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from public import public
from .curve import EllipticCurve
from .point import Point
@public
class AbelianGroup(object):
curve: EllipticCurve
generator: Point
neutral: Point
order: int
cofactor: int
def __init__(self, curve: EllipticCurve, generator: Point, neutral: Point, order: int,
cofactor: int):
self.curve = curve
self.generator = generator
self.neutral = neutral
self.order = order
self.cofactor = cofactor
def is_neutral(self, point: Point) -> bool:
return self.neutral == point
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