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-rw-r--r--tests/hazmat/primitives/test_ec.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/hazmat/primitives/test_ec.py b/tests/hazmat/primitives/test_ec.py
index 82b5b3a1..cc185145 100644
--- a/tests/hazmat/primitives/test_ec.py
+++ b/tests/hazmat/primitives/test_ec.py
@@ -642,6 +642,24 @@ class TestECSerialization(object):
DummyKeyEncryption()
)
+ def test_public_bytes_from_derived_public_key(self, backend):
+ _skip_curve_unsupported(backend, ec.SECP256R1())
+ key = load_vectors_from_file(
+ os.path.join(
+ "asymmetric", "PKCS8", "ec_private_key.pem"),
+ lambda pemfile: serialization.load_pem_private_key(
+ pemfile.read().encode(), None, backend
+ )
+ )
+ _skip_if_no_serialization(key, backend)
+ public = key.public_key()
+ pem = public.public_bytes(
+ serialization.Encoding.PEM,
+ serialization.PublicFormat.SubjectPublicKeyInfo
+ )
+ parsed_public = serialization.load_pem_public_key(pem, backend)
+ assert parsed_public
+
@pytest.mark.requires_backend_interface(interface=EllipticCurveBackend)
@pytest.mark.requires_backend_interface(interface=PEMSerializationBackend)