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scottlamb
on Sept 7, 2018
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AVX-512: when and how to use these new instruction...
> If you have some piece of code in a different security context that conditionally executes a heavy instruction based on a decision made over some sensitive data, doesn't this provide a way to obtain information about that data?
Yes.
http://www.numberworld.org/blogs/2018_6_16_avx_spectre/
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Yes. http://www.numberworld.org/blogs/2018_6_16_avx_spectre/