From patchwork Tue Mar 23 03:55:21 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: 12156795 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 B86E2C433E4 for ; Tue, 23 Mar 2021 03:57:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 86C08619AC for ; Tue, 23 Mar 2021 03:57:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229944AbhCWD4e (ORCPT ); Mon, 22 Mar 2021 23:56:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229591AbhCWD4D (ORCPT ); Mon, 22 Mar 2021 23:56:03 -0400 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 C0D9BC061574; Mon, 22 Mar 2021 20:56:02 -0700 (PDT) Received: by mail-pg1-x530.google.com with SMTP id v186so10383240pgv.7; Mon, 22 Mar 2021 20:56:02 -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=UXpW9XC2NJqo7rfMeftU26YMoK90BHzqbUDDT4ow5DfNL2VY+06Rp3ATLnompDaf29 URFgJYp6bGlRdf6keBw/FE901PTen0GhQYjwTk6cy4jhT4xib/LgUOwWieEVhO+sJtL7 wjcrbxUunWkk7MzMd/JsGvObERbO7waXPGrN2rkh59FTQWf2/q55VYiah2Ck3m0jeLX+ mWZolC7MH7YNibNKr9zFS745BMoJvI2qHpEcJW0HSpidbJXDE13vn+g9EQ8+HsWFeReh VWEuC0VwGiSzjOMRF9Dc/tG5wFBK+tZKtdMiXsLcxP6bMfMKRHZ5W6V54dPVbcvgrxlh lsLA== 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=hDTDBoVlhOT+p8Kv9G13LcLJwLfgUo33jbbwT42YR1AbyqEUnvvaAJ97zNyF1C5p4o tq7P0LXBT//7uPi1T9o9QPWJpbJjaTPAkiSdafhy0mvFfUOC64uAU0WdiEkrpyAzhhur b+LDoEogVBLMgzoRbRIDh/ueBtHy2cdzZjOQbhr2sLQqQf3xW/sxFxMV4f6QwPMGHDgd b1K3Owxq6OSGOfnae3CVUOp3ii5QggHrQ5ZHQm5Zd4o+vzMkuscCq1mvYwXmnTiE+rH0 U3WVqirzOoMjXIEGuKWFA5e++jlR6eUNiyvdD9k7QgekVrPbaf5KF6NLi26zLEo3iqja OrGA== X-Gm-Message-State: AOAM531BJ1plwk544CD1S+mtxj68+7JJJNHz//SL/NpvI2hZuirsKkAr gKZNLAxze21Gzjz3FTiVPMU= X-Google-Smtp-Source: ABdhPJydHbGnZnMAt1icAGF5YoesfMt9wBbr8Fj49YkpN2/TMf4kipg460iug9SOSvZFlO4f3LGzeA== X-Received: by 2002:aa7:9910:0:b029:1f1:b41b:f95c with SMTP id z16-20020aa799100000b02901f1b41bf95cmr2960636pff.5.1616471762418; Mon, 22 Mar 2021 20:56:02 -0700 (PDT) Received: from linux-l9pv.suse ([124.11.22.254]) by smtp.gmail.com with ESMTPSA id z22sm14415630pfa.41.2021.03.22.20.56.00 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Mar 2021 20:56:02 -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: Tue, 23 Mar 2021 11:55:21 +0800 Message-Id: <20210323035521.5843-5-jlee@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20210323035521.5843-1-jlee@suse.com> References: <20210323035521.5843-1-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.