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References: In-Reply-To: Resent-From: "amano.kenji" Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Sat, 19 Oct 2024 01:40:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 72457 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: "72457@debbugs.gnu.org" <72457@debbugs.gnu.org> Received: via spool by 72457-submit@debbugs.gnu.org id=B72457.1729301976785 (code B ref 72457); Sat, 19 Oct 2024 01:40:02 +0000 Received: (at 72457) by debbugs.gnu.org; 19 Oct 2024 01:39:36 +0000 Received: from localhost ([127.0.0.1]:40606 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1t1yRM-0000Cb-0c for submit@debbugs.gnu.org; Fri, 18 Oct 2024 21:39:36 -0400 Received: from mail-4319.protonmail.ch ([185.70.43.19]:31601) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1t1yRH-0000CI-Ky for 72457@debbugs.gnu.org; Fri, 18 Oct 2024 21:39:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=ia5uyffgffcvjinrtpg2facm4m.protonmail; t=1729301941; x=1729561141; bh=0ZpN2Me16dkRKcUkrrR9QMG5TOpwpMguAkT9xO1EHAU=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=CP5nWNFtU3PaBDqptMYvUaAPbpFnXIFTUwHxQLzJN5Bv+eADpXelXvP3YsADvhosq UACgZm1wp5jUyQdevAF1aNnzQ3c88za2wVlwLoYAheqiND8C7Hqz3p0X9cp+mYd2W4 5rvL60Uh/strPx/0Z8SCnY32kIndzZfwrbqytxGOAypzWJY9Qet1eJz9NXCRlZAR9V r+I+fmqdRD+thvM8dlI0CcyvVCumbcBFSk8sGw5EtlDNePuUy6YynIFlWW7id5Eb6Q XmKNiEas3QSkb21Wpn3PIEUw/d0bBUW80IERDtb1VJcfh/jFbxkWtDTzA2TS6mCehQ rxXLhC7VIMcIA== Date: Sat, 19 Oct 2024 01:38:57 +0000 Message-ID: <-ZnVsRQoDXtB_IpBR9YwBXpsMpnCiBbczTHaBvJKegaScwZksAka5dFoWC1mBtRgSijM4A6d_gDPWXbk-QiG_CYakQ3HloJUsMe9e_t-pS8=@proton.me> Feedback-ID: 48725158:user:proton X-Pm-Message-ID: bf8a58f0e6b01cdeb384a42651c4842a2c2b9994 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: "amano.kenji" X-ACL-Warn: , "amano.kenji via Guix-patches" From: "amano.kenji 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-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: 0.49 X-Spam-Score: 0.49 X-Migadu-Queue-Id: 0DCBE80F13 X-Migadu-Scanner: mx12.migadu.com X-TUID: X5RNjfz7AWKy https://slimbootloader.github.io/security/verified-boot.html says > A hash function is used to create a digest during build and saved as part= of the image which is then used to compare against the digest computed dur= ing boot to make sure they are the same. The digest calculated during build= and saved as part of the image is trusted as its part of the trust chain. > This method is used to verify components for which the digest can be comp= uted during SBL build time. > Signature verification > This method of verification is used for independently updateable componen= ts like configuration data, IP firmware blobs, OS images, etc. I wish this rewrite of bootloader subsystem allows the possibility of verif= ied boot which doesn't have to be implemented now. Just make it possible to= run services whenever there are changes to /boot.