Received: by 2002:a05:6a11:4021:0:0:0:0 with SMTP id ky33csp832611pxb; Wed, 15 Sep 2021 14:31:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxeUr7BjccYCESUypymDHhzFhjr0qGR2weH/v93pHhXSZ9TvQIl4L84zozFFv3FQIIXKTBF X-Received: by 2002:a17:906:410c:: with SMTP id j12mr2284356ejk.161.1631741463116; Wed, 15 Sep 2021 14:31:03 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1631741463; cv=pass; d=google.com; s=arc-20160816; b=znpHfxMeYI7QbJdyLRAoLyJcSZjkBa6njfxRVTf53ToeekJhyMM7Is1dgXQzWFtCy5 q85hekGU1ILdMTXK2GkXqBSjmUJ54h/JiVBiQREATv+DL0Z5xyTPuqJCMNVeAFHAwXr4 l7Shy+oJo09aeOYDuwtC2xPibvXms6XyCe93FkJM3NYo6mejjxAVmntVzHVmiekfzvkP ncT2VbQdNcUappQBfS32kOyNyv60IwykSldsUTzxbr46DnMTUZUCaDK3Zgg6xVZ9GFBh lGuQhYVEicLRafKygObEk3wMloV0WKDlArkG/hZMu54FHE/qcEzz1GX45GLhu4UxdmkW 5cPg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:to:references:message-id :content-transfer-encoding:cc:date:in-reply-to:from:subject :dkim-signature:dkim-signature:dkim-signature; bh=wgtXPA8ZC3QIKQVQbMROxms0QAK+Q9d1ANOFkH/AHms=; b=y4/nihm9TcIFdCO1MMfR5IDWwIDbxfUipNTpnycX6YmFX+cZo1R5HJnHxX82niKTfN xVvs1IKLS8NctLvoANUDHSSALaqOImgcbkfx1hIJxlO1sw1K1NTdfu7U22rV8bi+UanY 0nY6P/AkuUvXRz304Eiu27L2C79g0B/gP1cUvkhREK3ZqRv1zw4vhLnjVuIiQTcz5nm5 jkfR+5j4HopjfuDyNuQBSqStweHCtgquSXUztC8kj5yVO4QC59mGXRZyinbn87b9Eghm qjvWBeQS/UMqWWKqCqiPQ5Txt5NTSZTHcday/T+1FXqqet1ecOINhSsGFusN4AmXWveH gboA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2021-07-09 header.b=OPnOFHyv; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=sJs3SBsP; dkim=pass header.i=@oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=W9SNuLnb; arc=pass (i=1 spf=pass spfdomain=oracle.com dkim=pass dkdomain=oracle.com dmarc=pass fromdomain=oracle.com); spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j21si1204736edq.15.2021.09.15.14.30.29; Wed, 15 Sep 2021 14:31:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2021-07-09 header.b=OPnOFHyv; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=sJs3SBsP; dkim=pass header.i=@oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=W9SNuLnb; arc=pass (i=1 spf=pass spfdomain=oracle.com dkim=pass dkdomain=oracle.com dmarc=pass fromdomain=oracle.com); spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232208AbhIOVbA (ORCPT + 99 others); Wed, 15 Sep 2021 17:31:00 -0400 Received: from mx0a-00069f02.pphosted.com ([205.220.165.32]:1076 "EHLO mx0a-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232127AbhIOVa7 (ORCPT ); Wed, 15 Sep 2021 17:30:59 -0400 Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18FJxTJ2009459; Wed, 15 Sep 2021 21:28:53 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=content-type : subject : from : in-reply-to : date : cc : content-transfer-encoding : message-id : references : to : mime-version; s=corp-2021-07-09; bh=wgtXPA8ZC3QIKQVQbMROxms0QAK+Q9d1ANOFkH/AHms=; b=OPnOFHyvq9FZwukXChkuwD3jQk9tb16Ryl/t8zwVcSHnZztTLEj0s2Slq330n8fhu3X9 