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gh-127298: When in FIPS mode ensure builtin hashes check for usedforsecurity=False #127301

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gh-127298: When in FIPS mode ensure builtin hashes check for usedforsecurity=False #127301

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21b30a1
gh-127298: When in FIPS mode ensure builtin hashes check for usedfors…
xnox Nov 26, 2024
42b912a
use != 0 rather than == 1 and update a comment.
gpshead Nov 27, 2024
ac9dc6d
Update the NEWS to reflect reality.
gpshead Nov 27, 2024
4da9f77
address _some_ correctness details in the test.
gpshead Nov 27, 2024
7a954ff
avoid repeated calls, reword comment.
gpshead Nov 27, 2024
461920d
Update 2024-11-26-16-31-40.gh-issue-127298.jqYJvn.rst
gpshead Nov 27, 2024
dabed52
avoid rerunning test in refleak hunting mode.
gpshead Nov 27, 2024
57241db
Change to spawn _test_hashlib_fips from test_hashlib with an env.
gpshead Nov 27, 2024
3910723
Use subTest to id the algorithm.
gpshead Nov 27, 2024
e8ef380
lint
gpshead Nov 27, 2024
3db1eb5
remove the no longer appropriate mention from ssltests.
gpshead Nov 27, 2024
4e5dddb
fix subTest context manager nesting.
gpshead Nov 27, 2024
fd308b4
Use null provider, which is guaranteed to have nothing
xnox Sep 8, 2025
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avoid rerunning test in refleak hunting mode.
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@gpshead @xnox
gpshead authored and xnox committed Sep 8, 2025
commit dabed52d66bfea3a89fe37ae741c2027b142c20a
5 changes: 5 additions & 0 deletions Lib/test/test_hashlib_fips.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,12 @@


class HashLibFIPSTestCase(unittest.TestCase):
_executions = 0 # prevent re-running on in refleak hunting mode, etc.

@classmethod
def setUpClass(cls):
if cls._executions > 0:
raise unittest.SkipTest("Cannot run this test within the same Python process.")
if sys.modules.get("_hashlib") or sys.modules.get("_ssl"):
raise AssertionError("_hashlib or _ssl already imported, too late to change OPENSSL_CONF.")
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# This openssl.cnf mocks FIPS mode without any digest
Expand Down Expand Up @@ -43,6 +47,7 @@ def tearDownClass(cls):
os.environ["OPENSSL_CONF"] = OPENSSL_CONF_BACKUP
else:
os.environ.pop("OPENSSL_CONF", None)
cls._executions += 1

def test_algorithms_available(self):
import hashlib
Expand Down