基于MD5的密码变换储存的登陆校检demo，登陆密码是经过MD5算法变换后存储于内存中，程序代码中看不到MD5算法变换前的原密码。VS2013编译。-MD5-based password change stored checksum login demo, login passwords are MD5 algorithm after conversion is stored in memory, the program code is not seen in the original pass