6n+g9hmGRxGz8nXUNtza1Z29mr7eydpZTTPw7oqxwSOhu75jBtzYgHMcMuyhzaq8eLI3 TxvMWg2daoyAGEWp9NNadz8Ki5hrI8iQb7/ByGU77kZxFzcFa95wccJkoyTxW4bePEoe iFaMLOLJV2459+jSSm2f9Z9oVPrcbsEvqHyQrD3mgTeKLkmVG4fCTQcL2RU7Zk1UsQUd l/H+QQzCljLKop4VN6kBoOcPwJTx61X1InKBM6wThSiQXhf8S7EO3yTR9MlXOYBDf6YO UQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=content-type : subject : from : in-reply-to : date : cc : content-transfer-encoding : message-id : references : to : mime-version; s=corp-2020-01-29; bh=wgtXPA8ZC3QIKQVQbMROxms0QAK+Q9d1ANOFkH/AHms=; b=sJs3SBsP7qNKuWF0i340ONjR5aBeqI4onmUADY0KbCEB0958tbWLhSxmuhSTuocuQrFM 2DOrOWqJoNPzFpVVINV9RZ4Kd1c4A0OKZhSgSxeRk9bkooO/4O3SFlAeLLam2ibFgYIB 8mjbW8A1rhFZ4tM4Nks7kcwoXvQ89JNyOyLMVaIvDKZYV8Yh0AnfJSIowMhXIp5NTh7q K/HQFBF5EJRmvMR363+Pkt7VllvSTGVPS8t4w4GjN4A/ht9VG8hSxsL3kOZdnAfQ0KRd AvWJrs+4Xhe82LbgyZNIMLOn9OTBJ73Rq8oF3uFlUfOj8FkwUTMKK1QtoSGf6g4v9ojC Vw== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by mx0b-00069f02.pphosted.com with ESMTP id 3b3jysh9vd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 15 Sep 2021 21:28:52 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 18FLKbFk165926; Wed, 15 Sep 2021 21:28:51 GMT Received: from nam11-dm6-obe.outbound.protection.outlook.com (mail-dm6nam11lp2171.outbound.protection.outlook.com [104.47.57.171]) by aserp3030.oracle.com with ESMTP id 3b0jgf6p9v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 15 Sep 2021 21:28:51 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bLtiJnXT/S+pUX0jKrnoEKH58FtRBcxdMfVgP0rcgK48+xeKzT3T/9M/gZ8/nYXBg9qZiRfI+8tE9sp23b5snBPuF23KJkMYhEwCYagTLnHRGpXr9vNL4GyKekZtmXNM/P0j5QapVqIKLzL6ueq6NP5bEh5EIfKRtamxl+FCQWSrPfoF6PM0E7hNnA2LzuN3MtmD6vcaYrXUPDg/H7fao8QiSM3zfdQ+zM1UdkH7iyCZX8Qu0KagdqO0YOmBgTANhVBf8Vg0t5jG0YwxtikDoGNZ5Et5/e45AkXZCwELeoxs8d63gwujcwfnb0XgzYj7jOCX/M1raUsmGXAL6zOgjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=wgtXPA8ZC3QIKQVQbMROxms0QAK+Q9d1ANOFkH/AHms=; b=DJSfaFTSM4c0ew2PIjTMY6d9yZfw8Z0d8SIRRqBSnBa4kzxAio25YIsF7+rgp3ns+CLJXPcKakJrCit5xyqPHRblMEy7yvb9F6MFi3BWIM8yKj0Fc+4OffvcweAeUyqb4fcOqHRT/E8VB8rM1MiT7xaf5CpGiy81/INN19hmUIddBeZXG23BirsNl+soUjtRZ6Fc4cSaEd3nuKuL6B39SWbohOLZmt3qKj6ldxvjcWB/50tlXWlMQCnIGZK9M0MWjkiCLkf4yuseJ0DtFYrY1rC5o9N4/OHY3QEcglpCbTGczhItJuXmSrBUINBxJdzf/jZY4GWhPRnYnTFZZTmGog== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wgtXPA8ZC3QIKQVQbMROxms0QAK+Q9d1ANOFkH/AHms=; b=W9SNuLnbl7uSEPutJeEah0Okw2p20VSNcf+1nyVEQD4I1jkXazb4pcwSNJQC/h8S1QZ5dthWootSUBQXocJ9tt5mN/vsl38mVjsYQVfNh9bjFSSNjW6a/m1RzEnD+YRH1LDsWVo1GdmE7kz2frAtXi9qe4nn0YPSmQ2RKkS9S10= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=oracle.com; Received: from MN2PR10MB4157.namprd10.prod.outlook.com (2603:10b6:208:1dc::18) by BLAPR10MB5362.namprd10.prod.outlook.com (2603:10b6:208:333::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.14; Wed, 15 Sep 2021 21:28:49 +0000 Received: from MN2PR10MB4157.namprd10.prod.outlook.com ([fe80::4cbc:9b8c:abfe:2a06]) by