From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79314C4363C for ; Wed, 7 Oct 2020 10:51:03 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A645520870 for ; Wed, 7 Oct 2020 10:51:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Xi/oKY4p"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="cPmVZRUw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A645520870 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject: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=JuhhmJxLW2T1VdkUyBqrwKwsEDfkcgfSmxVDjvAho94=; b=Xi/oKY4pR2MHAc+u3JKpLuzzN 3rdMnsDtB7iKWqf/q7oN5mrA12lP5X33foVd5iXIXWyosiB4GUBmipuzmEXqqaWRbBUVlIzQM3dnQ BUBuFfN8tM+Xo7IXOrBiPkeBi3ZLKj0FwXIL+sRAMCuyGEsJzP7U/WMuIiowJRU91RKnYPJOtq2La TsDAyaJkatA59LyIs7fQhRV3dfAa7owFfQm8h7evYMaL30GKJqt4rhmfnPzva0pInWh5qX+nveUWe jwQnNbCy9fkAoFfezinb2HSJhJX5kK452JgGND0zZ/eo/xJYWzQqlicscx+UOX395k6EZSmaNRdmd pN/kuZluQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQ70z-0006ot-RF; Wed, 07 Oct 2020 10:49:45 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQ70x-0006o8-6r for linux-arm-kernel@lists.infradead.org; Wed, 07 Oct 2020 10:49:43 +0000 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C902C20870; Wed, 7 Oct 2020 10:49:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602067782; bh=1wuWrBxTStM0az/awlDUjLP9jEWZ5Wpim0mWksWSOUA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cPmVZRUwByaoivWI1uqYU7zS5g9j5p/qV2QRVTG29W6uwF5tMLyYP3nNpY1J4NUTX 7JMG/znA/bnbXIHJWikzQM73gt6MQd5pa/TdAklZizIUrmK5f7cYYxo0S/43gypMtr +jKrye872fH2qRyuYsmcN8LAF434DjiLsK9L6arg= Date: Wed, 7 Oct 2020 11:48:38 +0100 From: Mark Brown To: Andre Przywara Subject: Re: [PATCH 2/2] arm64: Add support for SMCCC TRNG firmware interface Message-ID: <20201007104838.GA5030@sirena.org.uk> References: <20201006201808.37665-1-andre.przywara@arm.com> <20201006201808.37665-3-andre.przywara@arm.com> MIME-Version: 1.0 In-Reply-To: <20201006201808.37665-3-andre.przywara@arm.com> X-Cookie: Two heads are more numerous than one. User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201007_064943_317745_A55B57D8 X-CRM114-Status: GOOD ( 13.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Lorenzo Pieralisi , Catalin Marinas , Richard Henderson , linux-kernel@vger.kernel.org, Sudeep Holla , Will Deacon , Ard Biesheuvel , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============6850494943318685727==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6850494943318685727== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="wRRV7LY7NUeQGEoC" Content-Disposition: inline --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Oct 06, 2020 at 09:18:08PM +0100, Andre Przywara wrote: > The ARM architected TRNG firmware interface, described in ARM spec > DEN0098[1], defines an ARM SMCCC based interface to a true random number > generator, provided by firmware. > This can be discovered via the SMCCC >=v1.1 interface, and provides > up to 192 bits of entropy per call. Reviewed-by: Mark Brown --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl99nQUACgkQJNaLcl1U h9ALVAf/RE8cMKM1nbggP3489Btap0JuTt7uhwVRspEJ7WG/WHEeSWvW6tTQZhCf A+HVamghoOcekfVOT9QFFiN1Z8WdMsXcFOkmdAb6IonVGL7qz+d3f47wbjk2LnE6 Fucf5tZ3VKJ0FePTC3CkFu3zPnJYqGtEi5DX0krnTWy3hXDcVk+KeJsaK4g9VUak Jh6YZvzVbZPgtvN06klk30W40cN1mFTpuiF+vx/tjh24cAkOZ0hSwNAzsd0ZxyMO DYA5stPpUTa9WDqPTura3byuDUvhwWy7Xktb//zC6aJcg1bCoblr8x/SNbXNgeHu 3X8l7zZx0VwsECUOUe9jqc5bh2Lh2Q== =QBrs -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC-- --===============6850494943318685727== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6850494943318685727==--