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from unittest import TestCase
from parameterized import parameterized
from pyecsca.ec.curves import get_params
class CurvesTests(TestCase):
@parameterized.expand([
("secg/secp128r1", "projective"),
("secg/secp256r1", "projective"),
("secg/secp521r1", "projective"),
("other/Curve25519", "xz"),
("other/Ed25519", "projective"),
("other/Ed448", "projective"),
("other/E-222", "projective")
])
def test_get_params(self, name, coords):
params = get_params(*name.split("/"), coords)
try:
assert params.curve.is_on_curve(params.generator)
except NotImplementedError:
pass
@parameterized.expand([
("no_category/some", "else"),
("secg/no_curve", "else"),
("secg/secp128r1", "some")
])
def test_unknown(self, name, coords):
with self.assertRaises(ValueError):
get_params(*name.split("/"), coords)
def test_assumption(self):
with self.assertRaises(ValueError):
get_params("secg", "secp128r1", "projective-1")
self.assertIsNotNone(get_params("secg", "secp128r1", "projective-3"))
def test_no_binary(self):
with self.assertRaises(ValueError):
get_params("secg", "sect163r1", "something")
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