#!/usr/bin/env python # Copyright 2018 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 both the intermediate and target certificates have incorrect signatures.""" import sys sys.path += ['../..'] import gencerts # Self-signed root certificate. root = gencerts.create_self_signed_root_certificate('Root') # Actual root that was used to sign the intermediate certificate. It has the # same subject as expected, but a different RSA key from the certificate # included in the actual chain. wrong_root = gencerts.create_self_signed_root_certificate('Root') # Intermediate certificate to include in the certificate chain. intermediate = gencerts.create_intermediate_certificate('Intermediate', wrong_root) # Actual intermediate that was used to sign the target certificate. It has the # same subject as expected, but a different RSA key from the certificate # included in the actual chain. wrong_intermediate = gencerts.create_intermediate_certificate('Intermediate', root) # Target certificate, signed using |wrong_intermediate| NOT |intermediate|. target = gencerts.create_end_entity_certificate('Target', wrong_intermediate) chain = [target, intermediate, root] gencerts.write_chain(__doc__, chain, 'chain.pem')