voltage 公司提供的一个开发Ibe的工具包，

一些重要的加密算法的实现---主要是针对大学密码学课程中的算法实践，例如： 维吉尼亚密码，置换密码，移位密码-Some key encryption algorithm--- mainly aimed at the realization of the University of cryptography algorithms for practical courses, such as: Virginia password, replacement password, password, and so shift

用C语言编写的URL编码也是base64编码

sha密码检验的示例 希望对大家有 帮助-sha password test examples we hope to help

Openssl的常用头文件，本人经常用，很不错的。-The daily head file of Openssl, I often use, it is very good.

pgp加密例子 -pgp encryption example

文本加密，利用异或操作对指定文件进行加密，加密密码由用户输入-Text encryption, the use of XOR operations on the specified file is encrypted, encryption, password from user input

目前企业面临的计算环境和过去有很大的变化，许多数据资源能够依靠网络来远程存取，而且越来越多的通讯依赖于公共网络公共网络（如 Internet），而这些环境并不保证实体间的安全通信，数据在传输过程可能被其它人读取或篡改。-currently facing the enterprise computing environment and past a great change, many data resources to be able to rely on remote network access, and more and more dependent on public communications networks public networks (such as the Internet), which environment is not a guarantee of the security entities communications, data transmission possible by other people read or tampered with.

一个利用C语言来实现加密算法之DES算法的源码。-A source program of DES arithmetic using C .

DES加密算法的C＋＋实现-DES encryption algorithm in C++

java写的base64加解码算法-Base64 code/decode algorithm written in Java