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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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