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#!/bin/bash
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Script to increment firmware version key for firmware updates.
# Used when revving versions for a firmware update.
# Load common constants and variables.
. "$(dirname "$0")/common.sh"
# Abort on errors.
set -e
if [ $# -ne 1 ]; then
cat <<EOF
Usage: $0 <keyset directory>
Increments the firmware version in the specified keyset.
EOF
exit 1
fi
KEY_DIR=$1
main() {
load_current_versions "${KEY_DIR}"
new_firmkey_ver=$(increment_version "${KEY_DIR}" "firmware_key_version")
cd "${KEY_DIR}"
backup_existing_firmware_keys ${CURR_FIRM_VER} ${CURR_FIRMKEY_VER}
cat <<EOF
Generating new firmware version key.
New Firmware key version (due to firmware key change): ${new_firmkey_ver}.
EOF
make_pair firmware_data_key ${FIRMWARE_DATAKEY_ALGOID} ${new_firmkey_ver}
make_keyblock firmware ${FIRMWARE_KEYBLOCK_MODE} firmware_data_key root_key
write_updated_version_file ${new_firmkey_ver} ${CURR_FIRM_VER} \
${CURR_KERNKEY_VER} ${CURR_KERN_VER}
}
main "$@"
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