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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 B7CC6C4332D for ; Wed, 17 Mar 2021 14:08:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71E6764F70 for ; Wed, 17 Mar 2021 14:08:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231627AbhCQOIQ (ORCPT ); Wed, 17 Mar 2021 10:08:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231631AbhCQOIF (ORCPT ); Wed, 17 Mar 2021 10:08:05 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BB16C06175F for ; Wed, 17 Mar 2021 07:08:05 -0700 (PDT) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=[IPv6:::1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1lMWqB-00045n-H7; Wed, 17 Mar 2021 15:08:03 +0100 Subject: Re: [PATCH v1 0/3] KEYS: trusted: Introduce support for NXP CAAM-based trusted keys To: Richard Weinberger Cc: Jarkko Sakkinen , =?UTF-8?Q?Horia_Geant=c4=83?= , Mimi Zohar , Aymen Sghaier , Herbert Xu , "David S. Miller" , James Bottomley , kernel@pengutronix.de, David Howells , James Morris , "Serge E. Hallyn" , Steffen Trumtrar , Udit Agarwal , Jan Luebbe , David Gstir , Franck LENORMAND , Sumit Garg , linux-integrity@vger.kernel.org, keyrings@vger.kernel.org, Linux Crypto Mailing List , LKML , LSM References: From: Ahmad Fatoum Message-ID: Date: Wed, 17 Mar 2021 15:08:01 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: a.fatoum@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-security-module@vger.kernel.org Precedence: bulk List-ID: Hello Richard, On 17.03.21 00:10, Richard Weinberger wrote: > On Tue, Mar 16, 2021 at 6:24 PM Ahmad Fatoum wrote: >> This series has been tested with dmcrypt[5] on an i.MX6DL. > > Do have this series also in a git repo to pull from? > I'd like to give it a test on various systems. Yes, please pull git://git.pengutronix.de/afa/linux Branch v5.12/topic/trusted-source-caam It includes these three patches on top of Jarkko's linux-tpmdd/master. >> Looking forward to your feedback. > > Thanks for working on this! David and I will have a closer look these days. Great. Here is a simple testing regiment that could help you getting started: # First boot DEV=/dev/loop0 ALGO=aes-cbc-essiv:sha256 KEYNAME=kmk BLOCKS=20 mount -o remount,rw / fallocate -l $((BLOCKS*512)) ~/loop0.img losetup -P $DEV ~/loop0.img KEY="$(keyctl add trusted $KEYNAME 'new 32' @s)" keyctl pipe $KEY >~/kmk.blob TABLE="0 $BLOCKS crypt $ALGO :32:trusted:$KEYNAME 0 $DEV 0 1 allow_discards" echo $TABLE | dmsetup create mydev echo $TABLE | dmsetup load mydev dd if=/dev/zero of=/dev/mapper/mydev || true echo "It works!" 1<> /dev/mapper/mydev cryptsetup close mydev # Second boot DEV=/dev/loop0 ALGO=aes-cbc-essiv:sha256 KEYNAME=kmk BLOCKS=20 losetup -P $DEV ~/loop0.img keyctl add trusted $KEYNAME "load $(cat ~/kmk.blob)" @s TABLE="0 $BLOCKS crypt $ALGO :32:trusted:$KEYNAME 0 $DEV 0 1 allow_discards" echo $TABLE | dmsetup create mydev echo $TABLE | dmsetup load mydev # Should print that It works! hexdump -C /dev/mapper/mydev -- 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 |