Separate ECC key material from operations

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/hazmat/primitives/test_ec.py b/tests/hazmat/primitives/test_ec.py
new file mode 100644
index 00000000..9b31a2a6
--- /dev/null
+++ b/tests/hazmat/primitives/test_ec.py
@@ -0,0 +1,73 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from __future__ import absolute_import, division, print_function
+
+import pytest
+
+from cryptography import utils
+from cryptography.hazmat.primitives import interfaces
+from cryptography.hazmat.primitives.asymmetric import ec
+
+
+@utils.register_interface(interfaces.EllipticCurve)
+class DummyCurve(object):
+    name = "dummy-curve"
+
+
+class TestECC(object):
+    def test_ec_numbers(self):
+        numbers = ec.EllipticCurvePrivateNumbers(
+            1,
+            ec.EllipticCurvePublicNumbers(
+                2, 3, DummyCurve()
+            )
+        )
+
+        assert numbers.private_key == 1
+        assert numbers.public_numbers.x == 2
+        assert numbers.public_numbers.y == 3
+        assert isinstance(numbers.public_numbers.curve, DummyCurve)
+
+        with pytest.raises(TypeError):
+            ec.EllipticCurvePrivateNumbers(
+                None,
+                ec.EllipticCurvePublicNumbers(
+                    2, 3, DummyCurve()
+                )
+            )
+
+        with pytest.raises(TypeError):
+            ec.EllipticCurvePrivateNumbers(
+                1,
+                ec.EllipticCurvePublicNumbers(
+                    None, 3, DummyCurve()
+                )
+            )
+
+        with pytest.raises(TypeError):
+            ec.EllipticCurvePrivateNumbers(
+                1,
+                ec.EllipticCurvePublicNumbers(
+                    2, None, DummyCurve()
+                )
+            )
+
+        with pytest.raises(TypeError):
+            ec.EllipticCurvePrivateNumbers(
+                1,
+                ec.EllipticCurvePublicNumbers(
+                    2, 3, None
+                )
+            )