FM / oslo

/opt/imh-python/lib/python3.9/site-packages/oslo_utils/

/opt/imh-python/lib/python3.9/site-packages/oslo_utils

Name	Size	Mode	Actions
locale/	-	0755	rm
tests/	-	0755	rm
__pycache__/	-	0755	rm
dictutils.py	1194	0644	edit dl rm
encodeutils.py	6233	0644	edit dl rm
eventletutils.py	7090	0644	edit dl rm
excutils.py	14562	0644	edit dl rm
fileutils.py	6098	0644	edit dl rm
fixture.py	3420	0644	edit dl rm
imageutils.py	8716	0644	edit dl rm
importutils.py	3743	0644	edit dl rm
netutils.py	18112	0644	edit dl rm
reflection.py	7120	0644	edit dl rm
secretutils.py	2198	0644	edit dl rm
specs_matcher.py	7646	0644	edit dl rm
strutils.py	21955	0644	edit dl rm
timeutils.py	15844	0644	edit dl rm
units.py	1380	0644	edit dl rm
uuidutils.py	1572	0644	edit dl rm
versionutils.py	2958	0644	edit dl rm
_i18n.py	855	0644	edit dl rm
__init__.py	0	0644	edit dl rm

Edit: /opt/imh-python/lib/python3.9/site-packages/oslo_utils/secretutils.py (2198B)

"""
Secret utilities.

.. versionadded:: 3.5
"""

import hashlib
import hmac

def _constant_time_compare(first, second):
    """Return True if both string or binary inputs are equal, otherwise False.

This function should take a constant amount of time regardless of
    how many characters in the strings match. This function uses an
    approach designed to prevent timing analysis by avoiding
    content-based short circuiting behaviour, making it appropriate
    for cryptography.
    """
    first = str(first)
    second = str(second)
    if len(first) != len(second):
        return False
    result = 0
    for x, y in zip(first, second):
        result |= ord(x) ^ ord(y)
    return result == 0

try:
    constant_time_compare = hmac.compare_digest
except AttributeError:
    constant_time_compare = _constant_time_compare

try:
    _ = hashlib.md5(usedforsecurity=False)  # nosec

def md5(string=b'', usedforsecurity=True):
        """Return an md5 hashlib object using usedforsecurity parameter

For python distributions that support the usedforsecurity keyword
        parameter, this passes the parameter through as expected.
        See https://bugs.python.org/issue9216
        """
        return hashlib.md5(string, usedforsecurity=usedforsecurity)  # nosec
except TypeError:
    def md5(string=b'', usedforsecurity=True):
        """Return an md5 hashlib object without usedforsecurity parameter

For python distributions that do not yet support this keyword
        parameter, we drop the parameter
        """
        return hashlib.md5(string)  # nosec

# All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. """ Secret utilities. .. versionadded:: 3.5 """ import hashlib import hmac def _constant_time_compare(first, second): """Return True if both string or binary inputs are equal, otherwise False. This function should take a constant amount of time regardless of how many characters in the strings match. This function uses an approach designed to prevent timing analysis by avoiding content-based short circuiting behaviour, making it appropriate for cryptography. """ first = str(first) second = str(second) if len(first) != len(second): return False result = 0 for x, y in zip(first, second): result |= ord(x) ^ ord(y) return result == 0 try: constant_time_compare = hmac.compare_digest except AttributeError: constant_time_compare = _constant_time_compare try: _ = hashlib.md5(usedforsecurity=False) # nosec def md5(string=b'', usedforsecurity=True): """Return an md5 hashlib object using usedforsecurity parameter For python distributions that support the usedforsecurity keyword parameter, this passes the parameter through as expected. See https://bugs.python.org/issue9216 """ return hashlib.md5(string, usedforsecurity=usedforsecurity) # nosec except TypeError: def md5(string=b'', usedforsecurity=True): """Return an md5 hashlib object without usedforsecurity parameter For python distributions that do not yet support this keyword parameter, we drop the parameter """ return hashlib.md5(string) # nosec