base64的解码Ｃ语言实现

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。-This is a cryptographic algorithm used TWOFISH128, learning cryptography helpful ah.

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,

后工具烘干机烘干就 鬼画符规划覆盖 -tools dryer sheets drying on the planning coverage plans cover sheets

利用VC来实现一个简单的DES加密程序，他能完成DES算法的全部步骤，不过只能使用64位密码对64位明文进行加密-VC to achieve a simple DES encryption program, he can finish all the DES algorithm steps, but only use 64 to 64 passwords expressly encryption

用Visual Studio 2003编的文件加密程序，能对文件进行二进制读入，再和密码做异或，保存。版本一-Visual Studio 2003 for use of file encryption program, can read a binary file, and then do XOR and password, save. Version 1.0

md5 算法的纯c版本。方便移植到各种嵌入式小型设备不支持c++的环境-md5 algorithm with pure C version. Easy to transplant it to systems using only C, but not C++

文件加密，可以对任意文件进行加密-file encryption, to arbitrary files can be encrypted

playfair的源代码，很简洁，跟网上现存的版本有所差异，但是效果是很不错的。-playfair source code is very simple, with the existing version of the web is different, but the effect is very good.

DES 加密算法的VHDL和VERILOG 源程序及其TESTBENCH。-VHDL and VERILOG sourcecode and TESTBENCH of DES encrypting algorithm

关于NSEA算法的一个小程序-NSEA algorithm on a small program