MN2PR10MB4157.namprd10.prod.outlook.com ([fe80::4cbc:9b8c:abfe:2a06%7]) with mapi id 15.20.4523.014; Wed, 15 Sep 2021 21:28:49 +0000 Content-Type: text/plain; charset=us-ascii Subject: Re: [PATCH v6 00/13] Enroll kernel keys thru MOK From: Eric Snowberg In-Reply-To: Date: Wed, 15 Sep 2021 15:28:39 -0600 Cc: keyrings@vger.kernel.org, linux-integrity@vger.kernel.org, zohar@linux.ibm.com, dhowells@redhat.com, dwmw2@infradead.org, herbert@gondor.apana.org.au, davem@davemloft.net, jmorris@namei.org, serge@hallyn.com, keescook@chromium.org, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, scott.branden@broadcom.com, weiyongjun1@huawei.com, nayna@linux.ibm.com, ebiggers@google.com, ardb@kernel.org, nramas@linux.microsoft.com, lszubowi@redhat.com, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-security-module@vger.kernel.org, James.Bottomley@HansenPartnership.com, pjones@redhat.com, "konrad.wilk@oracle.com" Content-Transfer-Encoding: quoted-printable Message-Id: References: <20210914211416.34096-1-eric.snowberg@oracle.com> To: Jarkko Sakkinen X-Mailer: Apple Mail (2.3273) X-ClientProxiedBy: SA0PR11CA0185.namprd11.prod.outlook.com (2603:10b6:806:1bc::10) To MN2PR10MB4157.namprd10.prod.outlook.com (2603:10b6:208:1dc::18) MIME-Version: 1.0 Received: from [IPv6:2606:b400:2001:91:8000::b8f] (2606:b400:8024:1010::17c6) by SA0PR11CA0185.namprd11.prod.outlook.com (2603:10b6:806:1bc::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.14 via Frontend Transport; Wed, 15 Sep 2021 21:28:44 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3e85c1eb-a4b5-4e38-9cab-08d9788fcea0 X-MS-TrafficTypeDiagnostic: BLAPR10MB5362: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: NjfbkeBoDJImlRkSddvN4koTiZx9rrvigucSQ35TQ2edRRFhNxqYzQukAjtdOvr20eSuAX/ikYuphyiL9uc9OEkrT73ZPjhnsr9bJhVkG+iWMVV3916Sh2tqFpjZbArSxEX/P+LBwyY6YwhTyAQvpg3HxUX0bKbzJDYcixt8AP5dkE1azZj9YXEFAHE6ZfzQ1LvfSHeRg6WdwykRn0hkVD0jgYUeh03cHej9RLXpAziOtRoHOYS2YCmm21zUP05j+QT2Q6k/kpmCu8WKo9yxDub0ImYAxPYqrHiJlXsDyrUvbbZvsEQIfXJmuA3HSCPRs5M7N/MOfxltmJ5LHKbPNmZpgPXwjc4TWaVC2EKPOUvFm7eIZ+dWTj9TNDqEr+x1np8zJ5TyaL1ZH+fTGLATX26KgIjf+FvKFSPKnhU+WnwDlBtzLCzQoSmRKYJndoV8U9MJe2mkfPdaE0wmnpPTY8FJW4vBtvZGs97kVn4q7+mCm879J7G59ZzbK7k1SO5NJXQ+hz1dsy7NrBcPeLfpK7c4IimYADpdLSCkewJBgQOkgQ5m8j4GhtkrbngxXCLqRhkCP6Ro7FPv7aSV68tG2p2Pw8sGcX1Bwkob9/LGWCNuOp3hI2sVqRYfc9YG5BgUlj56M9qCYeMTmA4c4+f7FpVPAzyz8yZ88w/1WyHrXEfrNi8rI3tnW3DidroDVmQUmZsohppGROe7diQ554SOWnpu3lKRiEMp9wwZkc/91DPHgSLawgiLuyY0AS6V8SOQwC2NGcPFVzAhGjinmpNBWh2TgkKq04Y9/Dv8HvCjv4gsJpZ4Ai7RQPD1eX5pF9NVsvhGR5clQTVtBnu3bpqXgQ== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN2PR10MB4157.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(396003)(136003)(366004)(376002)(346002)(39860400002)(83380400001)(33656002)(966005)(478600001)(52116002)(6666004)(6486002)(2906002)(86362001)(107886003)(2616005)(186003)(4326008)(8676002)(8936002)(316002)(44832011)(5660300002)(36756003)(66556008)(66946007)(66476007)(6916009)(53546011)(38100700002)(7416002)(45980500001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?S4bSIb3oQVDimH654MCzEzgD8FICX8LTz4xoZqmWPP8ETFAOLsJ4j/NInluk?