| #!/usr/bin/python |
| # Copyright (c) 2017 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Certificate chain with 1 intermediate and a trusted root. The intermediate |
| restricts the EKU to serverAuth, and the target has serverAuth + |
| clientAuth. Verification is expected to succeed as this is consistent with |
| the requested key purpose.""" |
| |
| import sys |
| sys.path += ['..'] |
| |
| import common |
| |
| # Self-signed root certificate (used as trust anchor). |
| root = common.create_self_signed_root_certificate('Root') |
| |
| # Intermediate certificate. |
| intermediate = common.create_intermediate_certificate('Intermediate', root) |
| intermediate.get_extensions().set_property('extendedKeyUsage', |
| 'serverAuth') |
| |
| # Target certificate. |
| target = common.create_end_entity_certificate('Target', intermediate) |
| target.get_extensions().set_property('extendedKeyUsage', |
| 'serverAuth,clientAuth') |
| |
| chain = [target, intermediate, root] |
| common.write_chain(__doc__, chain, 'chain.pem') |
