1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
from unittest import TestCase
from pyecsca.ec.mod import Mod
from pyecsca.ec.point import Point
from .curves import get_secp128r1
class CurveTests(TestCase):
def setUp(self):
self.secp128r1 = get_secp128r1()
self.base = self.secp128r1.generator
def test_is_on_curve(self):
pt = Point(self.secp128r1.curve.coordinate_model,
X=Mod(0x161ff7528b899b2d0c28607ca52c5b86, self.secp128r1.curve.prime),
Y=Mod(0xcf5ac8395bafeb13c02da292dded7a83, self.secp128r1.curve.prime),
Z=Mod(1, self.secp128r1.curve.prime))
assert self.secp128r1.curve.is_on_curve(pt)
assert self.secp128r1.curve.is_on_curve(pt.to_affine())
other = Point(self.secp128r1.curve.coordinate_model,
X=Mod(0x161ff7528b899b2d0c28607ca52c5b86, self.secp128r1.curve.prime),
Y=Mod(0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, self.secp128r1.curve.prime),
Z=Mod(1, self.secp128r1.curve.prime))
assert not self.secp128r1.curve.is_on_curve(other)
def test_repr(self):
self.assertEqual(repr(self.secp128r1.curve),
"EllipticCurve([a=340282366762482138434845932244680310780, b=308990863222245658030922601041482374867] on ShortWeierstrassModel() using EFDCoordinateModel(\"projective\" on short Weierstrass curves))")
|
