30位CFS加密源码,简单的实现了CFS加密，有注释-CFS

-设置试用期30天程序，如果用户试用程序，则程序只允许试用30次，到期程序将自动提醒用户注册。-- Set the 30-day trial program, if the user trial program, the program only allows for 30 times, due process will automatically alert the user registration.

VBS MD5加密算法代码 Private Const BITS_TO_A_BYTE = 8 Private Const BYTES_TO_A_WORD = 4 Private Const BITS_TO_A_WORD = 32 Private m_lOnBits(30) Private m_l2Power(30) m_lOnBits(0) = CLng(1) m_lOnBits(1) = CLng(3) m_lOnBits(2) = CLng