DES与RSA算法的解析与推演。不是单纯理论的讲解，带着一些应用的角度让对密码学有兴趣的人能很容易理解略显深奥的密码算法。...

实现BASE64编码-achieve BASE64 encoding

CRC32 check

COBRA cipher algorithm example.

应用背景此库是C语言编写的MD5加密源代码，包含MD5.c,MD5.h,简介txt文件MD5.txt及一个测试代码testmd5.c.代码在ubuntu12.04服务器版本成功测试通过。关键技术Message Digest Algorithm MD5（中文名为消息摘要算法第五版）为计算机安全领域广泛使用的一种散列函数，用以提供消息的完整性保护。该算法的文件号为RFC 1321（R.Rivest,MIT Laboratory for Computer Science and RSA Data Security Inc. April 1992）。

DES(Data Encrypton Standard) 算法的实现网上已经有很多，本人在此讲述的是在DES算法加密过程中如何查看16迭代过程中生成的Ki,Li,Ri,Fi,Si等，这样可以当做一个DES加密对照器，这样可以方便的发现你在加密过程中出现的错误! -DES (Data Encrypton Standard) algorithm has been achieved online many, I would like to speak on is the DES encryption algorithm to see how the process 16 iterative process of generating Ki, Li, Ri, Fi, Si, etc., can serve as a control device DES encryption, this can easily find you in the process of encryption the mistakes!

ENIGMA3模拟WW II加密算法(含EXE文件)-ENIGMA3 simulation WW II Encryption Algorithm (including EXE)

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C语言环境下的AES加密算法，支持128位的AES加密。-C language environment AES encryption algorithm, support 128-bit AES encryption.

windows的加密api源码-windows encryption api source code

把信息隐藏到图片中，比加密更安全-hidden message to the pictures, more secure encryption