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zcash-test-vectors
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Use ff1 for default diversifier

This commit is contained in:
therealyingtong 2021-05-26 13:29:59 +08:00
parent f1342994dd
commit 646ff15777
1 changed files with 4 additions and 4 deletions
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8
orchard_key_components.py
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@ -1,14 +1,13 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import sys; assert sys.version_info[0] >= 3, "Python 3 required." import sys; assert sys.version_info[0] >= 3, "Python 3 required."
from pyblake2 import blake2b, blake2s from ff1 import ff1_aes256_encrypt
from orchard_generators import NULLIFIER_K_BASE, SPENDING_KEY_BASE, group_hash from orchard_generators import NULLIFIER_K_BASE, SPENDING_KEY_BASE, group_hash
from orchard_pallas import Fp, Scalar, Point from orchard_pallas import Fp, Scalar, Point
from orchard_poseidon_hash import poseidon_hash from orchard_poseidon_hash import poseidon_hash
from orchard_merkle_tree import MERKLE_DEPTH
from orchard_commitments import commit_ivk, note_commit from orchard_commitments import commit_ivk, note_commit
from utils import leos2bsp, leos2ip, i2leosp from utils import leos2bsp, leos2ip, i2leosp, i2lebsp, lebs2osp
from tv_output import render_args, render_tv from tv_output import render_args, render_tv
# #
@ -84,7 +83,8 @@ class FullViewingKey(object):
return prf_expand(self.data, b'\x02')[:32] return prf_expand(self.data, b'\x02')[:32]
def default_d(self): def default_d(self):
return i2leosp(88, 1337) index = i2lebsp(88, 0)
return lebs2osp(ff1_aes256_encrypt(self.dk, b'', index))
def default_pkd(self): def default_pkd(self):
return diversify_hash(self.default_d()) * Scalar(self.ivk().s) return diversify_hash(self.default_d()) * Scalar(self.ivk().s)