Add curve transformations M2SW and M2TE.

1 files changed, 18 insertions, 0 deletions

diff --git a/test/ec/test_transformations.py b/test/ec/test_transformations.py
new file mode 100644
index 0000000..2f2383c
--- /dev/null
+++ b/test/ec/test_transformations.py
@@ -0,0 +1,18 @@
+from unittest import TestCase
+
+from pyecsca.ec.params import get_params
+from pyecsca.ec.transformations import M2SW, M2TE
+
+
+class TransformationTests(TestCase):
+
+    def test_montgomery(self):
+        curve25519 = get_params("other", "Curve25519", "affine")
+        sw = M2SW(curve25519)
+        self.assertIsNotNone(sw)
+        self.assertTrue(sw.curve.is_on_curve(sw.generator))
+        self.assertTrue(sw.curve.is_neutral(sw.curve.neutral))
+        te = M2TE(curve25519)
+        self.assertIsNotNone(te)
+        self.assertTrue(te.curve.is_on_curve(te.generator))
+        self.assertTrue(te.curve.is_neutral(te.curve.neutral))