1bd3e6142b
hmac.compare_digest has been available since Python 3.3 [1], so this function is just a redundant wrapper for it in Python 3.x . [1] https://docs.python.org/3/library/hmac.html#hmac.compare_digest Closes-Bug: #2081732 Change-Id: I5203be58cb2aeb3b9d127840fd4b995bfb62fe4c
43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
# 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
|
|
|
|
import debtcollector.removals
|
|
|
|
|
|
@debtcollector.removals.remove(message='Use hmac.compare_digest instead',
|
|
category=PendingDeprecationWarning)
|
|
def constant_time_compare(*args, **kwargs):
|
|
return hmac.compare_digest(*args, **kwargs)
|
|
|
|
|
|
@debtcollector.removals.remove(message='Use hashlib.md5 instead',
|
|
category=PendingDeprecationWarning)
|
|
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
|