nucypher/tests/keystore/test_keypairs.py

66 lines
2.1 KiB
Python

import pytest
import sha3
from nucypher.keystore import keypairs
from umbral.keys import UmbralPrivateKey
from constant_sorrow.constants import PUBLIC_ONLY
def test_gen_keypair_if_needed():
new_enc_keypair = keypairs.EncryptingKeypair()
assert new_enc_keypair._privkey != None
assert new_enc_keypair.pubkey != None
new_sig_keypair = keypairs.SigningKeypair()
assert new_sig_keypair._privkey != None
assert new_sig_keypair.pubkey != None
def test_keypair_with_umbral_keys():
umbral_privkey = UmbralPrivateKey.gen_key()
umbral_pubkey = umbral_privkey.get_pubkey()
new_keypair_from_priv = keypairs.Keypair(umbral_privkey)
assert new_keypair_from_priv._privkey.bn_key.to_bytes() == umbral_privkey.bn_key.to_bytes()
assert new_keypair_from_priv.pubkey.to_bytes() == umbral_pubkey.to_bytes()
new_keypair_from_pub = keypairs.Keypair(umbral_pubkey)
assert new_keypair_from_pub.pubkey.to_bytes() == umbral_pubkey.to_bytes()
assert new_keypair_from_pub._privkey == PUBLIC_ONLY
def test_keypair_serialization():
umbral_pubkey = UmbralPrivateKey.gen_key().get_pubkey()
new_keypair = keypairs.Keypair(umbral_pubkey)
pubkey_bytes = new_keypair.serialize_pubkey()
assert pubkey_bytes == bytes(umbral_pubkey)
pubkey_b64 = new_keypair.serialize_pubkey(as_b64=True)
assert pubkey_b64 == umbral_pubkey.to_bytes()
def test_keypair_fingerprint():
umbral_pubkey = UmbralPrivateKey.gen_key().get_pubkey()
new_keypair = keypairs.Keypair(umbral_pubkey)
fingerprint = new_keypair.fingerprint()
assert fingerprint != None
umbral_fingerprint = sha3.keccak_256(bytes(umbral_pubkey)).hexdigest().encode()
assert fingerprint == umbral_fingerprint
def test_signing():
umbral_privkey = UmbralPrivateKey.gen_key()
sig_keypair = keypairs.SigningKeypair(umbral_privkey)
msg = b'attack at dawn'
signature = sig_keypair.sign(msg)
assert signature.verify(msg, sig_keypair.pubkey) == True
bad_msg = b'bad message'
assert signature.verify(bad_msg, sig_keypair.pubkey) == False
# TODO: Add test for EncryptingKeypair.decrypt