From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 22 Apr 2025 11:02:06 +0200 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 1u79W2-003z1X-2h for lore@lore.pengutronix.de; Tue, 22 Apr 2025 11:02:06 +0200 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 1u79W2-0000al-A8 for lore@pengutronix.de; Tue, 22 Apr 2025 11:02:06 +0200 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=uLws4Kt8X9Ql4qE/MkjGJFrba4BgPTuTsrolI1/Zw60=; b=TnJ+wgXer/TnCzK7P6zoynZyZq 927dcSMT86H/JkhjUkQO0OW5+gwPRhbCdcraDZNrtcx00GdRx8q9ZOOzEelUMQrbLRF9WkCb1XF74 mCmvRI9E2ZmEE4ojO+3oX9ezyyGwNGx13rAmdcgl9Xt1OwayzY0Uh5VvWr7WRcjzeg0iCJGeZ+xv8 Spy9GRt16nMnOZ1s5Ga1SP13A5lQyoPOzq6CdfNYION5ChoQMsKn+ZBE0JZC0sUW4Ivt1Q/q/vNBK pqS5pkNMryVFXyiOni9R03kn+OnBtspZ8eohBovEvv1jBzq8sEXy+j5h3iCcTi2WePd4pqItWJv/k tvUlqivQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u79VQ-00000006TB5-2o0W; Tue, 22 Apr 2025 09:01:28 +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 1u78wE-00000006IX5-3JTN for barebox@lists.infradead.org; Tue, 22 Apr 2025 08:25:08 +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 1u78wD-0006MS-EX; Tue, 22 Apr 2025 10:25:05 +0200 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 1u78wD-001WHL-0q; Tue, 22 Apr 2025 10:25:05 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1u78wD-00CbDo-0c; Tue, 22 Apr 2025 10:25:05 +0200 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum In-Reply-To: <20250417062152.3425911-1-a.fatoum@pengutronix.de> References: <20250417062152.3425911-1-a.fatoum@pengutronix.de> Message-Id: <174531030518.3002997.17543028074698864341.b4-ty@pengutronix.de> Date: Tue, 22 Apr 2025 10:25:05 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.12.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250422_012506_863918_630B75C2 X-CRM114-Status: UNSURE ( 7.88 ) 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=-5.4 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 autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH master 1/2] crypto: ecc: use HWRNG for random numbers 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, 17 Apr 2025 08:21:51 +0200, Ahmad Fatoum wrote: > The kernel's get_random_bytes provides random numbers suitable for crypto > purposes, while in barebox, we need to use get_crypto_bytes for that. > > This footgun needs to be fixed, but until we do, let's make sure crypto > code doesn't use a badly seeded PRNG. > > Fortunately crypto_ecdh_shared_secret is currently unused and this > doesn't affect any upstream users. > > [...] Applied, thanks! [1/2] crypto: ecc: use HWRNG for random numbers https://git.pengutronix.de/cgit/barebox/commit/?id=4532f50b8a8a (link may not be stable) [2/2] crypto: imx-scc: blobgen: use HWRNG for random numbers https://git.pengutronix.de/cgit/barebox/commit/?id=cc8b962b1dca (link may not be stable) Best regards, -- Sascha Hauer