| #!/usr/bin/env python | 
 | # Copyright 2015 The Chromium Authors | 
 | # Use of this source code is governed by a BSD-style license that can be | 
 | # found in the LICENSE file. | 
 |  | 
 | """Certificate chain where the intermediate has a policies extension marked as | 
 | critical, and contains an unknown policy qualifer (1.2.3.4).""" | 
 |  | 
 | import sys | 
 | sys.path += ['../..'] | 
 |  | 
 | import gencerts | 
 |  | 
 | # Self-signed root certificate. | 
 | root = gencerts.create_self_signed_root_certificate('Root') | 
 |  | 
 | # Intermediate that has a critical policies extension containing an unknown | 
 | # policy qualifer. | 
 | intermediate = gencerts.create_intermediate_certificate('Intermediate', root) | 
 | intermediate.get_extensions().add_property( | 
 |     '2.5.29.32', ('critical,DER:30:13:30:11:06:02:2a:03:30:0b:30:09:06:03:' | 
 |                   '2a:03:04:0c:02:68:69')) | 
 |  | 
 | # Target certificate. | 
 | target = gencerts.create_end_entity_certificate('Target', intermediate) | 
 |  | 
 | chain = [target, intermediate, root] | 
 | gencerts.write_chain(__doc__, chain, 'chain.pem') |