From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 31EFAC433EF for ; Wed, 9 Feb 2022 10:12:09 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 246D983E29; Wed, 9 Feb 2022 11:11:57 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="gGLAXV9+"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id F3F7083E43; Wed, 9 Feb 2022 11:11:50 +0100 (CET) Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 61AED83DA1 for ; Wed, 9 Feb 2022 11:11:40 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=takahiro.akashi@linaro.org Received: by mail-pj1-x1030.google.com with SMTP id h14-20020a17090a130e00b001b88991a305so4613068pja.3 for ; Wed, 09 Feb 2022 02:11:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Po3UkMMvYld0lfL3rtFZlnEun88jjbYUWYnbEiYi2SQ=; b=gGLAXV9+1sz22hzKHxQUqNMzVRghqnWmhRRtXty7h7P32nMZVqCh67EOfwOtQSMOod e1NKgO7Wnw4DZbCAUnzy6rzgp1lKIOTV7Bwufj13RVXCkHbbGfpThFLmG7LD0fF3POiq uQqlsg9MPfsc1qVefxgL4DmF4l2XbQSHq2YgmccZ2dudLaaU6qeowlMjk8J4vaTh9qKJ zMLFLMKP5exqDfjuhR76V8yROeq2XOBPar//ez4U1SPaVx2rzuIqskU7CqYKg7ni2S+6 ReBmj57NION7IagmtWsk0uWyTcv9Kc5OpEjFLi8CFmHrtbHbsvq1ZdtsY+2h+4zXyoVT mCUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Po3UkMMvYld0lfL3rtFZlnEun88jjbYUWYnbEiYi2SQ=; b=zlf3M2QJrztghxkc4XWxOoCejN3RpFvP/ToSJ1NVDTyIXI3MvSCUgKdzy1iJwvsteA RXY8HFT1HRd3ohbUSFfkNvXEqsTLjkBYL/3YMAoXIgxxQiqaWZtx3GHjHUhemuts3BiO PLRwgrcycdvNAUPeeT45SwcgW5Q+Fb5aCsLl3ZntJouNWeJTKjYN2yLhzuQ+qa6wEsE+ jpL66mcT3saMLYrejYuBFBbphgjYmZupShkxfqAJRj2xhV8jQnXrk8EFjYwvorFj+gbt RSj+JFph/D9fiRaNIV1jAv3GepwTbbXXuGYuTQeMsaDXlJEPPuonA7LaOCN9+/AftWMv Ao0A== X-Gm-Message-State: AOAM531WBVUj+kaj23xt8cxaPJ2OHAJ+1bCWPBLZGF6IyetzNK5T9YKP aX9DQDa+xYtZHfMCAQV0lppIqQ== X-Google-Smtp-Source: ABdhPJweLwpH+LK2WC+hqgLh2yOEQnDfys9j/Rb4mPq/eEV9MtvV9gf8qkxMr4as02ywmDWN7/jipA== X-Received: by 2002:a17:903:22d1:: with SMTP id y17mr1363563plg.107.1644401498344; Wed, 09 Feb 2022 02:11:38 -0800 (PST) Received: from localhost.localdomain ([2400:4050:c3e1:100:d885:543e:bfe4:9eb5]) by smtp.gmail.com with ESMTPSA id mi18sm5143303pjb.35.2022.02.09.02.11.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Feb 2022 02:11:38 -0800 (PST) From: AKASHI Takahiro To: xypron.glpk@gmx.de Cc: sjg@chromium.org, ilias.apalodimas@linaro.org, sughosh.ganu@linaro.org, masami.hiramatsu@linaro.org, mark.kettenis@xs4all.nl, u-boot@lists.denx.de, AKASHI Takahiro Subject: [PATCH v11 4/9] doc: update UEFI document for usage of mkeficapsule Date: Wed, 9 Feb 2022 19:10:37 +0900 Message-Id: <20220209101042.78036-5-takahiro.akashi@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220209101042.78036-1-takahiro.akashi@linaro.org> References: <20220209101042.78036-1-takahiro.akashi@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Now we can use mkeficapsule command instead of EDK-II's script to create a signed capsule file. So update the instruction for capsule authentication. Signed-off-by: AKASHI Takahiro Reviewed-by: Simon Glass Acked-by: Ilias Apalodimas --- doc/develop/uefi/uefi.rst | 151 +++++++++++++++++++------------------- 1 file changed, 76 insertions(+), 75 deletions(-) diff --git a/doc/develop/uefi/uefi.rst b/doc/develop/uefi/uefi.rst index 43fb10f7978e..52a38c6b231c 100644 --- a/doc/develop/uefi/uefi.rst +++ b/doc/develop/uefi/uefi.rst @@ -284,37 +284,56 @@ Support has been added for the UEFI capsule update feature which enables updating the U-Boot image using the UEFI firmware management protocol (FMP). The capsules are not passed to the firmware through