From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms9.migadu.com with LMTPS id 2HuOGLOAa2T1HwAASxT56A (envelope-from ) for ; Mon, 22 May 2023 16:48:19 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id SJR5GLOAa2RvgQAA9RJhRA (envelope-from ) for ; Mon, 22 May 2023 16:48:19 +0200 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 272FC15586 for ; Mon, 22 May 2023 16:48:19 +0200 (CEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q16pQ-0004ct-Eq; Mon, 22 May 2023 10:48:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q16pO-0004cg-Ve for guix-patches@gnu.org; Mon, 22 May 2023 10:48:03 -0400 Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q16pO-0008AH-Jx for guix-patches@gnu.org; Mon, 22 May 2023 10:48:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1q16pO-0003Qc-5z for guix-patches@gnu.org; Mon, 22 May 2023 10:48:02 -0400 X-Loop: help-debbugs@gnu.org Subject: [bug#63637] For boot-time signature checks (aka "secure boot") References: <41233051ac8124b990c601fcfe7abdbf35b4e916.1684736552.git.felix.lechner@lease-up.com> In-Reply-To: <41233051ac8124b990c601fcfe7abdbf35b4e916.1684736552.git.felix.lechner@lease-up.com> Resent-From: Felix Lechner Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Mon, 22 May 2023 14:48:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63637 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: 63637@debbugs.gnu.org Received: via spool by 63637-submit@debbugs.gnu.org id=B63637.168476682512981 (code B ref 63637); 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Mon, 22 May 2023 07:46:58 -0700 (PDT) X-Gm-Message-State: AC+VfDzxs2j0FJijKQNUo2xe1A7+U6DvpqbFOkPSxwOFPV6BDuHYbtqN terrTXFEYIyB2ijgXVjZwOYyLv4L2mLrRj2Ojbo= X-Google-Smtp-Source: ACHHUZ6mgzvTaVRtogsHvh0uJl58QcbTVEiv/J8pyKDSJ76nlaFWJJHfCsFDdPBj4CZ9IMIm92U0PqcBSezSv++mQeo= X-Received: by 2002:ac2:4c49:0:b0:4f0:74:61a0 with SMTP id o9-20020ac24c49000000b004f0007461a0mr4011253lfk.0.1684766816945; Mon, 22 May 2023 07:46:56 -0700 (PDT) MIME-Version: 1.0 Date: Mon, 22 May 2023 07:46:20 -0700 X-Gmail-Original-Message-ID: Message-ID: Content-Type: text/plain; charset="UTF-8" X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Felix Lechner X-ACL-Warn: , Felix Lechner via Guix-patches From: Felix Lechner via Guix-patches via Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: guix-patches-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN ARC-Seal: i=1; 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bh=nIwcdTUG45lS8ahySqrwxEb46S9iNaZMrD9KvioddfQ=; b=WKsPUUdAXYN5QTxvJD1YhO4VGljBikhJde0bmdvNjHwwW8ET5LJ8lsfusXV9F8H2lNOHFT yImgkR7vfrX0Ry6E9gql1qlr4enJgYtKSn9Qd7cOuq0Ic1hJHGa+ye/3WCAzi4l0Pvmyyu pkB26lONlt3Bv9wtw4a2ygIQziIMN/ag1BfmRKbjn4KhmOKCJHWPusfCQEvGJXiYNHCz+z A3cY2ZNylqQuMxbYCQKfox1e8zMx8zASZ5ja65XBTi9dOMM//Lq8q+esXykwddgUWVVMYv ZGDWeCCJEP1aAFyhbxChUMkfcmixvIHvwNqP9ZfBSW+qr1exSZM58SnBAMNYSA== X-Migadu-Spam-Score: -2.41 X-Spam-Score: -2.41 X-Migadu-Queue-Id: 272FC15586 X-Migadu-Scanner: scn0.migadu.com Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=lease-up.com header.s=2017 header.b=fNoAWTtB; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org" X-TUID: 21rrmGwg6l4J 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