密码学实验中的DES算法，MFC实现，包含所有工程文件。-Cryptography DES algorithm experiment, MFC to achieve, including all engineering documents.

离散对数攻击算法 ,原先下载"在VC中编程实现密码学中Pohlig－Hellman算法的小程序-in VC Programming cryptography has Pohlig-Hellman algorithm for small procedures",发现有问题,修改完善后上传.