the UpdateCapsule runtime service. Instead, capsule-on-disk -functionality is used for fetching the capsule from the EFI System -Partition (ESP) by placing the capsule file under the -\EFI\UpdateCapsule directory. - -The directory \EFI\UpdateCapsule is checked for capsules only within the -EFI system partition on the device specified in the active boot option -determined by reference to BootNext variable or BootOrder variable processing. -The active Boot Variable is the variable with highest priority BootNext or -within BootOrder that refers to a device found to be present. Boot variables -in BootOrder but referring to devices not present are ignored when determining -active boot variable. -Before starting a capsule update make sure your capsules are installed in the -correct ESP partition or set BootNext. +functionality is used for fetching capsules from the EFI System +Partition (ESP) by placing capsule files under the directory:: + + \EFI\UpdateCapsule + +The directory is checked for capsules only within the +EFI system partition on the device specified in the active boot option, +which is determined by BootXXXX variable in BootNext, or if not, the highest +priority one within BootOrder. Any BootXXXX variables referring to devices +not present are ignored when determining the active boot option. + +Please note that capsules will be applied in the alphabetic order of +capsule file names. + +Creating a capsule file +*********************** + +A capsule file can be created by using tools/mkeficapsule. +To build this tool, enable:: + + CONFIG_TOOLS_MKEFICAPSULE=y + CONFIG_TOOLS_LIBCRYPTO=y + +Run the following command + +.. code-block:: console + + $ mkeficapsule \ + --index 1 --instance 0 \ + [--fit | --raw ] \ + Performing the update ********************* -Since U-boot doesn't currently support SetVariable at runtime there's a Kconfig -option (CONFIG_EFI_IGNORE_OSINDICATIONS) to disable the OsIndications variable -check. If that option is enabled just copy your capsule to \EFI\UpdateCapsule. +Put capsule files under the directory mentioned above. +Then, following the UEFI specification, you'll need to set +the EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED +bit in OsIndications variable with -If that option is disabled, you'll need to set the OsIndications variable with:: +.. code-block:: console => setenv -e -nv -bs -rt -v OsIndications =0x04 -Finally, the capsule update can be initiated either by rebooting the board, -which is the preferred method, or by issuing the following command:: - - => efidebug capsule disk-update +Since U-boot doesn't currently support SetVariable at runtime, its value +won't be taken over across the reboot. If this is the case, you can skip +this feature check with the Kconfig option (CONFIG_EFI_IGNORE_OSINDICATIONS) +set. -**The efidebug command is should only be used during debugging/development.** +Finally, the capsule update can be initiated by rebooting the board. Enabling Capsule Authentication ******************************* @@ -324,82 +343,64 @@ be updated by verifying the capsule signature. The capsule signature is computed and prepended to the capsule payload at the time of capsule generation. This signature is then verified by using the public key stored as part of the X509 certificate. This certificate is -in the form of an efi signature list (esl) file, which is embedded as -part of U-Boot. +in the form of an efi signature list (esl) file, which is embedded