几个链接可以帮助您实现这一目标-

如何为您的软件生成(和验证)CD密钥 [使用简单的序列号/激活密钥对保护软件 [

A couple of links that may help you achieve this -

How to Generate (and Validate) CD-Keys for your Software[^]
Protecting Your Software Using Simple Serial Number/Activation Key Pair[^]