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Fix md5 hashing with FIPS mode #6635

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merged 4 commits into from
Jun 21, 2023
Merged

Fix md5 hashing with FIPS mode #6635

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e69e019
fix(utils.py): use md5 without security
MattTheCuber Jun 21, 2023
9f65f48
fix(utils.py): md5 security python <3.9 support
MattTheCuber Jun 21, 2023
6f4bc79
fix(utils.py): import sys
MattTheCuber Jun 21, 2023
8043112
[MONAI] code formatting
monai-bot Jun 21, 2023
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13 changes: 11 additions & 2 deletions monai/data/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import logging
import math
import os
import sys
import pickle
from collections import abc, defaultdict
from collections.abc import Generator, Iterable, Mapping, Sequence, Sized
Expand Down Expand Up @@ -1370,7 +1371,11 @@ def json_hashing(item) -> bytes:

"""
# TODO: Find way to hash transforms content as part of the cache
cache_key = hashlib.md5(json.dumps(item, sort_keys=True).encode("utf-8")).hexdigest()
cache_key = ""
if (sys.version_info.minor < 9):
cache_key = hashlib.md5(json.dumps(item, sort_keys=True).encode("utf-8")).hexdigest()
else:
cache_key = hashlib.md5(json.dumps(item, sort_keys=True).encode("utf-8"), usedforsecurity=False).hexdigest()
return f"{cache_key}".encode()


Expand All @@ -1385,7 +1390,11 @@ def pickle_hashing(item, protocol=pickle.HIGHEST_PROTOCOL) -> bytes:
Returns: the corresponding hash key

"""
cache_key = hashlib.md5(pickle.dumps(sorted_dict(item), protocol=protocol)).hexdigest()
cache_key = ""
if (sys.version_info.minor < 9):
cache_key = hashlib.md5(pickle.dumps(sorted_dict(item), protocol=protocol)).hexdigest()
else:
cache_key = hashlib.md5(pickle.dumps(sorted_dict(item), protocol=protocol), usedforsecurity=False).hexdigest()
return f"{cache_key}".encode()


Expand Down