Re: [PATCH v7 06/12] platform/x86/intel/ifs: Check IFS Image sanity

From: Borislav Petkov
Date: Mon May 09 2022 - 12:56:41 EST


On Mon, May 09, 2022 at 04:51:56PM +0000, Luck, Tony wrote:
> The checksum is just a "did this file get corrupted check". The file contains
> SHA256 checksums for each of the chunks. These checksums are digitally
> signed. Checking of these is done by microcode when the file is loaded into
> BIOS reserved memory (where it is inaccessible to OS and I/O).

That sounds like something I was hoping to hear, good. :-)

Thx.

--
Regards/Gruss,
Boris.

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