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Diffstat (limited to 'scripts/keygeneration/uefi/increment_kek_key.sh')
-rwxr-xr-x | scripts/keygeneration/uefi/increment_kek_key.sh | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/scripts/keygeneration/uefi/increment_kek_key.sh b/scripts/keygeneration/uefi/increment_kek_key.sh new file mode 100755 index 00000000..3b9879ad --- /dev/null +++ b/scripts/keygeneration/uefi/increment_kek_key.sh @@ -0,0 +1,45 @@ +#!/bin/bash +# Copyright 2018 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 UEFI Key Exchange Key (KEK). + +# Load common constants and variables. +. "$(dirname "$0")/uefi_common.sh" + +# Abort on errors. +set -e + +if [ $# -lt 1 ]; then + cat <<EOF + Usage: $0 <keyset directory> [board name] + + Increments the UEFI Key Exchange Key (KEK) in the specified keyset. +EOF + exit 1 +fi + +KEY_DIR="$1" +BOARD_NAME="$2" # Optional. + +main() { + check_uefi_key_dir_name "${KEY_DIR}" + + load_current_uefi_key_versions "${KEY_DIR}" + new_kek_key_ver=$(increment_uefi_version "${KEY_DIR}" "kek_key_version") + + cd "${KEY_DIR}" + backup_existing_kek_keypair "${CURR_KEK_KEY_VER}" + + cat <<EOF +Generating new UEFI Key Exchange Key (KEK) version. + +New Key Exchange Key version: ${new_kek_key_ver}. +EOF + make_kek_keypair "${new_kek_key_ver}" "${BOARD_NAME}" + write_updated_uefi_version_file "${CURR_PK_KEY_VER}" "${new_kek_key_ver}" \ + "${CURR_DB_KEY_VER}" "${CURR_DB_CHILD_KEY_VER}" +} + +main "$@" |