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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.
import binascii
import os
import pytest
from cryptography.hazmat.primitives.ciphers import algorithms, modes
from .utils import generate_encrypt_test
from ...utils import load_nist_vectors
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms._IDEAInternal(b"\x00" * 16), modes.ECB()
),
skip_message="Does not support IDEA ECB",
)
class TestIDEAModeECB:
test_ecb = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "IDEA"),
["idea-ecb.txt"],
lambda key, **kwargs: algorithms._IDEAInternal(
binascii.unhexlify((key))
),
lambda **kwargs: modes.ECB(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms._IDEAInternal(b"\x00" * 16), modes.CBC(b"\x00" * 8)
),
skip_message="Does not support IDEA CBC",
)
class TestIDEAModeCBC:
test_cbc = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "IDEA"),
["idea-cbc.txt"],
lambda key, **kwargs: algorithms._IDEAInternal(
binascii.unhexlify((key))
),
lambda iv, **kwargs: modes.CBC(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms._IDEAInternal(b"\x00" * 16), modes.OFB(b"\x00" * 8)
),
skip_message="Does not support IDEA OFB",
)
class TestIDEAModeOFB:
test_ofb = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "IDEA"),
["idea-ofb.txt"],
lambda key, **kwargs: algorithms._IDEAInternal(
binascii.unhexlify((key))
),
lambda iv, **kwargs: modes.OFB(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms._IDEAInternal(b"\x00" * 16), modes.CFB(b"\x00" * 8)
),
skip_message="Does not support IDEA CFB",
)
class TestIDEAModeCFB:
test_cfb = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "IDEA"),
["idea-cfb.txt"],
lambda key, **kwargs: algorithms._IDEAInternal(
binascii.unhexlify((key))
),
lambda iv, **kwargs: modes.CFB(binascii.unhexlify(iv)),
)
|
