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lima
on March 5, 2020
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Intel x86 Root of Trust: Loss of Trust
Internal TPM is more secure for attestation. You can MitM the LPC bus with an external TPM, faking PCRs.
gruez
on March 5, 2020
[–]
>You can MitM the LPC bus with an external TPM, faking PCRs.
not an issue if it's on-die, as the parent suggested.
lima
on March 6, 2020
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You are right, of course. My bad!
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