From patchwork Tue Mar 9 09:10:44 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: 396880 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=-15.8 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,USER_AGENT_GIT 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 24991C43332 for ; Tue, 9 Mar 2021 09:12:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0701165149 for ; Tue, 9 Mar 2021 09:12:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230070AbhCIJL4 (ORCPT ); Tue, 9 Mar 2021 04:11:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230045AbhCIJLc (ORCPT ); Tue, 9 Mar 2021 04:11:32 -0500 Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com [IPv6:2607:f8b0:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 846D0C06174A; Tue, 9 Mar 2021 01:11:32 -0800 (PST) Received: by mail-pg1-x530.google.com with SMTP id p21so8346235pgl.12; Tue, 09 Mar 2021 01:11:32 -0800 (PST) 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=e6FOS+NacLfH/xWKXxkeAAl8YYsBU2mL4UMX6ikAkgoSs8yPJVmUIHx4/QxTYE7fw0 w1ZHyv2GTZ/sZH0ktGLEAcY9a6ElhPgegk3vcOiSJ59PQbnGcuBEFKe6ix5bDKH60vTd ohs2TH4haNKwYDw8GY3L6JlMx2FWPsr52kbeGiLqCmYqEL/tp+s3Bpyh9FblH9Ba6dKs lEcuLqrhCNP20MShXa2M3UJkt387aYsqSMbnTFOQv8I4leMji6uZ/F5vPbZ8P7XG0qf5 nDMdjI6r3ElkvoHfOay4uOTrV+d41TqT/cdppn1HaCzE5kO+KET84M7lFqb0X0/pCkdh e9yA== 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=aqn6uIwCULQHA4eeUsSf0Yzbh95pNyTABmcMFNW9y1TDsZA4lo4nABTTcpDL7242ar i9q32839fBhhElCQ+YYFxwQdKMDk1aDJ0Jg5PXWh6l85xwruqC4g8ep9HCO6tYJqWNDg o/c3942p+bh0EYXWSYFPE1DWAls9kS6Ej+Bz3ZnhMLWdwX8KCrjRST+hCXEqPYzJNMSV XGcsiuqV/WtSVFBYS0dcY2FNf9PwO1Yp/mHSMfAP+MJ6IyBVpkUwjLKrR4m54xrtFmzH bbzd3PFqi41gJeYq2gxloSuJn/thK7buf3ZXmYfzdogp07vL9rSfIeLm+Pdq+sWdu+jE ca+Q== X-Gm-Message-State: AOAM530MFH+ZI9WPCasY6G7wkwgiznCgQmCxav0iVhfoMurWXjDaxgnh j6Yt5JJHsdtML1diiAUc/Bw= X-Google-Smtp-Source: ABdhPJy79MblW78n0Euz3R9cSKXRk+Qbo1KkS1pr1AsyVwJFY6AjUqYDYZLO4jOyJPm0b9F9vDFHYw== X-Received: by 2002:a63:c0a:: with SMTP id b10mr24874934pgl.251.1615281092137; Tue, 09 Mar 2021 01:11:32 -0800 (PST) Received: from linux-l9pv.suse ([124.11.22.254]) by smtp.gmail.com with ESMTPSA id js16sm2094860pjb.21.2021.03.09.01.11.30 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Mar 2021 01:11:31 -0800 (PST) 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: Tue, 9 Mar 2021 17:10:44 +0800 Message-Id: <20210309091044.2298-5-jlee@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20210309091044.2298-1-jlee@suse.com> References: <20210309091044.2298-1-jlee@suse.com> Precedence: bulk List-ID: X-Mailing-List: linux-crypto@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.