mirror of https://github.com/nucypher/pyUmbral.git
140 lines
3.6 KiB
Python
140 lines
3.6 KiB
Python
"""
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This file is part of pyUmbral.
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pyUmbral is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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pyUmbral is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pyUmbral. If not, see <https://www.gnu.org/licenses/>.
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"""
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import pytest
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from collections import namedtuple
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from umbral import keys
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from umbral.curve import SECP256K1, SECP384R1, SECP256R1
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from umbral.curvebn import CurveBN
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from umbral.config import set_default_curve
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from umbral.point import Point
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from umbral.signing import Signer
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from umbral import pre
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set_default_curve(SECP256K1)
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parameters = (
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# (N, M)
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(1, 1),
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(6, 1),
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(6, 4),
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(6, 6),
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(50, 30)
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)
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wrong_parameters = (
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# (N, M)
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(-1, -1), (-1, 0), (-1, 5),
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(0, -1), (0, 0), (0, 5),
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(1, -1), (1, 0), (1, 5),
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(5, -1), (5, 0), (5, 10)
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)
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other_supported_curves = (
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SECP384R1,
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SECP256R1
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)
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kfrag_signing_modes = (
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(True, True), (True, False), (False, True), (False, False)
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)
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@pytest.fixture
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def alices_keys():
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delegating_priv = keys.UmbralPrivateKey.gen_key()
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signing_priv = keys.UmbralPrivateKey.gen_key()
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return delegating_priv, signing_priv
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@pytest.fixture
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def bobs_keys():
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priv = keys.UmbralPrivateKey.gen_key()
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pub = priv.get_pubkey()
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return priv, pub
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@pytest.fixture()
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def random_ec_point1():
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yield Point.gen_rand()
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@pytest.fixture()
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def random_ec_point2():
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yield Point.gen_rand()
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@pytest.fixture()
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def random_ec_curvebn1():
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yield CurveBN.gen_rand()
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@pytest.fixture()
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def random_ec_curvebn2():
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yield CurveBN.gen_rand()
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@pytest.fixture(scope='session')
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def message():
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message = b"dnunez [9:30 AM]" \
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b"@Tux we had this super fruitful discussion last night with @jMyles @michwill @KPrasch" \
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b"to sum up: the symmetric ciphertext is now called the 'Chimney'." \
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b"the chimney of the capsule, of course" \
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b"tux [9:32 AM]" \
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b"wat"
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return message
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@pytest.fixture
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def ciphertext_and_capsule(alices_keys, message):
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delegating_privkey, _signing_privkey = alices_keys
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# See nucypher's issue #183
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chimney, capsule = pre.encrypt(delegating_privkey.get_pubkey(), message)
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return chimney, capsule
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@pytest.fixture
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def capsule(ciphertext_and_capsule):
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ciphertext, capsule = ciphertext_and_capsule
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return capsule
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@pytest.fixture
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def prepared_capsule(alices_keys, bobs_keys, capsule):
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delegating_privkey, signing_privkey = alices_keys
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_receiving_privkey, receiving_pubkey = bobs_keys
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capsule.set_correctness_keys(delegating=delegating_privkey.get_pubkey(),
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receiving=receiving_pubkey,
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verifying=signing_privkey.get_pubkey())
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return capsule
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@pytest.fixture
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def kfrags(alices_keys, bobs_keys):
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delegating_privkey, signing_privkey = alices_keys
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signer_alice = Signer(signing_privkey)
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receiving_privkey, receiving_pubkey = bobs_keys
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yield pre.generate_kfrags(delegating_privkey=delegating_privkey,
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signer=signer_alice,
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receiving_pubkey=receiving_pubkey,
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threshold=6, N=10)
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