des加密算法的增强版key的长度比以前多

CRC 32 Source Code for Visual Basic

DES完全自己实现！能对输入字符串或者选定实现CBC，CFB-1,-8,-64等模式。算法自带有效率检测函数，运行结束显示系统效率。此源代码完全胜任课程设计，就算是毕业设计也只需进行一点改进。欢迎大家下载!-DES to achieve fully their own! Able to enter the selected string or the realization of CBC, CFB-1,-8,-64, such as model. Efficient detection algorithm own function, run the end of display system efficiency. This source code fully qualified for curriculum design, even if it is also just graduated from design to improve a little. Welcome you to download!

loki加密算法-loki encryption algorithm

windows lm 加密 des 加密算法-LM encrypt

大数计算器，有加减乘乘方求余求逆 可用于密码学的课程设计。-Large Number Calculator, there are more than addition and subtraction by inverse involution for cryptography can be used for curriculum design.

LZW编码是围绕称为词典的转换表来完成的。这张转换表用来存放称为前缀(Prefix)的字符序列，并且为每个表项分配一个码字(Code word)，或者叫做序号。这张转换表实际上是把8位ASCII字符集进行扩充，增加的符号用来表示在文本或图像中出现的可变长度ASCII字符串。扩充后的代码可用9位、10位、11位、12位甚至更多的位来表示。

MD5算法封装类-MD5 algorithm Packaging Category

易语言MD5加密程序... 没什么好多说的了 看了就懂了-Yi language MD5 encryption ...... nothing to say the viewers a much better understand the

CRC算法与C语言

本代码实现了维吉尼亚密码，维吉尼亚密码是基于简单的凯撒密码改进而来的多表替换密码，代码简单，供交流学习使用。