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# Copyright 2016 Google LLC
#
# 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
#
# http://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.
import os
from google.auth import crypt
import yatest.common
DATA_DIR = os.path.join(yatest.common.test_source_path(), "data")
# To generate privatekey.pem, privatekey.pub, and public_cert.pem:
# $ openssl req -new -newkey rsa:1024 -x509 -nodes -out public_cert.pem \
# > -keyout privatekey.pem
# $ openssl rsa -in privatekey.pem -pubout -out privatekey.pub
with open(os.path.join(DATA_DIR, "privatekey.pem"), "rb") as fh:
PRIVATE_KEY_BYTES = fh.read()
with open(os.path.join(DATA_DIR, "public_cert.pem"), "rb") as fh:
PUBLIC_CERT_BYTES = fh.read()
# To generate other_cert.pem:
# $ openssl req -new -newkey rsa:1024 -x509 -nodes -out other_cert.pem
with open(os.path.join(DATA_DIR, "other_cert.pem"), "rb") as fh:
OTHER_CERT_BYTES = fh.read()
def test_verify_signature():
to_sign = b"foo"
signer = crypt.RSASigner.from_string(PRIVATE_KEY_BYTES)
signature = signer.sign(to_sign)
assert crypt.verify_signature(to_sign, signature, PUBLIC_CERT_BYTES)
# List of certs
assert crypt.verify_signature(
to_sign, signature, [OTHER_CERT_BYTES, PUBLIC_CERT_BYTES]
)
def test_verify_signature_failure():
to_sign = b"foo"
signer = crypt.RSASigner.from_string(PRIVATE_KEY_BYTES)
signature = signer.sign(to_sign)
assert not crypt.verify_signature(to_sign, signature, OTHER_CERT_BYTES)
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