IPSEC源码包括测试模块代码，容易移植

des算法实现源码-des algorithm realization source code

--- -----md5--- --- ---属于200种加密算法的一种------------ md5--------------- encryption algorithm 200 is a

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

简单的文件加密代码 一个不错的文件加密系统，对你工作的安全大大加强。-simple file encryption code a good file encryption system, you have the right security greatly enhanced.

RSA实现数字签名算法 VC++实现，有图形化窗口-Digital Signature Algorithm to RSA

一款文件加密的小软件-one small file encryption software

大数计算在公钥加密中起到了重要的作用，如何操作大数呢，该程序也许能帮你解决这个问题有所帮助。-calculated in the end, the public key encryption plays an important role in the operation of large numbers do, the program may be able to help you resolve this problem some help.

CRC校验中叠加和校验方法的生成，校验等功能函数源码。-CRC verification and validation methods of superposition generation, calibration source, such as performance function.

局域网传送文件的一个相当好的软件。速度快，还可以聊天-LAN transmission of documents of a very good software. Fast, and can also chat

这个是简单的用vb编程编的分解质因数的程序和已经编译了的exe文件-This is a simple program with vb series of the quality factor of the decomposition process and is compiled by the exe files