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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 pytest
from cryptography.hazmat.backends.interfaces import HMACBackend
from cryptography.hazmat.primitives import hashes
from .utils import generate_hmac_test
from ...utils import load_hash_vectors
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.MD5()),
skip_message="Does not support MD5",
)
@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestHMACMD5(object):
test_hmac_md5 = generate_hmac_test(
load_hash_vectors,
"HMAC",
[
"rfc-2202-md5.txt",
],
hashes.MD5(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA1()),
skip_message="Does not support SHA1",
)
@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestHMACSHA1(object):
test_hmac_sha1 = generate_hmac_test(
load_hash_vectors,
"HMAC",
[
"rfc-2202-sha1.txt",
],
hashes.SHA1(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA224()),
skip_message="Does not support SHA224",
)
@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestHMACSHA224(object):
test_hmac_sha224 = generate_hmac_test(
load_hash_vectors,
"HMAC",
[
"rfc-4231-sha224.txt",
],
hashes.SHA224(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA256()),
skip_message="Does not support SHA256",
)
@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestHMACSHA256(object):
test_hmac_sha256 = generate_hmac_test(
load_hash_vectors,
"HMAC",
[
"rfc-4231-sha256.txt",
],
hashes.SHA256(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA384()),
skip_message="Does not support SHA384",
)
@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestHMACSHA384(object):
test_hmac_sha384 = generate_hmac_test(
load_hash_vectors,
"HMAC",
[
"rfc-4231-sha384.txt",
],
hashes.SHA384(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA512()),
skip_message="Does not support SHA512",
)
@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestHMACSHA512(object):
test_hmac_sha512 = generate_hmac_test(
load_hash_vectors,
"HMAC",
[
"rfc-4231-sha512.txt",
],
hashes.SHA512(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.RIPEMD160()),
skip_message="Does not support RIPEMD160",
)
@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestHMACRIPEMD160(object):
test_hmac_ripemd160 = generate_hmac_test(
load_hash_vectors,
"HMAC",
[
"rfc-2286-ripemd160.txt",
],
hashes.RIPEMD160(),
)
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