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#!/bin/bash
# Copyright 2022 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.
# Load common constants and functions.
. "$(dirname "$0")/../common.sh"
usage() {
cat <<EOF
Usage: ${PROG} [options]
Options:
-o, --output_dir <dir>: Where to write the keys (default is cwd)
EOF
if [[ $# -ne 0 ]]; then
die "$*"
else
exit 0
fi
}
generate_ed25519_key() {
local output_dir="$1"
# Generate ed25519 private and public key.
openssl genpkey -algorithm Ed25519 -out "${output_dir}/key_hps.priv.pem"
openssl pkey -in "${output_dir}/key_hps.priv.pem" -pubout -text_pub \
-out "${output_dir}/key_hps.pub.pem"
}
main() {
set -euo pipefail
local output_dir="${PWD}"
while [[ $# -gt 0 ]]; do
case "$1" in
-h|--help)
usage
;;
-o|--output_dir)
output_dir="$2"
if [[ ! -d "${output_dir}" ]]; then
die "output dir (${output_dir}) doesn't exist."
fi
shift
;;
-*)
usage "Unknown option: $1"
;;
*)
usage "Unknown argument $1"
;;
esac
shift
done
generate_ed25519_key "${output_dir}"
}
main "$@"
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