rijndae算法的VC++实现，封装较好、代码简洁。（常用的AES算法）-rijndae algorithm VC++ implementation, packaging good, code clean. (Commonly used in AES algorithm)

RSA算法源码，包括大数运算，代码整洁，很有参考价值-RSA algorithm source code, including the operation of large numbers, the code clean, a good reference

DES加密解密算法，对文件加密解密，在Visual C++的开发环境下运行，程序美观整洁-DES encryption and decryption algorithm, encryption and decryption of files in Visual C++ development environment to run the program clean and beautiful