From patchwork Fri May 21 09:42:20 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: 12272643 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 E0C5FC43460 for ; Fri, 21 May 2021 09:43:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4D24613C4 for ; Fri, 21 May 2021 09:43:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237136AbhEUJpH (ORCPT ); Fri, 21 May 2021 05:45:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236992AbhEUJot (ORCPT ); Fri, 21 May 2021 05:44:49 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 347D6C06138A; Fri, 21 May 2021 02:43:26 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id n6-20020a17090ac686b029015d2f7aeea8so7045442pjt.1; Fri, 21 May 2021 02:43:26 -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=VbK2759OZmIs9Uj0BIE0/1K+PyTaHDk8/CI8o3Tw9RUf+sUBvzmx1RoZwmvicUB8w4 cWUL/ZsVw7vRAmJCvC4VhiNIsSJRQYYsikPH6qbaYHehkr0CRO3OKSWQxKmb6zy+k6jm jmZLloCR6zNCS2dzvfta5Jlm3frNi9a9FJnChKYfQXIYxFtdQHOhyNC4W+22ellojM20 Skq4dskAHXfBTFP6QuWtxAdAZbRnm6c/0uXkqiRgyKhoOkRcQpDO35mGSUT2woUaI93t pKaSEnyq6hnVfe6qP/aGIx9o4jpQaixTfGMp/HVZ2jqtXEZsvZeYRLHo+41MajnhD45k 4Njw== 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=Hicv8axTr9OQEE1po/qjDXs/KlQtNCvDljzxgnbxl19mCVKqeMSQPce5A/N69pp+KU heLewmoPvbGNfctNc0NCBHUq7RuGjb5l4ioluhOMgbK+/L6k0Z4shiK0c0KM82wBff+E GG1LWgiYdSJQR22jdrU7zznUx9mR6IQ7v7Ag5UnXHH8Eg35hXvsOtXqjKFZrlZx7rUal 0j0gOnO0GBfuJbee25IC6+Q1vZa3sLzBSGRove3aeIysifJNwgXq3YRm6QcQhmAFQpHL 6SUSjALEuNhY7lCvFveetAl+mBjiIx2z1TDnurQqw8EaaRuOIjNGfPrZFfJbg6AAq6Q/ sQNg== X-Gm-Message-State: AOAM530sIFIpxeVUG1J3gymBdiDRfjlKQGRTa0IOBagTSFBrGxpoC5aI nd395q21aRcd2wOrVDrToJg= X-Google-Smtp-Source: ABdhPJwhX4piJdAwEmZ+oCZlh/WxLpDJi8RzJnOuKqFfzfSMTnqDk3lxHJPub4ud5OefoN4ysVgZjw== X-Received: by 2002:a17:902:a3cd:b029:f3:d14:a17 with SMTP id q13-20020a170902a3cdb02900f30d140a17mr11232820plb.3.1621590205740; Fri, 21 May 2021 02:43:25 -0700 (PDT) Received: from linux-l9pv.suse ([124.11.22.254]) by smtp.gmail.com with ESMTPSA id g202sm4091931pfb.54.2021.05.21.02.43.22 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 May 2021 02:43:25 -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 , Varad Gautam , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, "Lee, Chun-Yi" Subject: [PATCH v7,4/4] Documentation/admin-guide/module-signing.rst: add openssl command option example for CodeSign EKU Date: Fri, 21 May 2021 17:42:20 +0800 Message-Id: <20210521094220.1238-5-jlee@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20210521094220.1238-1-jlee@suse.com> References: <20210521094220.1238-1-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.