[Cryptography] Speculation considered harmful?

John Gilmore gnu at toad.com
Mon Jan 15 02:16:33 EST 2018


Why are we discussing random failed computer architectures like VLIW on
a cryptography mailing list?

Fixing the Meltdown & Spectre attacks doesn't require tearing down all
of computing and starting over -- no matter how much the cranks and
losers of the architecture wars would like it to.

It just requires fixing a few implementation bugs (like always stop
speculating when you get a memory fault).  AMD and ARM already got it
much closer to correct than Intel did, and presumably all of them will
improve on this in the next generation of chips, in the same way that
they have installed hardware to eliminate Rowhammer.

	John


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