程序加密壳源程序 -PE procedure encryption shell source program

一个64位编码解码的动态连接库的例子-A 64-bit codec DLL example