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