| #!/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 intermediary, a trusted root, and a target |
| certificate that is not a CA, and yet has the keyCertSign bit set. Verification |
| is expected to fail, since keyCertSign should only be asserted when CA is |
| true.""" |
| |
| import common |
| |
| # Self-signed root certificate (part of trust store). |
| root = common.create_self_signed_root_certificate('Root') |
| |
| # Intermediary certificate. |
| intermediary = common.create_intermediary_certificate('Intermediary', root) |
| |
| # Target certificate (end entity but has keyCertSign bit set). |
| target = common.create_end_entity_certificate('Target', intermediary) |
| target.get_extensions().set_property('keyUsage', |
| 'critical,digitalSignature,keyEncipherment,keyCertSign') |
| |
| |
| chain = [target, intermediary] |
| trusted = [root] |
| time = common.DEFAULT_TIME |
| verify_result = False |
| |
| common.write_test_file(__doc__, chain, trusted, time, verify_result) |