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

加密pe文件源代码!一个非常好的加壳程序源代码!编译环境masm-pe document encryption source code! A very good worm source code! Build environment can

非常好的使用Delphi 进行数据压缩加密的资料，值得收藏！- Extremely good use Delphi carries on the data compression encryption the material, is worth collecting!

老外写的加密库cryptlib(版本3.1)-foreigner to write encryption for cryptlib (version 3.1)

here is aan ebook for flex

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

在网络上销售的商业管理系统，一般都要注册才能使用。本实例将使用INT文件对软件进行用户信息注册。-On the network marketing business management systems, generally have to register to use. INT files in this instance will use the software user information registration.

标准C++书写的BlowFish加密算法，和加密文件演示，速度较快-written in standard C BlowFish encryption algorithm, and encryption paper presentations, faster

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

提供加密的c/s 聊天程序。用到对称加密算法和非对称加密算法，实现客户服务器的安全聊天-Provide encrypted c/s chat program. Using symmetric encryption algorithms and asymmetric encryption algorithms, to achieve the security of client-server chat

此为国外转载函数，可将任意字符转换为md5 16为字符加密形式，而且为不可逆转换。-reproduced here for foreign functions, arbitrary characters can be converted to 16 md5 encrypted form of characters, but also to irreversible change.