From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 15 Feb 2024 09:36:46 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1raXEc-007Cgw-1U for lore@lore.pengutronix.de; Thu, 15 Feb 2024 09:36:46 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1raXEb-0004Wl-SC for lore@pengutronix.de; Thu, 15 Feb 2024 09:36:46 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uT/AznUddMXnnZVceI9mWkiygcZDXGlmzf2ZM4+RCK0=; b=clgkuh8tPyIiZxVYRVD8E9LPFj nIUmnMjdmYK6HPA78/3gHPVXSWd1qndQqAEA7KvJRD+uiJO0hfEJKNqcJu+RtnRgRB2a4vlHX005L 1NH0gI0D262y4y7wpmPiFC7LUy2UCugluUnTIlFdrLW5wzUMu50lg+dQOhLqG7NdtXFuCMcNZAlr0 DfmpPuswxc7Sn4dpA2GXbvKBBt7pocaavpudK9vG6HLA9BoEKgmsXyIglFwsShs9Z3ydce7fraZYt Ctigfmo/6QcTPvt8Xkv//ZOGuPrgD9iIg4sJ7eT55Ai27WN5xaAM2JKgWmlGseTquU5uPDsWqOv3C jN7ohRdA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1raXE6-0000000FMpJ-1fOJ; Thu, 15 Feb 2024 08:36:14 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1raXE2-0000000FMnr-2qwF for barebox@lists.infradead.org; Thu, 15 Feb 2024 08:36:12 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1raXE1-0004RD-Dc; Thu, 15 Feb 2024 09:36:09 +0100 Received: from [2a0a:edc0:2:b01:1d::c5] (helo=pty.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1raXE1-000qfR-1E; Thu, 15 Feb 2024 09:36:09 +0100 Received: from sha by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1raXE0-009yHE-35; Thu, 15 Feb 2024 09:36:08 +0100 Date: Thu, 15 Feb 2024 09:36:08 +0100 From: Sascha Hauer To: Ahmad Fatoum Cc: Barebox List Message-ID: References: <20240213151744.307958-1-s.hauer@pengutronix.de> <718388d8-1540-4f45-9604-ae8e63cf986f@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240215_003610_749105_DA408E8C X-CRM114-Status: GOOD ( 30.30 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.6 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 0/6] implement i.MX93 AHAB secure boot X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Thu, Feb 15, 2024 at 09:29:38AM +0100, Ahmad Fatoum wrote: > Hello Sascha, > > On 15.02.24 09:17, Sascha Hauer wrote: > > On Wed, Feb 14, 2024 at 07:09:16PM +0100, Ahmad Fatoum wrote: > >> Could you make the signing inside the barebox build system optional > >> for HAB? Then we could have a prompt symbol that depends on HABv4, e.g. > >> CONFIG_HAB_SIGN_IMAGES or something and disabling that would require > >> external signing like for AHAB. I think this would improve user experience > >> a fair bit, because HAB and AHAB could be handled the same build-system > >> side and it would be easily discoverable in Kconfig that one supports > >> sigining internally and the other doesn't. > > > > Originally it was a design decision to integrate the signing into > > barebox. I wanted to make barebox self contained and not depend on > > external tools to generate images. > > I am not sure though if anyone really builds signed images without > > the help of a build system. So I had the same thought as well if we > > could let the build system do the signing also for HAB. I haven't looked > > into it what it takes to implement that. One point where it gets > > difficult is our special trick to create signed USB images. We handle > > the DCD table in imx-usb-loader to setup DDR and disable DCD in the > > image. To make that work with signed images we sign an image which > > has the DCD table disabled. > > I am not asking that you implement in-barebox signing for AHAB, rather > that you make it optional for existing HAB, so they can be handled the > same if needed. Yes, I understood that. > Now that you just had AHAB in your hands, it should just > be a finger flexing for you, right? ;) Thanks for the flowers ;) Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |