def _init_model(self, param: SecureInformationRetrievalParam):
self._init_base_model(param)
if self.model_param.oblivious_transfer_protocol == consts.OT_HAUCK:
self.oblivious_transfer = HauckObliviousTransferSender()
else:
LOGGER.error("SIR only supports Hauck's OT")
def get(self, key):
try:
conn = self.get_conn()
value = conn.get(key)
if value:
LOGGER.info('get from redis, {}:{}'.format(key, value))
else:
LOGGER.info('get from redis return nil, key={}'.format(key))
return value
except Exception as e:
LOGGER.exception(e)
LOGGER.error('get from redis failed')
return None
def _init_model(self, param: SecureInformationRetrievalParam):
self._init_base_model(param)
if self.model_param.oblivious_transfer_protocol == consts.OT_HAUCK:
self.oblivious_transfer = HauckObliviousTransferReceiver()
else:
LOGGER.error("SIR only supports Hauck's OT")
raise ValueError("SIR only supports Hauck's OT")
if self.model_param.commutative_encryption == consts.CE_PH:
self.commutative_cipher = CryptoExecutor(PohligHellmanCipherKey.generate_key(self.model_param.key_size))
else:
LOGGER.error("SIR only supports Pohlig-Hellman encryption")
raise ValueError("SIR only supports Pohlig-Hellman encryption")
