#!/usr/bin/env python3 # SPDX-License-Identifier: GPL-2.0-or-later # Copyright (C) 2020, Google Inc. # # Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com> # # ipa-gen-key.py - Generate the IPA module signing public key import string import subprocess import sys def main(argv): if len(argv) != 4: print('Usage: %s priv-key template output' % argv[0]) return 1 priv_key = argv[1] template = argv[2] output = argv[3] try: ret = subprocess.run(['openssl', 'rsa', '-pubout', '-in', priv_key, '-outform', 'DER'], stdout=subprocess.PIPE) except FileNotFoundError: print('Please install openssl to sign IPA modules') return 1 ipa_key = ['0x%02x' % c for c in ret.stdout] ipa_key = [', '.join(ipa_key[bound:bound + 8]) for bound in range(0, len(ipa_key), 8)] ipa_key = ',\n\t'.join(ipa_key) data = {'ipa_key': ipa_key} template = open(template, 'rb').read() template = template.decode('utf-8') template = string.Template(template) f = open(output, 'wb') f.write(template.substitute(data).encode('utf-8')) f.close() return 0 if __name__ == '__main__': sys.exit(main(sys.argv))