防止应用软件扩散的有效方法

An Effective Method of Avoiding Applied Software Diffusion

介绍一种能保护好程序的硬加密和软加密相结合的方法，对安装软盘、硬盘主引导记录、系统软件及应用软件等进行处理，并结合关闭软驱和打印机的方法，控制软件的扩散。

The paper introduce a method of combining cipher hardwares with cipher softwares.This method can carry on the treatment for installing the floppy,harddisk main boot record,system softwares,applied softwares and combine those with the method that interrupts floppy driver and printer,and so that software diffusion can be controlled.