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ORPA-pyOpenRPA/Resources/LPy64-3105/lib/python3.10/test/test_crypt.py

113 lines
4.1 KiB

import sys
import unittest
from test.support import check_sanitizer
try:
if check_sanitizer(address=True, memory=True):
raise unittest.SkipTest("The crypt module SEGFAULTs on ASAN/MSAN builds")
import crypt
IMPORT_ERROR = None
except ImportError as ex:
if sys.platform != 'win32':
raise unittest.SkipTest(str(ex))
crypt = None
IMPORT_ERROR = str(ex)
@unittest.skipUnless(sys.platform == 'win32', 'This should only run on windows')
@unittest.skipIf(crypt, 'import succeeded')
class TestWhyCryptDidNotImport(unittest.TestCase):
def test_import_failure_message(self):
self.assertIn('not supported', IMPORT_ERROR)
@unittest.skipUnless(crypt, 'crypt module is required')
class CryptTestCase(unittest.TestCase):
def test_crypt(self):
cr = crypt.crypt('mypassword')
cr2 = crypt.crypt('mypassword', cr)
self.assertEqual(cr2, cr)
cr = crypt.crypt('mypassword', 'ab')
if cr is not None:
cr2 = crypt.crypt('mypassword', cr)
self.assertEqual(cr2, cr)
def test_salt(self):
self.assertEqual(len(crypt._saltchars), 64)
for method in crypt.methods:
salt = crypt.mksalt(method)
self.assertIn(len(salt) - method.salt_chars, {0, 1, 3, 4, 6, 7})
if method.ident:
self.assertIn(method.ident, salt[:len(salt)-method.salt_chars])
def test_saltedcrypt(self):
for method in crypt.methods:
cr = crypt.crypt('assword', method)
self.assertEqual(len(cr), method.total_size)
cr2 = crypt.crypt('assword', cr)
self.assertEqual(cr2, cr)
cr = crypt.crypt('assword', crypt.mksalt(method))
self.assertEqual(len(cr), method.total_size)
def test_methods(self):
self.assertTrue(len(crypt.methods) >= 1)
if sys.platform.startswith('openbsd'):
self.assertEqual(crypt.methods, [crypt.METHOD_BLOWFISH])
else:
self.assertEqual(crypt.methods[-1], crypt.METHOD_CRYPT)
@unittest.skipUnless(
crypt
and (
crypt.METHOD_SHA256 in crypt.methods or crypt.METHOD_SHA512 in crypt.methods
),
'requires support of SHA-2',
)
def test_sha2_rounds(self):
for method in (crypt.METHOD_SHA256, crypt.METHOD_SHA512):
for rounds in 1000, 10_000, 100_000:
salt = crypt.mksalt(method, rounds=rounds)
self.assertIn('$rounds=%d$' % rounds, salt)
self.assertEqual(len(salt) - method.salt_chars,
11 + len(str(rounds)))
cr = crypt.crypt('mypassword', salt)
self.assertTrue(cr)
cr2 = crypt.crypt('mypassword', cr)
self.assertEqual(cr2, cr)
@unittest.skipUnless(
crypt and crypt.METHOD_BLOWFISH in crypt.methods, 'requires support of Blowfish'
)
def test_blowfish_rounds(self):
for log_rounds in range(4, 11):
salt = crypt.mksalt(crypt.METHOD_BLOWFISH, rounds=1 << log_rounds)
self.assertIn('$%02d$' % log_rounds, salt)
self.assertIn(len(salt) - crypt.METHOD_BLOWFISH.salt_chars, {6, 7})
cr = crypt.crypt('mypassword', salt)
self.assertTrue(cr)
cr2 = crypt.crypt('mypassword', cr)
self.assertEqual(cr2, cr)
def test_invalid_rounds(self):
for method in (crypt.METHOD_SHA256, crypt.METHOD_SHA512,
crypt.METHOD_BLOWFISH):
with self.assertRaises(TypeError):
crypt.mksalt(method, rounds='4096')
with self.assertRaises(TypeError):
crypt.mksalt(method, rounds=4096.0)
for rounds in (0, 1, -1, 1<<999):
with self.assertRaises(ValueError):
crypt.mksalt(method, rounds=rounds)
with self.assertRaises(ValueError):
crypt.mksalt(crypt.METHOD_BLOWFISH, rounds=1000)
for method in (crypt.METHOD_CRYPT, crypt.METHOD_MD5):
with self.assertRaisesRegex(ValueError, 'support'):
crypt.mksalt(method, rounds=4096)
if __name__ == "__main__":
unittest.main()