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# 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.
from __future__ import absolute_import, division, print_function
import binascii
import os
from cryptography.hazmat.primitives.block import ciphers, modes
from .utils import generate_encrypt_test
from ...utils import load_nist_vectors_from_file
class TestBlowfish(object):
test_ECB = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "Blowfish"),
["bf-ecb.txt"],
lambda key: ciphers.Blowfish(binascii.unhexlify(key)),
lambda key: modes.ECB(),
only_if=lambda backend: backend.ciphers.supported(
ciphers.Blowfish("\x00" * 56), modes.ECB()
),
skip_message="Does not support Blowfish ECB",
)
test_CBC = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "Blowfish"),
["bf-cbc.txt"],
lambda key, iv: ciphers.Blowfish(binascii.unhexlify(key)),
lambda key, iv: modes.CBC(binascii.unhexlify(iv)),
only_if=lambda backend: backend.ciphers.supported(
ciphers.Blowfish("\x00" * 56), modes.CBC("\x00" * 8)
),
skip_message="Does not support Blowfish CBC",
)
test_OFB = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "Blowfish"),
["bf-ofb.txt"],
lambda key, iv: ciphers.Blowfish(binascii.unhexlify(key)),
lambda key, iv: modes.OFB(binascii.unhexlify(iv)),
only_if=lambda backend: backend.ciphers.supported(
ciphers.Blowfish("\x00" * 56), modes.OFB("\x00" * 8)
),
skip_message="Does not support Blowfish OFB",
)
test_CFB = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "Blowfish"),
["bf-cfb.txt"],
lambda key, iv: ciphers.Blowfish(binascii.unhexlify(key)),
lambda key, iv: modes.CFB(binascii.unhexlify(iv)),
only_if=lambda backend: backend.ciphers.supported(
ciphers.Blowfish("\x00" * 56), modes.CFB("\x00" * 8)
),
skip_message="Does not support Blowfish CFB",
)
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