From: Felix Lechner via Guix-patches via <guix-patches@gnu.org>
To: 63637@debbugs.gnu.org
Subject: [bug#63637] For boot-time signature checks (aka "secure boot")
Date: Mon, 22 May 2023 07:46:20 -0700 [thread overview]
Message-ID: <CAFHYt56Grj3181AywViDGPEj6PTmkxQFaLPwQXf9m1zCGJ28QA@mail.gmail.com> (raw)
In-Reply-To: <41233051ac8124b990c601fcfe7abdbf35b4e916.1684736552.git.felix.lechner@lease-up.com>
Hi,
I should have mentioned that the programs can help analyze the TPM 2.0
event log that shows the hashes of so-called Option ROMs. After the
Microblows keys are removed, such embedded firmwares (including,
possibly, on video cards) will only run after their hashes were
enrolled. Not doing so can soft-brick a device.
Kind regards
Felix
next prev parent reply other threads:[~2023-05-22 14:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-22 6:27 [bug#63637] [PATCH] gnu: tpm2-tools: New variable Felix Lechner via Guix-patches via
2023-05-22 14:46 ` Felix Lechner via Guix-patches via [this message]
2023-07-01 11:15 ` Nicolas Goaziou
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