wolfcrypt-py/tests/test_pwdbased.py

61 lines
2.1 KiB
Python

# test_pwdbased.py
#
# Copyright (C) 2006-2022 wolfSSL Inc.
#
# This file is part of wolfSSL. (formerly known as CyaSSL)
#
# wolfSSL is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# wolfSSL is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
# pylint: disable=redefined-outer-name
from collections import namedtuple
import pytest
from wolfcrypt._ffi import lib as _lib
if _lib.PWDBASED_ENABLED:
from wolfcrypt.pwdbased import PBKDF2
if _lib.SHA_ENABLED:
from wolfcrypt.hashes import Sha
if _lib.HMAC_ENABLED:
from wolfcrypt.hashes import HmacSha
@pytest.fixture
def pbkdf2_vectors():
TestVector = namedtuple("TestVector", """password salt iterations key_length
hash_type""")
TestVector.__new__.__defaults__ = (None,) * len(TestVector._fields)
vectors = []
if _lib.PWDBASED_ENABLED and _lib.SHA_ENABLED and _lib.HMAC_ENABLED:
# HMAC requires a key, which in this case is the password. Do not
# shorten the length of the password below the FIPS requirement.
# See HMAC_FIPS_MIN_KEY.
vectors.append(TestVector(
password="wolfcrypt is the best crypto around",
salt="salt1234",
iterations=1000,
key_length=Sha.digest_size,
hash_type=HmacSha._type
))
return vectors
def test_pbkdf2(pbkdf2_vectors):
for vector in pbkdf2_vectors:
key = PBKDF2(vector.password, vector.salt, vector.iterations,
vector.key_length, vector.hash_type)
assert len(key) == vector.key_length