def test_signer_encoded_public_key(patch_default_backend, patch_serialization,
patch_build_hasher,
patch_ecc_encode_compressed_point,
patch_base64):
patch_ecc_encode_compressed_point.return_value = sentinel.compressed_point
patch_base64.b64encode.return_value = sentinel.encoded_point
private_key = MagicMock()
signer = Signer(MagicMock(), key=private_key)
test_key = signer.encoded_public_key()
patch_ecc_encode_compressed_point.assert_called_once_with(private_key)
patch_base64.b64encode.assert_called_once_with(sentinel.compressed_point)
assert test_key == sentinel.encoded_point
def _generate_signing_key_and_update_encryption_context(
self, algorithm, encryption_context):
"""Generates a signing key based on the provided algorithm.
:param algorithm: Algorithm for which to generate signing key
:type algorithm: aws_encryption_sdk.identifiers.Algorithm
:param dict encryption_context: Encryption context from request
:returns: Signing key bytes
:rtype: bytes or None
"""
_LOGGER.debug("Generating signing key")
if algorithm.signing_algorithm_info is None:
return None
signer = Signer(algorithm=algorithm,
key=generate_ecc_signing_key(algorithm=algorithm))
encryption_context[ENCODED_SIGNER_KEY] = to_str(
signer.encoded_public_key())
return signer.key_bytes()