This program encodes and decodes a character using the Vigenere Square method

用c++实现仿射密码，我是在DevC++中跑的，应该在VisualC++中也行-With c++ Achieve affine password, I was DevC++ In running, it should be in VisualC++ Also line

SHA 256 加密算法,比 MD5 更好的算法更好的算法,希望对大家有帮助-SHA 256 encryption algorithm, better than the MD5 algorithm better algorithm, we hope to help

base64加密算法源代码，比如现在的qq采样双层加密，其中外层加密就采用此算法-base64 encryption algorithm source code, such as the current two-tier encryption qq sampling, in which outer layer of encryption on the use of this algorithm

DES加密算法的实现和演示，具体算法见网上，程序中有注释-DES encryption algorithm and demonstrate the achievement of the specific algorithm see online, proceedings have Notes

加密pe文件源代码!一个非常好的加壳程序源代码!编译环境masm-pe document encryption source code! A very good worm source code! Build environment can

LDPC的编码和译码程序，运行可靠，主要是用于4G的编码使用。matlab编程使用，核心代码简单可靠

ＤＥＳ的Ｃ语言原代码，可以运行出结果的．-the C language source code that can run out results.

Internet ssl的加密软件-Internet ssl encryption software

RC5 algorithm document

Universal Asynchronous Receiver