On 8/2/20 1:19 PM, John Pierce wrote:
One of the things that bugs me about PKI trust chains like this, what
happens if the unthinkable happens, and Microsoft's RootCA gets compromised
and has to be revoked... does that mean every single piece of UEFI
hardware  out there needs a BIOS upgrade?


Yes.  They'll be vulnerable to malware signed by the old CA until they're updated.

That's better than systems without a PKI trust chain, which are vulnerable all of the time.


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