From patchwork Mon Feb 22 06:42:51 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: 385882 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=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 C15FAC433E6 for ; Mon, 22 Feb 2021 06:44:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9379D64EDE for ; Mon, 22 Feb 2021 06:44:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230041AbhBVGop (ORCPT ); Mon, 22 Feb 2021 01:44:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230029AbhBVGoh (ORCPT ); Mon, 22 Feb 2021 01:44:37 -0500 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E737C061574; Sun, 21 Feb 2021 22:43:57 -0800 (PST) Received: by mail-pf1-x436.google.com with SMTP id b145so6001309pfb.4; Sun, 21 Feb 2021 22:43:57 -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=M1CBK07C46laJoyWYovF4lSgfEz56MEL8US4G4KcnR0=; b=VMN5tc4DR8o2nDN/b5KFvZqQa6duu77h7sBp5OmZ2ROJmMJVtJKZMpc9GHprk1jDHb ARN/Xf82uzfcaJdAHz/T4B+E2zuvrAo90wgUZG3Dld2wYmR6qqIR7z2r77JfUwca3UJY dFR3NNQosShszX7Znz7D1vysGEWDj7YwsJKFKAe+osnWMvYW5MWhiy/wfaKjaUNL5Xou tEsYM7mkvWZ2blnVtVAtemsQbZn9FMHy1w2ni/dBCw1Y+5dipyfkbxJPwz+fR429v1to /bL8TKN9onyiZDZefBqntXFS5G7dubbubE1pueIFhA/aL2cJTx46DxfBH7mxMDNPfiVV HbiA== 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=M1CBK07C46laJoyWYovF4lSgfEz56MEL8US4G4KcnR0=; b=kxfcIyafIRhKVB8aCGf/xRlymWB4qll1sRFNer9tQPqdV65RDljPZWvYdmQaVYN2tC f5c/t1upXkz0Q03Yc1oncD4AA43uA5RsJNnsZZc5KTXOSg+J51Ct8SGIX5kU3hBFUXYk PWxJ69dhQNyIX+OL2NyWY9a7tQH198M/qhxlX7OI1UVviwNfQhWAxL8bhFt4wYDnDeu6 cVPU4d1pq28lrWGerQkdftelAcRcGgXTloVsKcJQv8S0xcy4NvsR45sumVKI+G0Dx2Tu pOJUJlVAwFrtxb10ifrLvn9x7e9Xzrk/VUb6fvVFGv1hDTyXGTfs0wyubatnIW7Ky1kp wNCA== X-Gm-Message-State: AOAM533voAlIKS76gZIKdDDUJUHXAmALnUdB/bXOb/HO/11/h81d2mI/ wGXBLNBX0yMqZ8g45vJ+1Jo= X-Google-Smtp-Source: ABdhPJyqLaJut8n4jfDP5K19sjmiimEx9q9MGmuYnzLAtKKOKI8pG9AFY6QqZaKgUXolFrpGwmf/Og== X-Received: by 2002:a65:5c85:: with SMTP id a5mr10843098pgt.355.1613976236773; Sun, 21 Feb 2021 22:43:56 -0800 (PST) Received: from linux-l9pv.suse ([124.11.22.254]) by smtp.gmail.com with ESMTPSA id 188sm8688195pfz.119.2021.02.21.22.43.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 21 Feb 2021 22:43:56 -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: Mon, 22 Feb 2021 14:42:51 +0800 Message-Id: <20210222064251.13374-5-jlee@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20210222064251.13374-1-jlee@suse.com> References: <20210222064251.13374-1-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..b57b30c7125f 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 +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.