这是密码学的一个常用算法TWOFISH128，对于学习密码学很有帮助啊。...

2的16次幂正整数d与n，编写计算d-1 (mod n) 的程序； 2、对于三个不超过2的16次幂正整数a、e与n，编写计算ae (mod n) 的程序。 在上述程序基础上写出下列程序： （1） 对给定的10000以内数判定其是否为素数； （2） 进行ElGamal体制的加密与签名。 -two of 16 power-positive integer d and n, calculate the preparation of d-1 (mod n); 2. For not more than 2 3 16 Powers positive integers a, e and n, calculate the preparation ae (mod n) procedures. In the above procedure to write on the basis of the following procedures : (a) the right to 10,000 within a few judging whether a prime number; (2) ElGamal encryption and signature.

shs加密源程序-29-57 encryption source

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此小程序是MD5的加密算法，里面有详细的注释！-This small program is MD5 encryption algorithm, there are detailed notes!

分组密码算法,可用于文件加密 该算法设计者是著名的华人密码学家来学嘉教授-Block cipher algorithm, can be used for file encryption algorithm designed by the famous Chinese cryptographer to Xuejia Professor

DES加密算法的实现和演示，具体算法见网上，程序中有注释-DES encryption algorithm and demonstrate the achievement of the specific algorithm see online, proceedings have Notes

这是一个获取ACCESS 数据库密码的强悍软件, 适用于ACCESS2-This a password access to the Access database software intrepid apply to ACCESS2

用Universal Extractor做绿色软件-Universal Extractor to do with the green software

Base64编解码程序-Base64 code/decode program