Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_hash.py: 45%

1###### Coverage stub 

2import atexit 

3import coverage 

4cov = coverage.coverage(data_file='.coverage', cover_pylib=True) 

5cov.start() 

6# Register an exist handler that will print coverage 

7def exit_handler(): 

8 cov.stop() 

9 cov.save() 

10atexit.register(exit_handler) 

11####### End of coverage stub 

12#!/usr/bin/python3 

13# Copyright 2023 Google LLC 

14# 

15# Licensed under the Apache License, Version 2.0 (the "License"); 

16# you may not use this file except in compliance with the License. 

17# You may obtain a copy of the License at 

18# 

19# http://www.apache.org/licenses/LICENSE-2.0 

20# 

21# Unless required by applicable law or agreed to in writing, software 

22# distributed under the License is distributed on an "AS IS" BASIS, 

23# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

24# See the License for the specific language governing permissions and 

25# limitations under the License. 

26import sys 

27import atheris 

28 

29import nacl.hash 

30import nacl.pwhash 

31 

32 

33def TestOneInput(data): 

34 fdp = atheris.FuzzedDataProvider(data) 

35 

36 nacl.hash.sha256(fdp.ConsumeBytes(fdp.ConsumeIntInRange(0, 512))) 

37 nacl.hash.sha512(fdp.ConsumeBytes(fdp.ConsumeIntInRange(0, 512))) 

38 nacl.hash.generichash(fdp.ConsumeBytes(fdp.ConsumeIntInRange(0, 512)), key=fdp.ConsumeBytes(32)) 

39 

40 try: 

41 nacl.pwhash.kdf_scryptsalsa208sha256( 

42 32, 

43 fdp.ConsumeBytes(fdp.ConsumeIntInRange(10, 1000)), 

44 fdp.ConsumeBytes(32), 

45 2000, 

46 (2**20)*100 

47 ) 

48 except ValueError: 

49 pass 

50 

51 nacl.pwhash.scryptsalsa208sha256_str(fdp.ConsumeBytes(1024)) 

52 

53 

54def main(): 

55 atheris.instrument_all() 

56 atheris.Setup(sys.argv, TestOneInput) 

57 atheris.Fuzz() 

58 

59 

60if __name__ == "__main__": 

61 main()