oss-fuzz/projects/pycrypto/fuzz_all_or_nothing.py

43 lines
1.2 KiB
Python

#!/usr/bin/python3
# Copyright 2022 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 atheris
import sys
with atheris.instrument_imports():
from Crypto.Protocol import AllOrNothing
from Crypto.Cipher import AES
@atheris.instrument_func
def TestOneInput(data):
if len(data) < 10:
return
for i in range(50):
a1 = AllOrNothing.AllOrNothing(AES)
msgblocks = a1.digest(data)
a2 = AllOrNothing.AllOrNothing(AES)
round_tripped = a2.undigest(msgblocks)
assert data == round_tripped
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()