| #!/usr/bin/python |
| # Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Certificate chain with 1 intermediate and a trusted root. The intermediate |
| contains a keyUsage extension, HOWEVER it does not contain the keyCertSign bit. |
| Hence validation is expected to fail.""" |
| |
| import common |
| |
| # Self-signed root certificate (used as trust anchor). |
| root = common.create_self_signed_root_certificate('Root') |
| |
| # Intermediate that is missing keyCertSign. |
| intermediate = common.create_intermediate_certificate('Intermediate', root) |
| intermediate.get_extensions().set_property('keyUsage', |
| 'critical,digitalSignature,keyEncipherment') |
| |
| # Target certificate. |
| target = common.create_end_entity_certificate('Target', intermediate) |
| |
| chain = [target, intermediate] |
| trusted = common.TrustAnchor(root, constrained=False) |
| time = common.DEFAULT_TIME |
| verify_result = False |
| errors = ['keyCertSign bit is not set'] |
| |
| common.write_test_file(__doc__, chain, trusted, time, verify_result, errors) |
