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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 os
import pytest
from cryptography.hazmat.primitives import hashes
from ...utils import load_nist_vectors
from .utils import generate_hkdf_test
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA1()),
skip_message="Does not support SHA1.",
)
class TestHKDFSHA1:
test_hkdfsha1 = generate_hkdf_test(
load_nist_vectors,
os.path.join("KDF"),
["rfc-5869-HKDF-SHA1.txt"],
hashes.SHA1(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA256()),
skip_message="Does not support SHA256.",
)
class TestHKDFSHA256:
test_hkdfsha256 = generate_hkdf_test(
load_nist_vectors,
os.path.join("KDF"),
["rfc-5869-HKDF-SHA256.txt"],
hashes.SHA256(),
)
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