1#!/usr/bin/env python3 2# Copyright 2023 The Chromium Authors 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5"""Certificate chain with policies and requireExplicitPolicy, including 6policies on the root.""" 7 8import sys 9sys.path += ['../..'] 10 11import gencerts 12 13# Self-signed root certificate. 14root = gencerts.create_self_signed_root_certificate('Root') 15root.get_extensions().set_property('certificatePolicies', 'critical,1.2.3.4') 16root.get_extensions().set_property( 17 'policyConstraints', 18 'critical,requireExplicitPolicy:0,inhibitPolicyMapping:0') 19root.get_extensions().set_property('inhibitAnyPolicy', 'critical,0') 20 21# Intermediate certificate. 22intermediate = gencerts.create_intermediate_certificate('Intermediate', root) 23intermediate.get_extensions().set_property('certificatePolicies', 24 'critical,1.2.3.4') 25intermediate.get_extensions().set_property('policyConstraints', 26 'critical,requireExplicitPolicy:0') 27 28# Target certificate. 29target = gencerts.create_end_entity_certificate('Target', intermediate) 30target.get_extensions().set_property('certificatePolicies', 'critical,1.2.3.4') 31 32chain = [target, intermediate, root] 33gencerts.write_chain(__doc__, chain, 'chain.pem') 34