def protobuf_session_deserializer(proto: MPCSession_PB) -> Session:
id_session = UUID(bytes=proto.uuid)
rank = proto.rank
conf_dict = Dict._proto2object(proto=proto.config)
_conf_dict = {key: value for key, value in conf_dict.items()}
conf = Config(**_conf_dict)
ring_size = int.from_bytes(proto.ring_size, "big")
nr_parties = int.from_bytes(proto.nr_parties, "big")
protocol_deserialized = proto.protocol.decode()
session = Session(
config=conf,
uuid=id_session,
ring_size=ring_size,
protocol=protocol_deserialized,
)
session.rank = rank
session.crypto_store = CryptoStore()
session.nr_parties = nr_parties
if "session" in globals():
warning("Overwritting session for MPC")
globals()["session"] = session
return session
def protobuf_session_deserializer(proto: MPCSession_PB) -> Session:
id_session: Optional[str] = None
if proto.uuid:
id_session = proto.uuid
saved_session = sympc.session.get_session(id_session)
if saved_session and id_session == str(saved_session.uuid):
return saved_session
rank = proto.rank
conf_dict = Dict._proto2object(proto=proto.config)
_conf_dict = {key: value for key, value in conf_dict.items()}
conf = Config(**_conf_dict)
ring_size = int.from_bytes(proto.ring_size, "big")
nr_parties = int.from_bytes(proto.nr_parties, "big")
protocol_deserialized = Protocol.registered_protocols[
proto.protocol.name]()
protocol_deserialized.security_type = proto.protocol.security_type
session = Session(
config=conf,
ring_size=ring_size,
protocol=protocol_deserialized,
)
session.rank = rank
session.crypto_store = CryptoStore()
session.nr_parties = nr_parties
if id_session is not None:
session.uuid = UUID(id_session)
if saved_session and id_session != str(saved_session.uuid):
warning("Changing already set session")
sympc.session.set_session(session)
return session
