Jasper Spit wrote:
> Hi,
> 
> The following scenario. I'm running a company that sells software.
> When selling software to a new client I create a certificate for
> that client and sign it using my company's root certificate.
> The software in turn on startup checks if the client's certificate
> was signed by my company, by matching it against root.pem which
> contains my company's cert. However, when the client alters the
> root.pem, or creates its own CA and puts that one in root.pem,
> all will be lost :) Is there any way to bypass this ? Has anyone
> done a thing like this before ?

More times than I care to remember.

You could embed the root cert (or even pubkey) in the software...
You could require that it contact a license server...



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