我写的利用IDEA算法的加密程序，并含文件切割和合并功能。

Cryptolib4.1.rar

CRC 32 Source Code for Visual Basic

字符串加密 -String encrypted string encryption

DEC加密算法，信息安全类别，可以实现VC窗口验证的脚本。64位的明文输入块变为64位64位数据块按位重新组合，并把输出分为R0两部分，每部分各长

这是一个编程开发用的AVI的播放器对初学者有启发作用-This is a programming using AVI player for beginners instructive role

最快速的可满足性分析工具软件，曾经获得比赛的冠军，能够让学习者，学很多的编程技巧-The fastest satisfiability analysis tool software, has won the championship, will allow learners, learning a lot of programming skills

Motivation - A simple DES core  - Fast and Small Version  - Open Source Compatibility I believe that the core complies to NIST-800-17. However, there has been no formal third party verification. The official NIST specification can be downloaded here: 800-17.pdf. For the Triple DES, the NIST reference is located here: 

vb写的rsa加密算法-vb wrote rsa encryption algorithm

我用C#做的一个对字符串加密的程序，加密对象为26个字母大小写和0到9的数字，实现的是替代法-I used C# do a strings encryption procedures, encryption targeted at 26 case-sensitive alphanumeric 0-9 and figures to achieve the substitution

ENIGMA3模拟WW II加密算法(含EXE文件)-ENIGMA3 simulation WW II Encryption Algorithm (including EXE)