CRC32检查

该程序是使用恺撒密码和transposotion密码。也许这个计划太简单了，但总比没有强。：V

从一个随机文件读取256字节数据形成数据区DArea，再应用洗牌法所给的方法生成0~255的一个全排列DTab。试分别写出"求DArea中全部数据经 （1）以DTab为S-盒； （2）以DTab为P置换 -from a random file read 256 byte data area DArea form data, re-shuffling in law application to the formation of 0 ~ 255 DTab a full array. Try to write were "seeking DArea by which all data (1) DTab S-boxes; (2) DTab replacement for the P

IDEA算法源代码-IDEA algorithm source code

c++的MD5类，简单好用，只需要包含进去，就能方便使用-c++ the MD5 class, easy-to-use, only need to include, we can facilitate the use of

数据加密的一个库：Crypto++，功能很多，接口完善。-A data encryption library: Crypto++, Features a lot of perfect interfaces.

用des算法加密文件的小程序，里面带有des算法和加密的程序，用vc编写-encryption algorithm used des documents small program with inside des encryption algorithm and the procedures used to prepare vc

这是MD5算法的 Asm 实现，代码效率高，-This is the MD5 algorithm Asm implementation, code efficiency,

UPXShell--源代码 （ASM版本的，及其高效精妙）-UPXShell- source code (ASM version, and its efficient exquisite) [

MIME base64 简单的编解码,主要用于学习之用-A simple MIME base64 encoding and decoding.

this about cryptography. takes text as input and decrypt it and then aagin in plane text-this is about cryptography. takes text as input and decrypt it and then aagin in plane text