= =?us-ascii?Q?LndJtcWa9PmDeB1wVQ2xV9VDpdy7oX91hy6D0Zq+OZrS9DNuN8wsd1bPPlhc?= =?us-ascii?Q?KThTGEEsmkPDTniYfh+nXZcXDP6KqF/qs/KtuQ+UStiIBHfBStzrYuvWSg6D?= =?us-ascii?Q?2NJi8+eN8y/YSk1mHbFGRWeYj+s0lgE+FONzvTNpItctxgs9gdXZLHpoibsw?= =?us-ascii?Q?5tSICDmU5hMD1kF+4372IMqTOKAjAgyHyMpRg52aUh1dwEXH2blH5h++ZgIM?= =?us-ascii?Q?621/6Vr7a9xly04PwTYu8O+VVy96FVz+E61ecqH4w0PalAcNUMa1uqelSFMl?= =?us-ascii?Q?RsrDrn/G8wE4TSLZBTB9b8FGgnKSe5cvtdYNkW3ZLYB6nLsNLPjM2jUlLJV2?= =?us-ascii?Q?WnlOaRJDgSN+PPcG7dJVXIxWPD6ixSvhePlSJAIjHEaay4KWusDIXoSl+yrW?= =?us-ascii?Q?1zUh9kc1M9KzXCMf93oNBxD8zMg8CjCaChV8QoeMnnHOBIis7LIqNb5pF4ZH?= =?us-ascii?Q?3zYMS/YKcknMvjcaSwG34l1k4TKB0gSLjXWbm/3no8hCrL4Y3KLs6Rtt8Gmo?= =?us-ascii?Q?el78JP+6DVXgY1EiP/SppBp3lLhkxUAq6BRd8PhmNzbTynY1Og5GoE9BeZMG?= =?us-ascii?Q?7doJwUw6lbe4w7C9pNyLU2xOC0BP2eYUQ5WGe7Gre2Mv4TwTP9WvLppWXwzS?= =?us-ascii?Q?MEPOoX15YZZm7w+xlJNoG0fcm4mWC1qUbtFyg/tyMpmanheANhYyD9EHzsGj?= =?us-ascii?Q?4CpHky75TSPdJk1+HKQcR7lxJvSNudappX5ej2xy9iG78W5oBh2J2VHub2SF?= =?us-ascii?Q?i47bljliY3aUG42ZOJsrPSSScIN7wVuPeg8JMVF6RcTAAsiU6dDTAlB5FskH?= =?us-ascii?Q?lKlUwWY1XfLlWnhfMiePPCilUIRjEEGYM5xfhZ4ziiy1CHrE9CEuTsSD9zaJ?= =?us-ascii?Q?v+WTurva92l2caEDUSsPw3zKrKuHuqkWFpAsYGVsxwcH05kKGtMlXrvWAQ3C?= =?us-ascii?Q?r7UxyM4Q5cstiuZrdSTJc0OzcmJMQTHuQlV/gV7NqFL+RF03lo4W/aUruJnK?= =?us-ascii?Q?8bX0wc+9Ln2QXlBtM3iINOBUtJJ85RAwl6uFgTrS+N9NE6IKwJf1lZ+YPIJ2?= =?us-ascii?Q?cCc3SWZVVLJRDqHDxwKeuvYy63Gn/cTYyHEo7KL+8ow7ls69/IRm+/sIm4qp?= =?us-ascii?Q?sEU3AJK0VY6cR6LCF9gzVMAzQhTUMWdrPQIULVYpDAyKeCYn/ojFs2h2PJW3?= =?us-ascii?Q?UuN1y5ygXdGCOg/Z1WRQ2zuxK2lPsCnvTgin4OkAUgPV+r7Xk8rGGUj1TDbK?= =?us-ascii?Q?waq2d9qzKC9K0hru81LTxZv9qmr9BGSFHWdr7fzRdLJAxA=3D=3D?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3e85c1eb-a4b5-4e38-9cab-08d9788fcea0 X-MS-Exchange-CrossTenant-AuthSource: MN2PR10MB4157.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2021 21:28:49.5011 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: KLgdzxy7M5gIQTMJQIFVnV3XFQt6sj8QbVblvVCeQsguHzwd2k6bDZ+vnutQmdXkmTtlQhHtKmdzARWTtuDI12A1q5BqzMa+xi3m0Oyk6WU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLAPR10MB5362 X-Proofpoint-Virus-Version: vendor=nai engine=6300 definitions=10108 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 bulkscore=0 spamscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109030001 definitions=main-2109150123 X-Proofpoint-GUID: TokkM_9nLXReEnly-k1dGbRS95gO7PQY X-Proofpoint-ORIG-GUID: TokkM_9nLXReEnly-k1dGbRS95gO7PQY Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org > On Sep 15, 2021, at 11:57 AM, Jarkko Sakkinen wrote: >=20 > On Tue, 2021-09-14 at 17:14 -0400, Eric Snowberg wrote: >> Back in 2013 Linus requested a feature to allow end-users