Patent ID: 11893247
Assignee: SK HYNIX INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A data storage device comprising:
a nonvolatile memory device including a replay protection block; and
a memory controller configured to receive a command protocol component, identify the command protocol component associated with a security protocol, find a host side protection message in the command protocol component, perform a read operation to obtain data corresponding to an address included in the host replay protection block message, and provide the data read from the address,
wherein the command protocol component comprises:
a basic header segment configured to include a total additional header segment length field with a non-zero value indicating that the command protocol component is associated with the security protocol; and
an additional header segment configured to be used upon identifying that a value of the total additional header segment length field has the non-zero value and configured to include the host replay protection block message if the command protocol component is associated with the security protocol.