Storage system for supporting use of multiple keys

Abstract

A storage system that enables the use of a plurality of keys respectively stored in a plurality of storage units of a storage device is provided. The storage system includes a storage device including a first storage unit and a second storage unit that are recognized as a single storage device, wherein the first storage unit is configured to store a first key, the second storage unit is configured to store a second key different from the first key, and a controller is configured to transmit to the storage device one of a first key-read control signal that includes information about the first storage unit and a second key-read control signal that includes information about the second storage unit and receive the first key and the second key as identification information of the storage device in response to the first key-read control signal and the second key-read control signal, respectively.

Dependencies are inferred from the claim text.