def _init_security(self):
        if not self._starttls():
            raise SecurityError("Could not start TLS connection")
        # _ssh_handshake() will throw an exception upon failure
        self._ssl_handshake()
        if not self._auth():
            raise SecurityError("Could not authorize connection")
Sets all blocks in this chunk, using either a list or dictionary.  
dataset/ETHPy150Open basho/riak-python-client/riak/transports/tcp/connection.py/TcpConnection._init_security--crossover with--dataset/ETHPy150Open twoolie/NBT/nbt/chunk.py/BlockArray.set_blocks