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A comment on New x86 micro-op vulnerability breaks all known Spectre defenses.

Re:New x86 micro-op vulnerability breaks all known Spectre d... by druud62 on Saturday May 01, 2021 @06:21AM (#27005027)
The CPU needs to make the overheard signals look just like random noise. A cheap XOR-stream (compare 2FA like Google Authenticator, or the remote in your car keys) should cover that.
[ Parent | on HN ]
Re:New x86 micro-op vulnerability breaks all known Spectre d... by vletal on Saturday May 01, 2021 @06:27AM (#27005068)
Well, some of these attacks exploit the actual values present in the memory, not their stored representations. Therefore it would not matter how you encode them on the way, right?
[ Parent | on HN ]