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from unittest import TestCase
from pyecsca.ec.params import get_params
from pyecsca.ec.transformations import M2SW, M2TE, TE2M, SW2M, SW2TE
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))
def test_twistededwards(self):
ed25519 = get_params("other", "Ed25519", "affine")
m = TE2M(ed25519)
self.assertIsNotNone(m)
self.assertTrue(m.curve.is_on_curve(m.generator))
self.assertTrue(m.curve.is_neutral(m.curve.neutral))
def test_shortweierstrass(self):
secp128r2 = get_params("secg", "secp128r2", "affine")
m = SW2M(secp128r2)
self.assertIsNotNone(m)
self.assertTrue(m.curve.is_on_curve(m.generator))
self.assertTrue(m.curve.is_neutral(m.curve.neutral))
te = SW2TE(secp128r2)
self.assertIsNotNone(te)
self.assertTrue(te.curve.is_on_curve(te.generator))
self.assertTrue(te.curve.is_neutral(te.curve.neutral))
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