in +a device tree. The capsule authentication feature can be enabled through the following config, in addition to the configs listed above for capsule update:: CONFIG_EFI_CAPSULE_AUTHENTICATE=y - CONFIG_EFI_CAPSULE_KEY_PATH= The public and private keys used for the signing process are generated -and used by the steps highlighted below:: +and used by the steps highlighted below. - 1. Install utility commands on your host - * OPENSSL +1. Install utility commands on your host + * openssl * efitools - 2. Create signing keys and certificate files on your host +2. Create signing keys and certificate files on your host - $ openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=CRT/ \ - -keyout CRT.key -out CRT.crt -nodes -days 365 - $ cert-to-efi-sig-list CRT.crt CRT.esl +.. code-block:: console - $ openssl x509 -in CRT.crt -out CRT.cer -outform DER - $ openssl x509 -inform DER -in CRT.cer -outform PEM -out CRT.pub.pem + $ openssl req -x509 -sha256 -newkey rsa:2048 -subj /CN=CRT/ \ + -keyout CRT.key -out CRT.crt -nodes -days 365 + $ cert-to-efi-sig-list CRT.crt CRT.esl - $ openssl pkcs12 -export -out CRT.pfx -inkey CRT.key -in CRT.crt - $ openssl pkcs12 -in CRT.pfx -nodes -out CRT.pem +3. Run the following command to create and sign the capsule file -The capsule file can be generated by using the GenerateCapsule.py -script in EDKII:: +.. code-block:: console - $ ./BaseTools/BinWrappers/PosixLike/GenerateCapsule -e -o \ - --monotonic-count --fw-version \ - --lsv --guid \ - e2bb9c06-70e9-4b14-97a3-5a7913176e3f --verbose \ - --update-image-index --signer-private-cert \ - /path/to/CRT.pem --trusted-public-cert \ - /path/to/CRT.pub.pem --other-public-cert /path/to/CRT.pub.pem \ - + $ mkeficapsule --monotonic-count 1 \ + --private-key CRT.key \ + --certificate CRT.crt \ + --index 1 --instance 0 \ + [--fit | --raw ] \ + -Place the capsule generated in the above step on the EFI System -Partition under the EFI/UpdateCapsule directory +4. Insert the signature list into a device tree in the following format:: -Testing on QEMU -*************** + { + signature { + capsule-key = [ ]; + } + ... + } -Currently, support has been added on the QEMU ARM64 virt platform for -updating the U-Boot binary as a raw image when the platform is booted -in non-secure mode, i.e. with CONFIG_TFABOOT disabled. For this -configuration, the QEMU platform needs to be booted with -'secure=off'. The U-Boot binary placed on the first bank of the NOR -flash at offset 0x0. The U-Boot environment is placed on the second -NOR flash bank at offset 0x4000000. +You can do step-4 manually with -The capsule update feature is enabled with the following configuration -settings:: +.. code-block:: console - CONFIG_MTD=y - CONFIG_FLASH_CFI_MTD=y - CONFIG_CMD_MTDPARTS=y - CONFIG_CMD_DFU=y - CONFIG_DFU_MTD=y - CONFIG_PCI_INIT_R=y - CONFIG_EFI_CAPSULE_ON_DISK=y - CONFIG_EFI_CAPSULE_FIRMWARE_MANAGEMENT=y - CONFIG_EFI_CAPSULE_FIRMWARE=y - CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y + $ dtc -@ -I dts -O dtb -o signature.dtbo signature.dts + $ fdtoverlay -i orig.dtb -o new.dtb -v signature.dtbo -In addition, the following config needs to be disabled(QEMU ARM specific):: +where signature.dts looks like:: - CONFIG_TFABOOT - -The capsule file can be generated by using the tools/mkeficapsule:: - - $ mkeficapsule --raw --index 1 + &{/} { + signature { + capsule-key = /incbin/("CRT.esl"); + }; + }; Executing the boot manager ~~~~~~~~~~~~~~~~~~~~~~~~~~ -- 2.33.0