一种通过判断网卡地址来控制软件使用期限的算法，简单有效。...

这个是大数的加法运算的程序，以数组为大数的承载来构成大数-this is the addition of large numbers of Operational procedures for the array of large numbers of carrying large numbers to form

RSA的程序代码-RSA code

数字水印技术的基本概念-A survey of Digital watermarking technique. It may an overview about watermarking.

SecurityLib一个user-rights系统控件，有很多功能，如口令加密等-SecurityLib a user-rights system of controls, there are many features such as password encryption

数据加密技术之几种算法 saeuro-1.03d.zip- data encryption technology several algorithms rsaeuro- 1.03d.zip

一个用移位思想实现的简单数据加密程序，因为不论是大写还是小写字母,其ASC码值都是按顺序排列的.故可以用相对应的ASC码值进行判断以及算法实现.-a shift ideology with a simple data encryption procedures, because both uppercase or lowercase letters, the value of ASC codes are arranged in chronological order according to the. It can be used to be the relative value of ASC code of judgment and algorithm.

密码学学习的C语言函数库――Miracl库。对密码学学习很有帮助-Cryptography to learn C language library- Miracl library. Very helpful for learning cryptography

可以执行的MD5源程序下载-implementation of MD5 can download source

一个免费实用的DELPHI AES 加密算法函数包及演示文件,给有需要的朋友-a free practical DELPHI AES encryption algorithm function package and demonstrate the documents to a friend in need

计算HASH值的C语言源代码，包括7种算法。-Calculated HASH value of C language source code, including seven kinds of algorithm.