1#!/usr/bin/env python
2# Copyright 2017 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
16"""Certificate chain where the target certificate sets the extended key usage
17to clientAuth. Neither the root nor the intermediate have an EKU."""
18
19import sys
20sys.path += ['../..']
21
22import gencerts
23
24# Self-signed root certificate.
25root = gencerts.create_self_signed_root_certificate('Root')
26
27# Intermediate certificate.
28intermediate = gencerts.create_intermediate_certificate('Intermediate', root)
29
30# Target certificate.
31target = gencerts.create_end_entity_certificate('Target', intermediate)
32target.get_extensions().set_property('extendedKeyUsage', 'clientAuth')
33
34chain = [target, intermediate, root]
35gencerts.write_chain(__doc__, chain, 'chain.pem')
36