基于MFC的界面，设计了四种加密算法，外加B-M算法，这是偶自学MFC之后的第一个作品，希望对大家有所帮助，同时很乐意大家能提下宝贵的意见。-Mfc based on the interface. design the four kinds of encryption algorithms, and b- m, and this is a mfc after studying the first, i hope to be very happy to help you to the valuab