这是一个好用的MD5的C++类；这个类可以加在控制台

程序中也可用在MFC中， 并且提供了详细的错误处理

函数，是一个安全的类。例程是一个MD5的MFC程序，

支持字符串和文件两种输入-This is an easy to use the MD5 of the C++ category　this category can be added to the console program can also be used in the MFC and to provide a detailed error handling function, is a type of security. MD5 is a routine procedure of MFC, and documentation to support two types of input string