From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 09 Mar 2026 08:51:04 +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 1vzVOJ-009fzu-1F for lore@lore.pengutronix.de; Mon, 09 Mar 2026 08:51:04 +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 1vzVOJ-000819-O3 for lore@pengutronix.de; Mon, 09 Mar 2026 08:51:04 +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:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=niD05egvMFSTk0/9clCxo0E974XHRldPrKJ5BTu6Woo=; b=QNwbniKd/H56Yt5AV3X/bI4wyR nnGOmC0Jb+yOJ9sobc2nb1xuC3r1htQNMqoejK7f4RYNQCY79Nnrs1NUjwOLE+71x9RkqgvZ92NVD jwp0lD0Fmf5Px3p6dlsrDB0K4VLI27OyPPqsV2c0LTzlNYazO6ojzX/g2wG8bQYp5rmdf4xd1XDSw yDhPjpJBb73R2GzVgc7YsGPFoNt950W9NBGTpDr7A7R1AA31e+2kFdwFCPPJB6+U6eWtrdwhxXDBE 6bphb1G9nOqz1bQUN1Fvr3RUYhsiBMuQRvl6dCoNLhFnYqLwwE5PVKevsVFVqa3r4LbK8wqtTYP07 WfKL0Qog==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vzVNz-00000006q52-2mvQ; Mon, 09 Mar 2026 07:50:43 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vzVNx-00000006q4g-0e40 for barebox@lists.infradead.org; Mon, 09 Mar 2026 07:50:42 +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 1vzVNu-0007wX-Bs; Mon, 09 Mar 2026 08:50:38 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vzVNs-004Uk9-2h; Mon, 09 Mar 2026 08:50:38 +0100 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vzVNu-00000002ujX-0TVF; Mon, 09 Mar 2026 08:50:38 +0100 From: Sascha Hauer To: Barebox List , =?utf-8?q?Ulrich_=C3=96lmann?= In-Reply-To: <20260306103812.1330722-1-u.oelmann@pengutronix.de> References: <20260306103812.1330722-1-u.oelmann@pengutronix.de> Message-Id: <177304263810.694706.16649903430014321885.b4-ty@pengutronix.de> Date: Mon, 09 Mar 2026 08:50:38 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260309_005041_193280_F3C77C4D X-CRM114-Status: UNSURE ( 7.20 ) X-CRM114-Notice: Please train this message. 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=-3.8 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH] i.MX: hab: always lock SRK hash after fusing 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 Fri, 06 Mar 2026 11:38:12 +0100, Ulrich Ölmann wrote: > The flag IMX_SRK_HASH_WRITE_LOCK has been present since the introduction of > barebox' hab command in [1], but only got its first user recently. Keeping SRK > hash locking optional is dangerous though: after programming the SRK hash, > leaving it writable allows later manipulations which can render a device > unbootable. > > Make SRK hash programming always burn the corresponding lock fuses on all > supported i.MX variants (IIM/OCOTP), and remove IMX_SRK_HASH_WRITE_LOCK. > > [...] Applied, thanks! [1/1] i.MX: hab: always lock SRK hash after fusing https://git.pengutronix.de/cgit/barebox/commit/?id=1f4d4a2b75b7 (link may not be stable) Best regards, -- Sascha Hauer