1#!/usr/bin/env python 2# Copyright 2016 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 6"""Certificate chain where the root has a smaller validity range than the other 7certificates, making it easy to violate just its validity. 8 9 Root: 2015/03/01 -> 2015/09/01 10 Intermediate: 2015/01/01 -> 2016/01/01 11 Target: 2015/01/01 -> 2016/01/01 12""" 13 14 15import sys 16sys.path += ['../..'] 17 18import gencerts 19 20# Self-signed root certificate. 21root = gencerts.create_self_signed_root_certificate('Root') 22root.set_validity_range(gencerts.MARCH_1_2015_UTC, 23 gencerts.SEPTEMBER_1_2015_UTC) 24 25# Intermediate certificate. 26intermediate = gencerts.create_intermediate_certificate('Intermediate', root) 27intermediate.set_validity_range(gencerts.JANUARY_1_2015_UTC, 28 gencerts.JANUARY_1_2016_UTC) 29 30# Target certificate. 31target = gencerts.create_end_entity_certificate('Target', intermediate) 32target.set_validity_range(gencerts.JANUARY_1_2015_UTC, 33 gencerts.JANUARY_1_2016_UTC) 34 35chain = [target, intermediate, root] 36gencerts.write_chain(__doc__, chain, 'chain.pem') 37