1#!/usr/bin/env python
2# Copyright 2022 The Chromium Authors
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     https://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15"""Certificate chain where the target certificate sets the extended key usage
16to clientAuth. Neither the root nor the intermediate have an EKU."""
17
18import sys
19sys.path += ['../..']
20
21import gencerts
22
23# Self-signed root certificate.
24root = gencerts.create_self_signed_root_certificate('Root')
25
26# Intermediate certificate.
27intermediate = gencerts.create_intermediate_certificate('Intermediate', root)
28
29# Target certificate.
30target = gencerts.create_end_entity_certificate('Target', intermediate)
31target.get_extensions().set_property('extendedKeyUsage', 'anyExtendedKeyUsage')
32
33chain = [target, intermediate, root]
34gencerts.write_chain(__doc__, chain, 'chain.pem')
35