to have the=20 >> ability "to add their own keys and sign modules they trust". This was >> his *second* order outlined here [1]. There have been many attempts=20 >> over the years to solve this problem, all have been rejected. Many=20 >> of the failed attempts loaded all preboot firmware keys into the kernel, >> including the Secure Boot keys. Many distributions carry one of these=20 >> rejected attempts [2], [3], [4]. This series tries to solve this problem= =20 >> with a solution that takes into account all the problems brought up in=20 >> the previous attempts. >>=20 >> On UEFI based systems, this series introduces a new Linux kernel keyring= =20 >> containing the Machine Owner Keys (MOK) called machine. It also defines >> a new MOK variable in shim. This variable allows the end-user to decide= =20 >> if they want to load MOK keys into the machine keyring. Mimi has suggest= ed=20 >> that only CA keys contained within the MOK be loaded into the machine=20 >> keyring. All other certs will load into the platform keyring instead. >>=20 >> By default, nothing changes; MOK keys are not loaded into the machine >> keyring. They are only loaded after the end-user makes the decision=20 >> themselves. The end-user would set this through mokutil using a new=20 >> --trust-mok option [5]. This would work similar to how the kernel uses=20 >> MOK variables to enable/disable signature validation as well as use/igno= re=20 >> the db. Any kernel operation that uses either the builtin or secondary=20 >> trusted keys as a trust source shall also reference the new machine=20 >> keyring as a trust source. >>=20 >> Secure Boot keys will never be loaded into the machine keyring. They >> will always be loaded into the platform keyring. If an end-user wanted= =20 >> to load one, they would need to enroll it into the MOK. >>=20 >> Steps required by the end user: >>=20 >> Sign kernel module with user created key: >> $ /usr/src/kernels/$(uname -r)/scripts/sign-file sha512 \ >> machine_signing_key.priv machine_signing_key.x509 my_module.ko >>=20 >> Import the key into the MOK >> $ mokutil --import machine_signing_key.x509 >>=20 >> Setup the kernel to load MOK keys into the .machine keyring >> $ mokutil --trust-mok >>=20 >> Then reboot, the MokManager will load and ask if you want to trust the >> MOK key and enroll the MOK into the MOKList. Afterwards the signed kern= el >> module will load. >>=20 >> I have included links to both the mokutil [5] and shim [6] changes I >> have made to support this new functionality. >=20 > How hard it is to self-compile shim and boot it with QEMU (I > do not know even the GIT location of Shim)? It is not hard, that is the setup I use for my testing. Upstream shim=20 is located here [1]. Or you can use my repo which contains the necessary changes [2]. [1] https://github.com/rhboot/shim [2] https://github.com/esnowberg/shim/tree/mokvars-v2