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| 1 #!/usr/bin/python | |
| 2 # Copyright (c) 2015 The Chromium Authors. All rights reserved. | |
| 3 # Use of this source code is governed by a BSD-style license that can be | |
| 4 # found in the LICENSE file. | |
| 5 | |
| 6 """Certificate chain with an intermediate that uses MD5 to sign the target | |
| 7 certificate. This is expected to fail because MD5 is too weak.""" | |
| 8 | |
| 9 import common | |
| 10 | |
| 11 # Self-signed root certificate (used as trust anchor). | |
| 12 root = common.create_self_signed_root_certificate('Root') | |
| 13 | |
| 14 # Intermediate. | |
| 15 intermediate = common.create_intermediate_certificate('Intermediate', root) | |
| 16 | |
| 17 # Target certificate. | |
| 18 target = common.create_end_entity_certificate('Target', intermediate) | |
| 19 target.set_signature_hash('md5') | |
| 20 | |
| 21 chain = [target, intermediate] | |
| 22 trusted = common.TrustAnchor(root, constrained=False) | |
| 23 time = common.DEFAULT_TIME | |
| 24 key_purpose = common.DEFAULT_KEY_PURPOSE | |
| 25 verify_result = False | |
| 26 errors = """----- Certificate i=0 (CN=Target) ----- | |
| 27 ERROR: Unacceptable signature algorithm | |
| 28 ERROR: VerifySignedData failed | |
| 29 | |
| 30 """ | |
| 31 | |
| 32 common.write_test_file(__doc__, chain, trusted, time, key_purpose, | |
| 33 verify_result, errors) | |
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