本地生成注册码的简单工具代码。 主要包括注册码的产生和如何在自己的程序嵌入注册码的机制。 原理是根据本地网卡号和硬盘号联动产生的。-Local code of simple tools to generate code. Mainly include key generation and how to embed code with its own procedures and mechanisms. The principle is based on the local network