From patchwork Fri Apr 9 02:46:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lee, Chun-Yi" X-Patchwork-Id: 12192869 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2982CC433B4 for ; Fri, 9 Apr 2021 02:47:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F1F90611CA for ; Fri, 9 Apr 2021 02:47:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233049AbhDICsC (ORCPT ); Thu, 8 Apr 2021 22:48:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232921AbhDICsB (ORCPT ); Thu, 8 Apr 2021 22:48:01 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEE6AC061760; Thu, 8 Apr 2021 19:47:49 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id g10so2017678plt.8; Thu, 08 Apr 2021 19:47:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=wB1I6Nqq7AfdRuGhioLL2RWvT/EvSUrtBmeOoGNpC4c=; b=m6llg1wz1AbvRLP0qKhVjJidA0yD+i4LsoBJ6TfkuD9vnR6jyqNnTzfVsq6VPlkZrm DQP64fvm6kJQkRWdrQptJbTtjnBz/4aL8GYABAvauNucff1sUg6/oS7Ya3O86ZmwpZkQ L1FBYM1A5reg1N0LbpjR13lI9uRIP6GrAXUjn4uWDEoac/5VuOUzgDbqwyE9FqxijXqp 6oiKv/s+v/xpPdivKYc38MX9O6CV6uq+44JjDRAkf0sWEsJ+DDPiY7HwYyO6t6Ke9JoM lhVh2OPTIVD3qEb+p5b/krUgqsPC2chn3LzRVYumb/lW60UFU319y21iTyORgVW4p1AK ErCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=wB1I6Nqq7AfdRuGhioLL2RWvT/EvSUrtBmeOoGNpC4c=; b=tTWT50owUosFLFQMY0jyabGt1nBmTOoiQSuWF3ZQpsmCVrhbXhn8ny33P5F7ck/ymN wF3pLp8S+TzyXrXS0iiBsJD57avghmTTiVA1hN24ZzhapSkzF3yEDz8bnjzD9JwpwPYf eNaMVxW/nLjcUUTr/5XHIIpxVwtIRrtlkbbit7hqSQQxxRqSh232wkgtaqWG/mG/t0Db yR//s1fSTMxb6MYNzrIpJQOwnI56D4JxEzbaWL2Kg7F3oVXlI9mSDVESedseYYTMbHrp xZKEQQ93fmggNqtWYRMnMv+0rTuuleKFt1ylMyKLnAsvlg36gfCcJ2W5w2DgBiOGZ2YK Ag0g== X-Gm-Message-State: AOAM531htF8ui6ot2nkRO/gxDAQGmMGChEJ5W7z1VNqjJKuPbIKg4PRI LzmADTfjEKvj1YjZA/rZdOk= X-Google-Smtp-Source: ABdhPJxUYDPGfXbWq6ZhgcPjptCXqH2cmifLVZBYRe/Vs49P/0+eEQ4Hxh/QRFDGUb/2TZdNZVPTvA== X-Received: by 2002:a17:902:b210:b029:e6:33b4:cd9e with SMTP id t16-20020a170902b210b02900e633b4cd9emr10575859plr.67.1617936469326; Thu, 08 Apr 2021 19:47:49 -0700 (PDT) Received: from linux-l9pv.suse ([124.11.22.254]) by smtp.gmail.com with ESMTPSA id d26sm665525pfo.162.2021.04.08.19.47.46 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 08 Apr 2021 19:47:49 -0700 (PDT) From: "Lee, Chun-Yi" X-Google-Original-From: "Lee, Chun-Yi" To: David Howells Cc: Herbert Xu , "David S . Miller" , Ben Boeckel , Randy Dunlap , Malte Gell , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, "Lee, Chun-Yi" Subject: [PATCH 4/4] Documentation/admin-guide/module-signing.rst: add openssl command option example for CodeSign EKU Date: Fri, 9 Apr 2021 10:46:56 +0800 Message-Id: <20210409024656.8083-5-jlee@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20210409024656.8083-1-jlee@suse.com> References: <20210409024656.8083-1-jlee@suse.com> Precedence: bulk List-ID: X-Mailing-List: keyrings@vger.kernel.org Add an openssl command option example for generating CodeSign extended key usage in X.509 when CONFIG_CHECK_CODESIGN_EKU 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 7d7c7c8a545c..ca3b8f19466c 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 is enabled, the following openssl +command option should be added where 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.