有关欧几里德的扩展算法，非常实用，经测试好用

BP算法的C++类，输入输出全部采用文件格式，不用在运行的时候一个一个输入拉-BP algorithm C++ Category, input and output file format used, do not have a running time of an input pull

这是一个手机编程和邮件编程常用到的一个编码技术函数，Base64编码和解码动态库，支持字符串和文件的编解码工作。速度很快稳定，我的一些程序中用，现在发布。-This is a cell phone programming and e-mail program into a coding techniques commonly used functions, Base64 encoding and decoding of dynamic libraries, and documentation to support the string of codecs. Fast stable, I am using some of the procedures, now released.

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 ~ ~!

是用的美国标准的DES加密算法用C++编写的可以完成以内的字符垢加密-the United States is using the DES encryption standard algorithm with C prepared to be completed within the characters scale encryption

论Java加密技术与Windows的结合-On Java encryption technology and the integration of Windows

DES算法介绍　-DES algorithm introduced

sha256。256位的sha哈希函数算法，将明文进行散列加密处理。

著名的解Unix密码的源程序 -The source for cracking unix password

twofish的加密算法-twofish encryption algorithm

e-maill文件加密程序完整的源代码，使用LeapFrog2加密方法.zip-e-maill document encryption procedure integrity source code, uses the LeapFrog2 encryption zip