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#!/bin/bash
# Copyright (c) 2011 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 kernel subkey and datakey for firmware updates.
# Used when revving versions for a firmware update.
# Load common constants and variables.
. "${0%/*}"/common.sh
# Abort on errors.
set -e
if [ $# -ne 1 ]; then
cat <<EOF
Usage: $0 <keyset directory>
Increments the kernel subkey, data key and firmware version in the
specified keyset.
EOF
exit 1
fi
KEY_DIR=$1
main() {
load_current_versions
new_kernkey_ver=$(increment_version "${KEY_DIR}" "kernel_key_version")
new_firm_ver=$(increment_version "${KEY_DIR}" "firmware_version")
backup_existing_kernel_subkeys ${CURR_FIRM_VER} ${CURR_KERNKEY_VER}
backup_existing_kernel_data_keys ${CURR_FIRM_VER} ${CURR_KERNKEY_VER}
cat <<EOF
Generating new kernel subkey, data keys and new kernel keyblock.
New Firmware version (due to kernel subkey change): ${new_firm_ver}.
New Kernel key version (due to kernel datakey change): ${new_kernkey_ver}.
EOF
make_pair kernel_subkey ${KERNEL_SUBKEY_ALGOID} ${new_firm_ver}
make_pair kernel_data_key ${KERNEL_DATAKEY_ALGOID} ${new_kernkey_ver}
make_keyblock kernel ${KERNEL_KEYBLOCK_MODE} kernel_data_key kernel_subkey
write_updated_version_file ${CURR_FIRMKEY_VER} ${new_firm_ver} \
${new_kernkey_ver} ${CURR_KERN_VER}
}
main "$@"
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