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Yeah but my concern was about direct leakage not brute force. That's what Spectre is about.
by mehrdadn 7y ago
Yeah but my concern was about direct leakage not brute force. That's what Spectre is about.
- the8472 7y agoOh yeah, but the temporal sparseness doesn't just apply to the symmetric memory encryption key. The most important part is that it also applies to the asymmetric host keys, which are the actual thing one wants to have protected. prekey -(hash)-> memory key -(decrypt)-> host private key
- repolfx 7y agoI think the assumption is the symmetric key can be stored in AES-NI registers that aren't susceptible to RAM based side channel attacks?