| #!/usr/bin/env python | |
| # Copyright 2016 The Chromium Authors | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # https://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| """Certificate chain with 2 intermediates and one end entity certificate. The | |
| root certificate has a pathlen:1 restriction. Ordinarily this would be an | |
| invalid chain, however constraints on this trust anchor are not enforced.""" | |
| import sys | |
| sys.path += ['../..'] | |
| import gencerts | |
| # Self-signed root certificate (used as trust anchor). | |
| root = gencerts.create_self_signed_root_certificate('Root') | |
| root.get_extensions().set_property('basicConstraints', | |
| 'critical,CA:true,pathlen:1') | |
| # Intermediate 1 (no pathlen restriction). | |
| intermediate1 = gencerts.create_intermediate_certificate('Intermediate1', root) | |
| # Intermediate 2 (no pathlen restriction). | |
| intermediate2 = gencerts.create_intermediate_certificate('Intermediate2', | |
| intermediate1) | |
| # Target certificate. | |
| target = gencerts.create_end_entity_certificate('Target', intermediate2) | |
| chain = [target, intermediate2, intermediate1, root] | |
| gencerts.write_chain(__doc__, chain, 'chain.pem') |