diff options
author | David Riley <davidriley@chromium.org> | 2015-08-21 00:57:38 -0700 |
---|---|---|
committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-08-21 20:08:56 +0000 |
commit | 076a5395e94607e0eb658b6882049776a841d469 (patch) | |
tree | 3de6c915d33198c954267eebe5df00d3c3ba21db | |
parent | 26825b53dc914e4599767ae1e78fe731840027c1 (diff) | |
download | vboot-076a5395e94607e0eb658b6882049776a841d469.tar.gz |
sign_official_build: support signing 'kernel' image type
BRANCH=signer
BUG=chrome-os-partner:44227
TEST='sign_official_build.sh kernel boot_devsigned.img keys boot_resigned.img'
Change-Id: I805231ef4bd4ed86b35c0d7ca2d3fe1e704caabc
Signed-off-by: David Riley <davidriley@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/294954
Reviewed-by: Mike Frysinger <vapier@chromium.org>
-rwxr-xr-x | scripts/image_signing/sign_official_build.sh | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/scripts/image_signing/sign_official_build.sh b/scripts/image_signing/sign_official_build.sh index 5bd23fe9..7cb89a0a 100755 --- a/scripts/image_signing/sign_official_build.sh +++ b/scripts/image_signing/sign_official_build.sh @@ -31,6 +31,7 @@ where <type> is one of: factory (sign a factory install image) install (old alias to "factory") update_payload (sign a delta update hash) + kernel (sign a kernel image) firmware (sign a firmware image) usb (sign an image to boot directly from USB) verify (verify an image including rootfs hashes) @@ -452,6 +453,29 @@ sign_firmware() { echo "Signed firmware image output to ${image}" } +# Sign a kernel in-place with the given keys. +# Args: KERNEL_IMAGE KEY_DIR KERNEL_VERSION +sign_kernel() { + local image=$1 + local key_dir=$2 + local kernel_version=$3 + + # Note: Although vbutil_kernel may correctly handle specifying the same + # output file as the input file, we do not want to rely on it correctly + # handing that. Hence, the use of a temporary file. + local temp_kernel=$(make_temp_file) + + # Resign the kernel with new keys. + vbutil_kernel --repack "${temp_kernel}" \ + --keyblock "${key_dir}/kernel.keyblock" \ + --signprivate "${key_dir}/kernel_data_key.vbprivk" \ + --version "${kernel_version}" \ + --oldblob "${image}" + + mv "${temp_kernel}" "${image}" + echo "Signed kernel image output to ${image}" +} + # Sign a delta update payload (usually created by paygen). # Args: INPUT_IMAGE KEY_DIR OUTPUT_IMAGE sign_update_payload() { @@ -748,6 +772,13 @@ elif [[ "${TYPE}" == "firmware" ]]; then fi cp ${INPUT_IMAGE} ${OUTPUT_IMAGE} sign_firmware ${OUTPUT_IMAGE} ${KEY_DIR} ${FIRMWARE_VERSION} +elif [[ "${TYPE}" == "kernel" ]]; then + if [[ -e "${KEY_DIR}/loem.ini" ]]; then + echo "LOEM signing not implemented yet for kernel images" + exit 1 + fi + cp "${INPUT_IMAGE}" "${OUTPUT_IMAGE}" + sign_kernel "${OUTPUT_IMAGE}" "${KEY_DIR}" "${KERNEL_VERSION}" elif [[ "${TYPE}" == "update_payload" ]]; then sign_update_payload ${INPUT_IMAGE} ${KEY_DIR} ${OUTPUT_IMAGE} else |