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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import absolute_import, division, print_function
import binascii
import os
import pytest
from cryptography.hazmat.backends.interfaces import CipherBackend
from cryptography.hazmat.primitives.ciphers import algorithms, modes
from .utils import generate_encrypt_test
from ...utils import load_cryptrec_vectors, load_nist_vectors
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.Camellia(b"\x00" * 16), modes.ECB()
),
skip_message="Does not support Camellia ECB",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestCamelliaModeECB(object):
test_ecb = generate_encrypt_test(
load_cryptrec_vectors,
os.path.join("ciphers", "Camellia"),
[
"camellia-128-ecb.txt",
"camellia-192-ecb.txt",
"camellia-256-ecb.txt",
],
lambda key, **kwargs: algorithms.Camellia(binascii.unhexlify(key)),
lambda **kwargs: modes.ECB(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.Camellia(b"\x00" * 16), modes.CBC(b"\x00" * 16)
),
skip_message="Does not support Camellia CBC",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestCamelliaModeCBC(object):
test_cbc = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "Camellia"),
["camellia-cbc.txt"],
lambda key, **kwargs: algorithms.Camellia(binascii.unhexlify(key)),
lambda iv, **kwargs: modes.CBC(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.Camellia(b"\x00" * 16), modes.OFB(b"\x00" * 16)
),
skip_message="Does not support Camellia OFB",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestCamelliaModeOFB(object):
test_ofb = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "Camellia"),
["camellia-ofb.txt"],
lambda key, **kwargs: algorithms.Camellia(binascii.unhexlify(key)),
lambda iv, **kwargs: modes.OFB(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.Camellia(b"\x00" * 16), modes.CFB(b"\x00" * 16)
),
skip_message="Does not support Camellia CFB",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestCamelliaModeCFB(object):
test_cfb = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "Camellia"),
["camellia-cfb.txt"],
lambda key, **kwargs: algorithms.Camellia(binascii.unhexlify(key)),
lambda iv, **kwargs: modes.CFB(binascii.unhexlify(iv)),
)
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