目前使用最广泛的软件保护方法，我们可以将其分为两类：依赖硬件的保护文案和不依赖硬件的保护方案。依赖硬件的保护方案主要有：软盘保护，加密卡保护，软件锁保护(俗称“加密狗”)以及光盘加密等，这些方案的共同特点就是保护措施都要涉及某一具体的硬件来实现，涉及的硬件可能是软件盘，U盘，光盘或者其它外接设备-At present, the most widely used method of software protection, we can be divided into two categories: dependent on the protection of hardware and do not rely on hardware copy protection program. Rely on hardware protection programs include: a floppy disk protection, encryption card protection, software protection lock (commonly known as　dongle ), as well as CD-ROM, such as encryption, a common feature of these programs is that protective measures should be involved in a specific hardware to achieve, involving The hardware may be the software disk, U disk, CD-ROMs or other external equipment