加密系统使用维吉尼亚密码系统MATLAB界面编程，

This program is free software you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.-This program is free software you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

3DES encryption utility

md5加密算法源代码-The source code of MD5 encryption algorithm

StreamSec Security Library含有多种算法的控件-StreamSec Security Library contains a variety of control algorithms

IBM的MARS加密算法-IBMMARS

密码学程序设计---仿设密码-password procedures designed fake password---

介绍如何对共享软件加密。针对菜鸟！文档！-how to share encryption software. Against a birdie! Document!

MyMD5.DLL及测试代码(详见附件)-MyMD5.DLL and testing of code (see Annex)

这个是一款不错的文件加密软件，能让你的隐私文件受到严密的保护．-this is a good document encryption software that can make your documents to be subject to stringent privacy protection.

TEA介绍及数据加密算法之程序代码-TEA presentation and data encryption algorithm of the program code