- - Controller performing secure deletion Key-value storage device having the same and Operating method of key-value storage device

摘要

Disclosed are a controller performing secure deletion, a key-value storage device including the same, and an operating method of the key-value storage device. According to one aspect of the technical idea of the present disclosure, the key-value storage device comprises: a nonvolatile memory including a plurality of blocks; and a controller controlling a memory operation for the nonvolatile memory, recording data of a file corresponding to a first value in accordance with the reception of a record command including a first key and the first value corresponding thereto from a host in at least one block, and performing a deletion operation in a file unit by erasing the at least one block recording the first value in accordance with the reception of a secure deletion command for the first value from the host.