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Diffstat (limited to 'pyecsca/ec/divpoly.py')
| -rw-r--r-- | pyecsca/ec/divpoly.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pyecsca/ec/divpoly.py b/pyecsca/ec/divpoly.py index c92ef64..a616801 100644 --- a/pyecsca/ec/divpoly.py +++ b/pyecsca/ec/divpoly.py @@ -194,6 +194,8 @@ def divpoly(curve: EllipticCurve, n: int, two_torsion_multiplicity: int = 2) -> return f * divpoly0(curve, -1)[-1] else: return f + else: + raise ValueError def mult_by_n(curve: EllipticCurve, n: int) -> Tuple[Tuple[Poly, Poly], Tuple[Poly, Poly]]: @@ -211,7 +213,7 @@ def mult_by_n(curve: EllipticCurve, n: int) -> Tuple[Tuple[Poly, Poly], Tuple[Po Kxy = lambda r: Poly(r, xs, ys, domain=K) # noqa if n == 1: - return x, y + return (x, Kxy(1)), (y, Kxy(1)) a1, a2, a3, a4, a6 = a_invariants(curve) |