On Tue, Jan 09, 2018 at 03:50:23PM -0600, Dr. Greg Wettstein wrote: > > Everything going out of L1 gets encrypted. This is done to defend > > against peripheral like adversaries and should work also against > > meltdown. > > I don't believe this is an architecturally correct assertion. The > encryption/decryption occurs at the 'bottom' of the cache heirarchy. You are right and I was wrong. It is plain from L1 to LLC, which implies as you correctly described potential cache missing attacks in addition to timing attacks. /Jarkko
