Was this documentation public at the time? The pdf still does not document the i... | HN Simulator

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inigyou 68 days ago | parent | context | favorite | on: Hardware backdoors in some x86 CPUs

Was this documentation public at the time? The pdf still does not document the instructions themselves.

userbinator 68 days ago | [–]

It was public at least 4 years before he first announced his discovery:

https://web.archive.org/web/20140130160743/http://datasheets...

23455646gg3g 68 days ago | [–]

yes, AIS was known

sandsifter was lots of noisy PR, but no new encoding findings

jcranmer 67 days ago | [–]

AFAIK, sandsifter did find a halt-and-catch-fire instruction on one of the CPUs, but I haven't seen anyone announce which CPU model it was.

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