[Cryptography] Did Spectre help torpedo Qualcomm?
huitema at huitema.net
Sun Sep 30 00:57:06 EDT 2018
On 9/29/2018 9:55 AM, Florian Weimer wrote:
> * Henry Baker:
>> I wonder if the server chips Qualcomm developed were hopelessly
>> haunted by Spectre?
> I find that extremely unlikely. There is a point (regarding cost or
> power efficiency) at which most customers would stop caring. The
> whole zoo of issues is now largely perceived as a software problem
Except Spectre is not really a software problem. Check the paper in ACM
"C Is Not a Low-level Language"
in which David Chisnall explains the rather large distance between what
programmers believe they are writing and what is actually executed. Spectre
is an attack on that interstitial layer, a layer that software does not
bugs that software can hardly fix.
-- Christian Huitema
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