> Curious, can the instructions required to retrive the serial number be run
> from userspace?
i suppose so (of course only if it's not disabled). It's a variation of
CPUID, so i guess it can be. If you think about copy-protection, you
definitely want to 'embedd' and inline the querying in the protected
product as much as possible, which pretty much rules out system-call based
approaches.
-- mingo
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