def broadcast_reconstruct_share(self, tensor_name=None):
from federatedml.secureprotol.spdz import SPDZ
spdz = SPDZ.get_instance()
share_val = self.value.copy()
name = tensor_name or self.tensor_name
if name is None:
raise ValueError("name not specified")
# remote share to other parties
spdz.communicator.broadcast_rescontruct_share(share_val, name)
return share_val
def rescontruct(self, tensor_name=None):
from federatedml.secureprotol.spdz import SPDZ
spdz = SPDZ.get_instance()
share_val = self.value
name = tensor_name or self.tensor_name
if name is None:
raise ValueError("name not specified")
# remote share to other parties
spdz.communicator.broadcast_rescontruct_share(share_val, name)
# get shares from other parties
for other_share in spdz.communicator.get_rescontruct_shares(name):
share_val = _table_binary_op(share_val, other_share, self.q_field, operator.add)
return share_val
def reconstruct(self, tensor_name=None, broadcast=True):
from federatedml.secureprotol.spdz import SPDZ
spdz = SPDZ.get_instance()
share_val = self.value.copy()
LOGGER.debug(f"share_val: {share_val}")
name = tensor_name or self.tensor_name
if name is None:
raise ValueError("name not specified")
# remote share to other parties
if broadcast:
spdz.communicator.broadcast_rescontruct_share(share_val, name)
# get shares from other parties
for other_share in spdz.communicator.get_rescontruct_shares(name):
# LOGGER.debug(f"share_val: {share_val}, other_share: {other_share}")
share_val += other_share
try:
share_val %= self.q_field
return share_val
except BaseException:
return share_val
def get_spdz(cls):
from federatedml.secureprotol.spdz import SPDZ
return SPDZ.get_instance()