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zcash-test-vectors
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Change variable names to match the spec

This commit is contained in:
Jack Grigg 2018-05-18 12:45:19 +12:00
parent 95f483fd3d
commit edaf23fdf8
1 changed files with 10 additions and 5 deletions
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15
sapling_generators.py
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@ -9,10 +9,15 @@ from sapling_jubjub import Point, JUBJUB_COFACTOR
# We deliberately use an ASCII hex string of 32 bytes here. # We deliberately use an ASCII hex string of 32 bytes here.
CRS = b'096b36a5804bfacef1691e173c366a47ff5ba84a44f26ddd7e8d9f79d5b42df0' CRS = b'096b36a5804bfacef1691e173c366a47ff5ba84a44f26ddd7e8d9f79d5b42df0'
def group_hash(d, m):
digest = blake2s(person=d) #
# Group hash
#
def group_hash(D, M):
digest = blake2s(person=D)
digest.update(CRS) digest.update(CRS)
digest.update(m) digest.update(M)
p = Point.from_bytes(digest.digest()) p = Point.from_bytes(digest.digest())
if not p: if not p:
return None return None
@ -21,10 +26,10 @@ def group_hash(d, m):
return None return None
return q return q
def find_group_hash(d, m): def find_group_hash(D, M):
i = 0 i = 0
while True: while True:
p = group_hash(d, m + bytes([i])) p = group_hash(D, M + bytes([i]))
if p: if p:
return p return p
i += 1 i += 1