公钥加密程序，采用非对称密钥，这里以类的形式调用

md5例程 主要可以通过程序了解md5如何加密，在编程是可以直接借用。-md5 routines mainly through the process to understand how md5 encryption, in the programming can be borrowed directly.

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

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VC实现的图像加密算法，采用Arnold变换，对于初涉信息安全的人员有一定参考价值-The algorithm of encrypted image completed in VC, applying the Arnold transform .It is valuable to people who will devote himself to infomation security

des算法的一种升级算法-an update algorithm

PGP Components使用PGP算法的加密控件。(有源代码）工作在：D2 D3 D4 D5。作者：Michael in der Wiesche--Encryption control that PGP Components uses PGP arithmetic to realized.It works in D2 D3 D4 D5。author:Michael in der Wiesche

一个DES加密算法的实现-a DES encryption algorithm implementation

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port.

CPU序列号和MAC地址获取函数,适用广泛-CPU serial number and MAC address access function, the application of broad