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=-5.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 79488C19759 for ; Thu, 1 Aug 2019 06:51:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 25B7A206A2 for ; Thu, 1 Aug 2019 06:51:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="k/Ov70xr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25B7A206A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2nMUOoxqrgVd8RHt5i2EMOG6tz8h6Zk9vcZRA9Lt/Wk=; b=k/Ov70xrQn2PP7 cqyQmKfbFKxtsHZhNfkQDH/AsXG4uamcO9GSh4xYigpeoo+Iq9B11eGjDZg+yAIN8zdFy+qEc6iRv O8Xc1+JRejHktj/js+BMKog0F0Ii3R/s6GJ8OarPTIPNqrhRYXqQRprUZ2ORE1NZQy+sL3uVitZk2 A7NC5RfvVs89b5Hrlmu9XEaRsz4LqIVBvSiJbVrC2PsnmKRVdrUSpYh5RujR/o/HpFPmgWwoFxhqy De54gd2lzPBOZu4sta14bdestiN+6Dt3kTJ21XeBsZQJgqsUjYA7ZD8+o7Yh/A3mxzY3Nc14VXvqW +TYyEtc9895i3tJlR5Xg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1ht4vN-0000K6-2d; Thu, 01 Aug 2019 06:50:53 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1ht4vJ-0000Jk-KA for linux-arm-kernel@lists.infradead.org; Thu, 01 Aug 2019 06:50:51 +0000 Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=localhost.localdomain) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1ht4ux-0006ob-9h; Thu, 01 Aug 2019 08:50:27 +0200 Message-ID: <19d9be198619e951750dedeb4d0a7f372083b42c.camel@pengutronix.de> Subject: Re: [Tee-dev] [RFC v2 0/6] Introduce TEE based Trusted Keys support From: Rouven Czerwinski To: Janne Karhunen , Sumit Garg Date: Thu, 01 Aug 2019 08:50:22 +0200 In-Reply-To: References: <1564489420-677-1-git-send-email-sumit.garg@linaro.org> User-Agent: Evolution 3.32.4 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: r.czerwinski@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190731_235049_665130_7A21A93A X-CRM114-Status: GOOD ( 12.54 ) 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: Jonathan Corbet , Daniel Thompson , Ard Biesheuvel , jejb@linux.ibm.com, Linux Doc Mailing List , Linux Kernel Mailing List , Jarkko Sakkinen , "tee-dev @ lists . linaro . org" , linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, Mimi Zohar , dhowells@redhat.com, Casey Schaufler , linux-integrity@vger.kernel.org, linux-arm-kernel , "Serge E. Hallyn" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 2019-08-01 at 09:36 +0300, Janne Karhunen wrote: > On Wed, Jul 31, 2019 at 5:23 PM Sumit Garg > wrote: > > > > I guess my wording was wrong, tried to say that physical TEEs in > > > the > > > wild vary massively hardware wise. Generalizing these things is > > > rough. > > > > > > > There are already well defined GlobalPlatform Standards to > > generalize > > the TEE interface. One of them is GlobalPlatform TEE Client API [1] > > which provides the basis for this TEE interface. > > I'm aware of it - I have implemented a large part of the GP TEE APIs > earlier (primarily the crypto functions). Does the TEE you work with > actually support GP properly? Can I take a look at the code? AFAIK Sumit is working with the OP-TEE implementation, which can be found on github: https://github.com/op-tee/optee_os Regards, Rouven _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel