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Using KFrag with BytestringSplitter. Feels good.

pull/139/head
jMyles 2017-12-04 14:14:56 -08:00
parent 2fc80d3414
commit 9f41dfd06c
1 changed files with 3 additions and 3 deletions
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6
nkms/policy/models.py
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@ -4,6 +4,7 @@ from nkms.characters import Alice, Bob, Ursula
from nkms.crypto import api
from nkms.crypto.api import keccak_digest
from nkms.crypto.constants import HASH_DIGEST_LENGTH, NOT_SIGNED
from nkms.crypto.fragments import KFrag
from nkms.crypto.powers import EncryptingPower
from nkms.crypto.signature import Signature
from nkms.crypto.utils import BytestringSplitter
@ -12,7 +13,7 @@ from npre.constants import UNKNOWN_KFRAG
from npre.umbral import RekeyFrag
group_payload_splitter = BytestringSplitter(PublicKey)
policy_payload_splitter = BytestringSplitter((bytes, 66)) # TODO: I wish ReKeyFrag worked with this interface.
policy_payload_splitter = BytestringSplitter(KFrag)
class PolicyOffer(object):
@ -227,8 +228,7 @@ class Policy(object):
alices_signature, policy_payload = BytestringSplitter(Signature)(cleartext, return_remainder=True)
kfrag_bytes, encrypted_challenge_pack = policy_payload_splitter(policy_payload, return_remainder=True)
kfrag = RekeyFrag.from_bytes(kfrag_bytes)
kfrag, encrypted_challenge_pack = policy_payload_splitter(policy_payload, return_remainder=True)
policy = Policy(alice=alice, alices_signature=alices_signature, kfrag=kfrag,
encrypted_challenge_pack=encrypted_challenge_pack)