SHa1,经典加密算法,时代之骄傲

delphi6写的CRC32的加密算法。 另有付加例子程序-Delphi6 CRC wrote the encryption algorithm. Another example of pay increase procedures

加密系统使用维吉尼亚密码系统MATLAB界面编程，-Virginia password encryption system using MATLAB interface system programming,

置换代换密码体制的S-P盒的发生器，能随机产生S盒和P盒，用于置换代换密码体制的加密解密-replacement substitution Cryptosystem S-P boxes of generators, can generate random boxes S and P boxes for the replacement substitution Cryptosystem encryption and decryption

用ASP实现基于数据库的网页加密-ASP web-based database encryption

DEC的实现，快点下啊-the realization quickly under ah

将小于32位的码字用1011编程循环冗余码！ 并且可以检验已编好的循环冗余码是否正确！-Will be less than 32-bit code word to use Cyclic Redundancy Code 1011 programming! And can be tested has been a good cyclic redundancy code is correct!

这是一个好用的MD5的C++类；这个类可以加在控制台 程序中也可用在MFC中， 并且提供了详细的错误处理 函数，是一个安全的类。例程是一个MD5的MFC程序， 支持字符串和文件两种输入。-This is an easy to use the MD5 of the C++ Category this category can be added to the console program can also be used in MFC, and it provides a detailed error handling function, is a safe type. MD5 is a routine procedure of MFC to support the two input strings and documents.

用vb实现的文本加密算法-used to achieve the text encryption algorithm

快速去除PDF密码设置，不用安装，直接使用-Quick removal of PDF password settings, do not need to install, direct use