des文件加密系统。

CRC-16算法的C语言实现（以常见的CRC-ITU为例引出的比特型算法）。-CRC-16 algorithm of the C language (in common CRC-ITU as an example of bit-based algorithm for extraction).

md5加密函数，自己的pass更加安全可靠-md5 encryption function, their pass more secure

算法参考于《密码编码学及网络安全》上关于RSA加密算法的定义。相关程序在Visual C++ 6.0上能正确运行（估计在其他C语言编程环境下也能运行吧），程序里面详细写上了注解，希望能够给你带来帮助。

Converst a bit array into a single byte and vice versa

高级加密算法实现AES,已经被美国NIST机构采用-advanced encryption algorithm AES, the United States has been using NIST agencies

Crypto++软件包，包括11个例子，25种加密算法的源程序，从AES到XTEA。-Crypto++ Packages, including 11 examples of 25 kinds of encryption algorithm source code, from the AES to XTEA.

简单的密码的例子，使用VB的源码, 非常简单明了，希望大家喜欢。-Simple Example of VB Source Code for Encrypt, Rudimentary encryption/decryption demo program

个人编的rsa的源代码，算出public―private key；其中有Euclid，Extend Euclid的实现，以及Millar-Rabin test的实现，和加密/解密-Rsa personal series of source code, calculate the public-private key including Euclid, Extend Euclid realization, as well as the Millar-Rabin test realization, and the encryption/decryption

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.

This program encodes and decodes a character using the Vigenere Square method