def test_fast_aggregate_verify(SKs, message):
PKs = [G2ProofOfPossession.PrivToPub(sk) for sk in SKs]
signatures = [G2ProofOfPossession.Sign(sk, message) for sk in SKs]
aggregate_signature = G2ProofOfPossession.Aggregate(signatures)
assert G2ProofOfPossession.FastAggregateVerify(PKs, message,
aggregate_signature)
def compute_aggregate_signature(SKs, message):
PKs = [G2ProofOfPossession.SkToPk(sk) for sk in SKs]
signatures = [G2ProofOfPossession.Sign(sk, message) for sk in SKs]
aggregate_signature = G2ProofOfPossession.Aggregate(signatures)
return (PKs, aggregate_signature)
def Aggregate(signatures: Sequence[BLSSignature]) -> BLSSignature:
# py_ecc use a different EMPTY_SIGNATURE. Return the Trinity one here:
if len(signatures) == 0:
return EMPTY_SIGNATURE
return G2ProofOfPossession.Aggregate(signatures)
def Aggregate(signatures):
return bls.Aggregate(signatures)
