mirror of https://github.com/nucypher/nucypher.git
28 lines
983 B
Python
28 lines
983 B
Python
from nucypher.crypto.api import ecdsa_sign
|
|
from umbral.keys import UmbralPrivateKey
|
|
from nucypher.crypto.signing import Signature
|
|
|
|
|
|
def test_signature_can_verify():
|
|
privkey = UmbralPrivateKey.gen_key()
|
|
message = b"attack at dawn"
|
|
der_sig_bytes = ecdsa_sign(message, privkey)
|
|
signature = Signature.from_bytes(der_sig_bytes, der_encoded=True)
|
|
assert signature.verify(message, privkey.get_pubkey())
|
|
|
|
|
|
def test_signature_rs_serialization():
|
|
privkey = UmbralPrivateKey.gen_key()
|
|
message = b"attack at dawn"
|
|
der_sig_bytes = ecdsa_sign(message, privkey)
|
|
|
|
signature_from_der = Signature.from_bytes(der_sig_bytes, der_encoded=True)
|
|
rs_sig_bytes = bytes(signature_from_der)
|
|
assert len(rs_sig_bytes) == 64
|
|
|
|
signature_from_rs = Signature.from_bytes(rs_sig_bytes, der_encoded=False)
|
|
|
|
assert signature_from_rs == signature_from_der
|
|
assert signature_from_rs == der_sig_bytes
|
|
assert signature_from_rs.verify(message, privkey.get_pubkey())
|