Storage device and operating method thereof
AssigneeSK hynix Inc.
InventorsByung Jun KIM, Taek Gyu LEE, Kyoung Ku CHO
Life of this patent
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Abstract
A storage device includes a nonvolatile memory device including a replay protected memory block; and a memory controller for, as a submission command requesting access to the replay protected memory block is received from an external host including a host memory having a plurality of Physical Region Pages (PRPs), acquiring a host replay protected memory block data frame stored in one of the plurality of PRPs included in the external host and accessing the replay protected memory block. The submission command may include information on a position at which the memory controller is to store a response to the submission command among the plurality of PRPs.
Claims10
A storage device comprising:
- a nonvolatile memory device including a replay protected memory block (RPMB);
- and
- a memory controller configured to acquire, in response to a submission command provided from an external host, a host RPMB data frame stored in one of a plurality of Physical Region Pages (PRPs) included in the host,
- perform an authentication operation on the RPMB by using a host message authentication code included in the host RPMB data frame, and
- store write data in the RPMB according to a result of the authentication operation,
- wherein the submission command includes information on a position within the plurality of PRPs at which the memory controller is to store a response to the submission command.
Dependencies are inferred from the claim text.