mirror of https://github.com/google/oss-fuzz.git
64 lines
1.7 KiB
Python
64 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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d = fdp.ConsumeIntInRange(
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1, 9999999999999999999999999999999999999999999999999999999999)
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k = fdp.ConsumeIntInRange(
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1, 9999999999999999999999999999999999999999999999999999999999)
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msg = fdp.ConsumeIntInRange(
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1, 9999999999999999999999999999999999999999999999999999999999)
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Q = d * ecdsa.ecdsa.generator_192
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R = k * ecdsa.ecdsa.generator_192
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pubk = ecdsa.ecdsa.Public_key(ecdsa.ecdsa.generator_192,
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ecdsa.ecdsa.generator_192 * d)
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privk = ecdsa.ecdsa.Private_key(pubk, d)
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sig = privk.sign(msg, k)
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pubk.verifies(msg, sig)
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pubk.verifies(msg - 1, sig)
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def target2(fdp):
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ecdsa._sha3.shake_256(fdp.ConsumeBytes(sys.maxsize),
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fdp.ConsumeIntInRange(1, 64))
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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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