a sample algorithm of rsa in langage C

各种反分析软件的手法,包括(反Dede,反单步跟踪,反SoftICE,Ollydbg,反静态分析,以及程序自身的CRC32效验等,对于初学者有很大的帮助.-Analysis of various anti-software approach, including the (Anti-Dede, anti-single-step tracking, anti-SoftICE, Ollydbg, anti-static analysis, as well as procedures for their own well-tested, such as CRC32, for beginners and has a great help.

对软件进行加密限制，以防止末经诃可的随意拷贝-right software encryption restrictions to prevent the end by sending copies to be arbitrary

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。

idea3a,idea3b,idea3c加密算法-idea3a,idea3b and idea3c encrypting algorithms

基于Blowfish加密算法的文件加密源程序-Blowfish encryption algorithm based on the source file encryption

目前企业面临的计算环境和过去有很大的变化，许多数据资源能够依靠网络来远程存取，而且越来越多的通讯依赖于公共网络公共网络（如 Internet），而这些环境并不保证实体间的安全通信，数据在传输过程可能被其它人读取或篡改。-currently facing the enterprise computing environment and past a great change, many data resources to be able to rely on remote network access, and more and more dependent on public communications networks public networks (such as the Internet), which environment is not a guarantee of the security entities communications, data transmission possible by other people read or tampered with.

一个文件加密的例子-Example of a file encryption

JAVA加密算法之一-JAVA encryption algorithm

JAVA开发的，使用RSA,MD5开发的简单数字签名软件，可以用来对文件和消息做数字签名。 -JAVA development, the use of RSA, MD5 developed a simple digital signature software, can be used for documents and information to do a digital signature.

一个3des算法的库文件和使用库文件的例子- A 3des algorithm storehouse document and use storehouse document example