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gmueckl on Dec 14, 2018 | parent | context | favorite | on: UC Berkeley to build open-source secure enclave us...

If you do this, you weaken your device against hostile tempering as well, don't you? The key update mechanism becomes part of the attack surface.

excalibur on Dec 14, 2018 [–]

Yes, but if implemented in a secure manner the key update mechanism presents a smaller risk than that of a hardcoded key becoming known to an adversarial party.

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