打包文件，VB源码，还好，值得学习和使用.

文件加密技术的程序-file encryption procedures

VC实现RSA算法的程序，好东西啊，vc6.0编译通过-VC to achieve RSA algorithm procedure, a good thing ah

LINUX下使用Ansi C编写的MD5消息散列算法-LINUX use Ansi C prepared news MD5 hash algorithm

ceaser转换文本加密技术-converting text encryption technology

Openssl & ActivePerl-5.8 & 编译要点说明,按照说明很容易通过编译，本人已经测试过，祝你好运。-Openssl ActivePerl- Compiler 5.8 points that can easily follow the instructions through the compiler, I have tested, I wish you the best of luck.

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.

椭圆曲线加密算法源代码，用VC＋＋编写，很好的东西-Elliptic curve encryption algorithm source code, using VC to prepare, good things

网络新手学习的好教程-Network novice to learn a good tutorial

Rijndael algorithm修正了CBC下BUG的版本(有源代码）工作在：D5。作者：Sergey Kirichenko。--Rijndael algorithm that has revised BUG version under CBC(with source code).It works in D5. author:Sergey Kirichenko。

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