古典密码算法中的单表代换密码算法、移位密码算法、Vigenere密码算法。算法比较简单，用命令的方式。可以随机生成明文和密钥。...

另一种公开密钥加密算法的Pascal实现和例子。实现了签名和确认- Another kind of public key encryption algorithm Pascal realization and example. Realized has signed and confirmed

Simple steganography program written in Python. The program writes and reads information to/from 24 bits bitmaps.

创建巨型文件的参考源代码-create huge document reference source code

一个小的网页加密器-a small website encoder

本包内容包括信息系统安全工程课程中的密码学基础、公钥加密与RSA、分组密码与DES共3个章节的内容，原汁原味的老师课堂讲义~包你喜欢~~！-This package includes information systems security engineering curriculum-based cryptography, public key encryption and RSA, block cipher with DES a total of three sections, authentic classroom teacher handouts ~ package you like ~ ~!

MD5算法器，是一个非常实用简单的MD5算法器，用来加密，在公司用的很多，上次一同事向我要-MD5 algorithm, and is a very useful device simple MD5 algorithm for encryption, the company used many of my colleagues told me the last one to

　使用cryptapi加密的demo程序-cryptapi use encryption procedures demo

DES加密算法的实现和演示，具体算法见网上，程序中有注释-DES encryption algorithm and demonstrate the achievement of the specific algorithm see online, proceedings have Notes

密码serpent算法源代码, 该算法是AES候选算法之一-Password serpent algorithm source code, the algorithm is AES, one of the candidate algorithm

自己做的一个数据加密的程序，程序简单，可以直接使用的。-Their own to do a data encryption procedures, the procedures simple, can be directly used.