md5算法，实现给一个512bir数据块加密，程序有详细的注释，

老外写的加密库cryptlib(版本3.1)-foreigner to write encryption for cryptlib (version 3.1)

将其他文件隐藏在BMP图像中！好-other documents hidden in BMP image! Good

rc5-cts 模式的实现源码,与RFC中的实有所不同-RC5- ctc-source model of achievement, and the RFC is different

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.

凯撒加密，用java实现 非扩展算法，C=M*K，有加密和解密两步-Caesar encryption, using java to achieve non-expansion algorithm, C = M* K, have a two-step encryption and decryption

关于NSEA算法的一个小程序-NSEA algorithm on a small program

Simple steganography program written in Python. The program writes and reads information to/from 24 bits bitmaps.

DES加密算法C语言实现，我以将它成功的移植到Nios处理器上-DES encryption algorithm C language, I would like to be transplanted to the success of the Nios processor

CPU序列号和MAC地址获取函数,适用广泛-CPU serial number and MAC address access function, the application of broad

RC4算法的Asm实现，实现效率高，可以很方便的用到工程中去-Asm achieve RC4 algorithm to achieve high efficiency, can be very easy to use project to