一个使用des加密传输的unix下的login程序的服务器端和客户端

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.

base64解码编码c++的，我找了好久才找到的-decoding base64 encoding c, and I look for a long time to find the

应用背景在这篇文章中，我将介绍一个简单的源代码，让您的数字签名PDF文档和修改它的元数据。我会用优秀的 自由港；iText  ；图书馆：itextsharp，可以下载 ；这里。你需要2008个视觉工作室能够打开和建设该项目。关键技术itextsharp提供了很多有趣的功能，创建和操纵PDF文件，但在这篇文章中，我们将只使用数字签名功能。我也会用一些功能来操作# PKCS 12证书。你唯一需要知道的是，我们的数字签名将使用从蛋白提取私钥# 12证书。

PB使用MD5加密,可以有效解决PB开发中登录密码使用明文的问题-PB using MD5 encryption, can effectively resolve the PB Password development issue of the use of explicit

产生随机加密字符串,可用于产品的标识及权限控制等功能的实现上-randomly generated string encryption can be used for product identification and access control functions in the realization

this DES made by verilog

1、 实验要求：用高级语言编写求自由距离的程序-1, the experimental requirements: high-level language used for the preparation of the procedures from the Freedom

几个密码算法的源代码，不知道有了没有~~ 下的人多了就继续上传-Some source programs of encryption arithmetic.I don t know whether it is always existed or not.I will upload it if a lot of people have downloaded.

RC2算法源代码-RC2 algorithm source code

自己写的一个Vigenere加密算法．不用多说了吧，值得收藏，特别是对于初学者．-I have written a Vigenere encryption program by myself.Out of question,it is worth to be collection especially by the beginner.