mirror of https://github.com/google/oss-fuzz.git
61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
#!/usr/bin/python3
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# Copyright 2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import atheris
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import hashlib
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import binascii
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import ecdsa
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def target1(fdp):
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a = ecdsa.ellipticcurve.PointEdwards(ecdsa.eddsa.curve_ed25519,
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fdp.ConsumeIntInRange(0, 10),
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fdp.ConsumeIntInRange(0, 10),
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fdp.ConsumeIntInRange(0, 10),
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fdp.ConsumeIntInRange(0, 10))
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z = a.double()
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def target2(fdp):
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try:
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key = ecdsa.eddsa.PublicKey(ecdsa.eddsa.generator_ed25519,
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fdp.ConsumeBytes(fdp.ConsumeIntInRange(0, 512)))
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key.verify(fdp.ConsumeBytes(fdp.ConsumeIntInRange(0, 512)), fdp.ConsumeBytes(fdp.ConsumeIntInRange(0, 512)))
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except ValueError:
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pass
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except ecdsa.errors.MalformedPointError:
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pass
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def TestOneInput(data):
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fdp = atheris.FuzzedDataProvider(data)
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targets = [
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target1,
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target2,
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]
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target = fdp.PickValueInList(targets)
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target(fdp)
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def main():
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atheris.instrument_all()
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atheris.Setup(sys.argv, TestOneInput)
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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