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#!/bin/bash
# Copyright 2018 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Script to increment UEFI DB key.
# Load common constants and variables.
. "$(dirname "$0")/uefi_common.sh"
# Abort on errors.
set -e
if [ $# -ne 1 ]; then
cat <<EOF
Usage: $0 <keyset directory>
Increments the UEFI DB key in the specified keyset.
EOF
exit 1
fi
KEY_DIR="$1"
main() {
check_uefi_key_dir_name "${KEY_DIR}"
load_current_uefi_key_versions "${KEY_DIR}"
new_db_key_ver=$(increment_uefi_version "${KEY_DIR}" "db_key_version")
new_db_child_key_ver=1
cd "${KEY_DIR}"
backup_db_keypair_and_children "${CURR_DB_KEY_VER}"
cat <<EOF
Generating new UEFI DB key version.
New DB key version: ${new_db_key_ver}.
EOF
make_db_keypair "${new_db_key_ver}"
make_db_child_keypair "${new_db_key_ver}" "${new_db_child_key_ver}"
write_updated_uefi_version_file "${CURR_PK_KEY_VER}" "${CURR_KEK_KEY_VER}" \
"${new_db_key_ver}" "${new_db_child_key_ver}"
}
main "$@"
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