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by eqvinox 1097 days ago
> FWIW I'm pretty sure this is how Microsoft does it. Verifier is in userland and signs programs post-verification.

Almost. Yes the verifier is in userland, but it doesn't sign things — it's a trusted component of the system, there's no need for a signature on this step. It simply says "OK". But the verifier itself is covered by the usual system integrity mechanisms.

1 comments

I see, thanks.