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A comment on Undocumented x86 instructions in Intel CPUs that can modify microcode. Parent comment

Re:Undocumented x86 instructions in Intel CPUs that can modi... by gruez on Friday March 19, 2021 @11:38PM (#26520629)
Yeah, although I didn't find the original paper. Reading into it more, they mention when AMD and Intel started signing their microcode.

>Note that Intel started to cryptographically sign microcode updates in 1995 [15] and AMD started to de-ploy strong cryptographic protection in 2011 [15].

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