des加密算法具体实现，自己长期使用的，使用时引入即可

转载，软件注册案例-reproduced, software registration case

文件加密方法，非常简洁重要的代码 java-File encryption method is very simple and important code java

以确保您的数据安全

two fish 加密的源代码,用c编写的.希望对大家有用-two fish encryption source code, using c prepared. hope everyone useful

含有rc2、rc4、rc5、rc6算法的rc算法集合- Includes rc2, rc4, rc5, rc6 the algorithm rc algorithm gathers

基于16C84做的智能卡程序，可以实现智能设置。-16C84-based smart card to do the procedure, you can realize the smart set.

讨论了CRC生成的数学算法

一个java语言下的生成消息摘要的程序，可用于验证来源和确定身份-a generation of news summary of the procedures can be used to verify the source and identification

文件加码,文件加密文件加 码,文件加密文件加码,文件加密-document to another, encrypted document to another document, document encryption coded document, document encryption document to another, Encryption document to another, encrypted document to another document, document encryption

用VB实现的DES加密算法，适合于小型VPN的明文加密传输-the DES encryption algorithm, suited to the small expressly VPN encryption transmission