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Expected length of signature depends on its group order, not field order

pull/206/head
David Núñez 2018-08-10 10:10:01 -05:00
parent 08d6b9d44f
commit 204f295bfb
1 changed files with 1 additions and 1 deletions
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umbral/signing.py
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@ -50,7 +50,7 @@ class Signature:
@classmethod @classmethod
def expected_bytes_length(cls, curve: Optional[Curve] = None) -> int: def expected_bytes_length(cls, curve: Optional[Curve] = None) -> int:
curve = curve if curve is not None else default_curve() curve = curve if curve is not None else default_curve()
return 2 * curve.field_order_size_in_bytes return 2 * curve.group_order_size_in_bytes
def verify(self, message: bytes, verifying_key: UmbralPublicKey) -> bool: def verify(self, message: bytes, verifying_key: UmbralPublicKey) -> bool:
""" """