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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.
# Verify that update payload verification is enabled.
# Abort on error.
set -e
# Load common constants and variables.
. "$(dirname "$0")/common.sh"
usage() {
echo "Usage: $PROG image"
}
main() {
if [ $# -ne 1 ]; then
usage
exit 1
fi
local image=$1
local loopdev=$(loopback_partscan "${image}")
local rootfs=$(make_temp_dir)
local key_location="/usr/share/update_engine/update-payload-key.pub.pem"
mount_loop_image_partition_ro "${loopdev}" 3 "${rootfs}"
if [ ! -e "$rootfs/$key_location" ]; then
die "Update payload verification key not found at $key_location"
fi
}
main "$@"
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