产品密钥如何工作？ [英] How product key works?

问题描述

大家好，



我在某处读到产品密钥和应用程序许可基于某些加密算法（RC4，SH-1）。我有对此有疑问，如果我使用产品密钥01gh4657在一个系统中安装了一个软件，那么我尝试在具有相同产品密钥的另一个系统中安装相同的软件意味着它将显示产品密钥无效。设置如何检测产品密钥已在某些其他系统中使用过？

-Manuprasad M

Hi all,

I read somewhere that the product key and licensing of applications is working based on some encrypting algorithms(RC4,SH-1).I have a doubt regarding this, if I installed one software in one system using a product key say "01gh4657", then I try to install the same in another system with same product key means it will show "product key not valid". How the setup is detecting that the product key is already used in some other system ?
-Manuprasad M

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