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How to use Crypto++ to create a license key manager (generator and checker)?


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I would like to know how most of the software developers create their own licensing key system.

I would like to create my own one for my software application.

I believe it is something related to cryptography.

As I am already using Crypto++ library in my application for MD5 and SHA1 hashing, I would be happy and thankful if someone with expertise explain to me how to do it.

NB: I mainly use C++ in my coding.

Also, I need it to be related to a hardware number obtained from a USB connected SIM card in the format of 123456789, so the end-user will only send me that number and I will send him back the license key.


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