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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 os
import pytest
from cryptography.hazmat.backends.interfaces import HashBackend
from cryptography.hazmat.primitives import hashes
from .utils import generate_hash_test
from ...utils import load_hash_vectors
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA1()),
skip_message="Does not support SHA1",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA1(object):
test_SHA1 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA1"),
[
"SHA1LongMsg.rsp",
"SHA1ShortMsg.rsp",
],
hashes.SHA1(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA224()),
skip_message="Does not support SHA224",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA224(object):
test_SHA224 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA224LongMsg.rsp",
"SHA224ShortMsg.rsp",
],
hashes.SHA224(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA256()),
skip_message="Does not support SHA256",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA256(object):
test_SHA256 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA256LongMsg.rsp",
"SHA256ShortMsg.rsp",
],
hashes.SHA256(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA384()),
skip_message="Does not support SHA384",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA384(object):
test_SHA384 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA384LongMsg.rsp",
"SHA384ShortMsg.rsp",
],
hashes.SHA384(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA512()),
skip_message="Does not support SHA512",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA512(object):
test_SHA512 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA512LongMsg.rsp",
"SHA512ShortMsg.rsp",
],
hashes.SHA512(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.MD5()),
skip_message="Does not support MD5",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestMD5(object):
test_md5 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "MD5"),
[
"rfc-1321.txt",
],
hashes.MD5(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(
hashes.BLAKE2b(digest_size=64)),
skip_message="Does not support BLAKE2b",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestBLAKE2b(object):
test_b2b = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "blake2"),
[
"blake2b.txt",
],
hashes.BLAKE2b(digest_size=64),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(
hashes.BLAKE2s(digest_size=32)),
skip_message="Does not support BLAKE2s",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestBLAKE2s256(object):
test_b2s = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "blake2"),
[
"blake2s.txt",
],
hashes.BLAKE2s(digest_size=32),
)
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