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...

jcrypt加密，看看有没有人需要，分享给大家-jcrypt encryption, see no need for everyone to share

在这个程序中将实现三种古典加密方法：恺撒算法，多表代换算法中的Vigener算法，与列换位算法-in this process will achieve three classical encryption methods : Caesar algorithm, multi-table substitution algorithm of Vigener algorithms, and algorithm out transpositions

加密算法源代码应用-encryption algorithm source code application

DSA算法的Pascal实现和例子。实现了签名和确认-DSA algorithm Pascal realization and example. Realized has signed and confirmed

CRC校验程序，使用了CRC-16和CRC-CCITT方法 -CRC inspection program, which use crc-16 and crc-ccitt method

access数据库加密有几法，但用“设置安全机智向导”加密最为牢靠，又如何访问这样的数据库呢-access database encryption with a few laws, but "to provide a safety witty guide" the most secure encryption, how to access such a database?

S盒的线性逼近表的运算,可在程序里面修改数值,这是一本密码学的书籍上的题目的运算程序-S-box linear approximation table calculations, which can be modified numerical procedure, which is a cryptography book on the topic of computing procedures

使用vb的方法加密文本-use of encryption text

RSA的实现，可以根据文章来实现RSA算法-RSA realized, according to the article to achieve RSA algorithm

idea加密算法源代码-The source code of IDEA encryption algorithm