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STORAGE DEVICE AND STORAGE SYSTEM CONFIGURED TO PERFORM ENCRYPTION BASED ON ENCRYPTION KEY IN FILE UNIT AND METHOD OF OPERATING USING THE SAME
STORAGE DEVICE AND STORAGE SYSTEM CONFIGURED TO PERFORM ENCRYPTION BASED ON ENCRYPTION KEY IN FILE UNIT AND METHOD OF OPERATING USING THE SAME
According to the present invention, provided is a storage system, which includes a host device and a storage device. The host device generates a file, and generated a unique file ID of a file unit based on the ID of the generated file and at least one logic address corresponding to the generated file. The storage device generates a key for encrypting or decrypting write data corresponding to the file based on the unique file ID and a random number, and is configured to encrypt write data using a key. According to the present invention, the encryption key is generated on a file unit, so that the size of a key value can be reduced.
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