def test_share(self):
x = torch.LongTensor([-3])
spdz_x = x.share(alice, bob, james)
assert len(spdz_x.child.shares.child.pointer_tensor_dict.keys()) == 3
spdz_x.get()
assert sy.eq(spdz_x, sy.LongTensor([-3])).all()
def swap_shares(shares):
ptd = shares.child.pointer_tensor_dict
alice, bob = list(ptd.keys())
new_alice = (ptd[alice]+0)
new_bob = (ptd[bob]+0)
new_alice.send(bob)
new_bob.send(alice)
return sy._GeneralizedPointerTensor({alice: new_bob,bob: new_alice}).on(sy.LongTensor([]))
def string2values(str_input, max_len=128):
# truncate strings longer than max_len
str_input = str_input[:max_len].lower()
# pad strings shorter than max_len
if (len(str_input) < max_len):
str_input = str_input + "." * (max_len - len(str_input))
values = list()
for char in str_input:
values.append(char2int[char])
return sy.LongTensor(values)
def string2values(key, input_str):
values = list()
for char in input_str:
values.append(char2int[char])
return sy.LongTensor(values)
def string2key(input_str):
return sy.LongTensor([hash(input_str) % sy.mpc.securenn.field])