This code is for encrypt a String using Vignere method.

这是一个编程开发用的AVI的播放器对初学者有启发作用-This is a programming using AVI player for beginners instructive role

应用背景基于java的自定义文件加压解压，拥有比普通压缩包密码更方便更保险的加密程度关键技术通过更改了文件数据写入顺序起到加密效果，如果不用相应的解压程序解压的话会使得文件无法读取

小巧快速的加密文本文件的工具，采用RC4算法，支持256个字符长度的密码，-compact rapid text file encryption tool, using RC4 algorithm, support 256 characters in length of the password,

OPT一次性动态口令验证算法。根据动态支持TOTP和HOTP验证。-A one-time dynamic password authentication algorithm OPT. According to dynamic support for TOTP and HOTP authentication.

完整的EVRC压缩解压缩算法源码,附带一个简单的例子程序。-EVRC complete source compression decompression algorithms, with a simple example program.

Proguard是强大的Java字节码混淆器，含有源代码，可以根据自己需求修改编译。满足自身需求。 也可以作为爱好者自学的好材料。

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程序使用C++展示相当强的XOR加密。 当它unencrypting文件时，包括EOF验错和自动侦查。程序很好被提供并且做在串类建立的好用法。-Program Uses C++ to Demonstrate A Fairly Strong XOR Encryption. Includes EOF error checking and automatic detection of when it is unencrypting a file. Program Is Documented Well And Also Makes Good Use of the Built In String Class.

LZW算法基于转换串表(字典)T,将输入字符串映射成定长(通常为12位)的码字-LZW algorithm is based on converting Series (dictionary) T, the input string mapping into fixed-length (usually 12) the code word

c环境下的md5加密程序-c environment of md5 encrypted