算术运算实现字母的替换。凯撒加密就是一种单字母替换法：通过用户给出密钥将字母加上密码变成密文...

The application wizard has created this CNGCryptFile application for you. This application not only demonstrates the basics of using the Microsoft Foundation Classes but is also a starting point for writing your application.

oracle9i官方培训教材,经典中的经典-Oracle9i official training materials, classic classic

密码大家Shoup写的数论算法c语言实现，Unix版本-password you write the number theory algorithm c language, the Unix version

好用的东西，大家可以看看，在6.0下编译通过，不错-Useful things, everyone can see that in the 6.0 compiler is passed, a good

著名的l0pht代码！-famous l0pht code!

简单加密工具原程序-simple encryption tools original program

base64的编解码代码封装，很方便易用。-base64 codec code package, it is easy to use.

密码编码学――加密方法的C与C++实现，该程序最好在VC环境下编译-cryptographers-- encryption methods of C and C to achieve the best procedures in the VC environment compiler

用MFC实现的对任意长度的文件的MD5加密，得到的是标准的32位十六进制数-Using MFC to achieve for any length of document MD5 encryption, receive the standard 32-bit hexadecimal number

大数运算库miracl。有了miracl这样的函数库，你可以直接调用函数，来实现你要的公钥密码学的某个功能。-Treasury computing large numbers miracl. With miracl this library, you can directly call the function, to realize that you ask for a public-key cryptography functions.