def test_verify_multi_sig_works_for_invalid_signature(generator, message):
sign_key1 = SignKey.new(None)
ver_key1 = VerKey.new(generator, sign_key1)
sign_key2 = SignKey.new(None)
ver_key2 = VerKey.new(generator, SignKey.new(None))
signature1 = Bls.sign(message, sign_key1)
signature2 = Bls.sign(message, sign_key2)
multi_signature_invalid = MultiSignature.new([signature1, signature2])
valid = Bls.verify_multi_sig(multi_signature_invalid, message,
[ver_key1, ver_key2], generator)
assert not valid
def signature2(message, sign_key2):
signature = Bls.sign(message, sign_key2)
assert type(signature) is Signature
assert signature.c_instance is not None
return signature
def sign(self, message: bytes) -> str:
sign = Bls.sign(message, self._sk)
return IndyCryptoBlsUtils.bls_to_str(sign)