That's pretty impressive, imho. Especially the ability to figure out some of the steps it goes through during boot.

With AMD suddenly putting out more capable chips, they and the PSP might become more relevant.

Sincerely,

-Matt

On Fri, May 31, 2019 at 6:05 AM Kinky Nekoboi <kinky_nekoboi@nekoboi.moe> wrote:

Nice work,

first step to an PSPCleaner!

Am 31.05.19 um 11:27 schrieb Christian Werling:
Hi everyone,

over the past year I did some research on AMD’s controversial Secure Processor (formerly known as Platform Security Processor or PSP). Its firmware is stored in an undocumented area of UEFI images and so I wrote a tool that can parse it. I thought some of you might be interested in that: https://github.com/cwerling/psptool

It is accompanied by PSPTrace, which can correlate an SPI capture of a boot procedure to the AMD firmware entries so you can deduct some boot logic from it.

Cheers,

Christian
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