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Miller" , Ben Boeckel , Malte Gell , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/4] Documentation/admin-guide/module-signing.rst: add openssl command option example for CodeSign EKU Message-ID: <20201126065826.GH31356@linux-l9pv.suse> References: <20201125072653.15657-1-jlee@suse.com> <20201125072653.15657-5-jlee@suse.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Originating-IP: [124.11.22.254] X-ClientProxiedBy: HK2PR02CA0205.apcprd02.prod.outlook.com (2603:1096:201:20::17) To VI1PR04MB7102.eurprd04.prod.outlook.com (2603:10a6:800:124::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-l9pv.suse (124.11.22.254) by HK2PR02CA0205.apcprd02.prod.outlook.com (2603:1096:201:20::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.20 via Frontend Transport; Thu, 26 Nov 2020 06:58:35 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: cb0de80b-aacc-4a5a-af00-08d891d8b34b X-MS-TrafficTypeDiagnostic: VI1PR04MB6061: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3826; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 8r5fIvPRhAEioqW0Zbdz0zFPtD6lRHjQEy+NerALoFSgrTrhiwDONa4un38M1n43rY8MsGG7MzUqzshcQTPCHMHttKZpmVM+SQlNehN3b7rHf1DOGXXtEve8+K2V5ZUMRudCHlKmJ5qxR6wFAX0ILNvK5TGeqFCxVwG+8yEYO1EnwOekbEe/jBs/1IA/Ua0n3QZURsaj+IFR4l/nANLbE3cESvj+1g1ccWcyJqGHW/rKOsal3shba16YQWv7gVNcNRtzkrxefWs+Wtgeg77BE8sRKAjkq5XDVUtJcLRSfyIdMMEjfimatXmsJYov+alFWeT5PfIQvYY6Wg9Tk2dvIE0T1gw/kbAnpID/+Q4pdqmCtu0e9mH6lNiYgtLWP/cE X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR04MB7102.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(39860400002)(366004)(376002)(136003)(346002)(396003)(8886007)(2906002)(83380400001)(7696005)(52116002)(86362001)(6666004)(8676002)(1076003)(36756003)(5660300002)(54906003)(186003)(26005)(66556008)(478600001)(55016002)(66476007)(8936002)(9686003)(316002)(66946007)(956004)(7416002)(6916009)(4326008)(33656002)(6506007)(53546011)(16526019)(43062003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: suse.com X-MS-Exchange-CrossTenant-Network-Message-Id: cb0de80b-aacc-4a5a-af00-08d891d8b34b X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB7102.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Nov 2020 06:58:38.4390 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: eTFictZzpvryeI6Eh4XoVUX3k4YbHeuB+BH77umaauWKyIFfMJcHkio7/7ouMPyW X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB6061 Precedence: bulk List-ID: X-Mailing-List: keyrings@vger.kernel.org Hi Randy, Thanks for your review! I will update it in next version. Joey Lee On Wed, Nov 25, 2020 at 09:25:51AM -0800, Randy Dunlap wrote: > Hi-- > > On 11/24/20 11:26 PM, Lee, Chun-Yi wrote: > > Add an openssl command option example for generating CodeSign extended > > key usage in X.509 when CONFIG_CHECK_CODESIGN_EKU be enabled. > > is enabled. > > > > > Signed-off-by: "Lee, Chun-Yi" > > --- > > Documentation/admin-guide/module-signing.rst | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/Documentation/admin-guide/module-signing.rst b/Documentation/admin-guide/module-signing.rst > > index f8b584179cff..bc184124d646 100644 > > --- a/Documentation/admin-guide/module-signing.rst > > +++ b/Documentation/admin-guide/module-signing.rst > > @@ -170,6 +170,12 @@ generate the public/private key files:: > > -config x509.genkey -outform PEM -out kernel_key.pem \ > > -keyout kernel_key.pem > > > > +When ``CONFIG_CHECK_CODESIGN_EKU`` option be enabled, the following openssl > > is enabled, > > > +command option should be added for generating CodeSign extended key usage in > > +X.509:: > > + > > + -addext "extendedKeyUsage=codeSigning" > > + > > The full pathname for the resulting kernel_key.pem file can then be specified > > in the ``CONFIG_MODULE_SIG_KEY`` option, and the certificate and key therein will > > be used instead of an autogenerated keypair. > > > > > -- > ~Randy