这个是DES加密算法源代码(C++语言类别)

DES 加密系统的 C 语言源代码，实现了简单的DES加密系统。-DES Encryption System C language source code, a simple realization DES encryption system.

一个用BCB写的壳！-with BCB was a shell!

基于8位密码，每位密码值范围为5秒，连续三次键入错误报警1秒的开锁提示音；(5)密码设定完毕后有5秒内未进入，自动锁闭。LED输出模块，数码管（

vb.net编写的数据加密程序，提供三种加密方式： 简单加密、随机码加密、用户名加密-vb.net prepared by the data encryption program, providing three encryption methods : simple encryption, random encryption, user name encryption

一个加密的算法。-An encryption algorithm.

它加密txt文件和cpp文件，并且创建key在你的软盘上，你可以用这个key加密文件.rar-txt file encryption and cpp files and create key in your floppy disk, you can use this document encryption key. Rar

用JAVA做的模拟电梯的程序,是自己做的- Simulation elevator procedure does which with JAVA, is oneself does

base64加密算法源代码，比如现在的qq采样双层加密，其中外层加密就采用此算法-base64 encryption algorithm source code, such as the current two-tier encryption qq sampling, in which outer layer of encryption on the use of this algorithm

数据隐藏程序，比机密更安全-Data Hiding procedures, more than security secrets

Vigenere 体制 本程序使用dev c++开发实现，希望对大家有用.-Vigenere institutional procedures for the use of the dev c achieve development, we hope that the right useful.