def __init__(self, rand):
self.cv = find_group_hash(b'TVRandPt', rand.b(32))
self.cmu = Fq(leos2ip(rand.b(32)))
self.ephemeralKey = find_group_hash(b'TVRandPt', rand.b(32))
self.encCiphertext = rand.b(ZC_SAPLING_ENCCIPHERTEXT_SIZE)
self.outCipherText = rand.b(ZC_SAPLING_OUTCIPHERTEXT_SIZE)
self.proof = GrothProof(rand)
def __init__(self, rand):
self.cv = find_group_hash(b'TVRandPt', rand.b(32))
self.anchor = Fq(leos2ip(rand.b(32)))
self.nullifier = rand.b(32)
self.rk = Point.rand(rand)
self.proof = GrothProof(rand)
self.spendAuthSig = rand.b(64) # Invalid
def homomorphic_pedersen_commitment(rcv, D, v):
return find_group_hash(D, b'v') * v + find_group_hash(D, b'r') * rcv
def I_D_i(D, i):
return find_group_hash(D, i2leosp(32, i - 1))