经典的文件加密技术，简单高效

COBRA cipher algorithm example.

DES完全自己实现！能对输入字符串或者选定实现CBC，CFB-1,-8,-64等模式。算法自带有效率检测函数，运行结束显示系统效率。此源代码完全胜任课程设计，就算是毕业设计也只需进行一点改进。欢迎大家下载!-DES to achieve fully their own! Able to enter the selected string or the realization of CBC, CFB-1,-8,-64, such as model. Efficient detection algorithm own function, run the end of display system efficiency. This source code fully qualified for curriculum design, even if it is also just graduated from design to improve a little. Welcome you to download!

一个用各种加密算法给文件加密的Delphi例子。为了减小文件size把执行文件去掉了。D7下编译。-A full example that encript a file with many motheds.You should sompile it under D7.

md5加密算法，适用于linux开发环境。-md5 encryption algorithm applied to linux development environment.

文件加密的过滤驱动程序，适用于大部分的文件加密软件-File Encryption filter driver, applies to most of the file encryption software

This program encodes and decodes a character using the Vigenere Square method

电子邮件指定地址海量发送，包含Base64加密算法-Send mass e-mail address specified, including the Base64 encryption algorithm

VC做成的MD5的算法工具，可以学习一下-VC made the MD5 algorithm tool to study the

这是密码学的一个常用算法rc1628，对于学习密码学很有帮助啊。-This is a cryptographic algorithm used rc1628, learning cryptography helpful ah.

字符串加密 -String encrypted string encryption