Apparatus including data storage device and method of operating the same

A data storage device comprising:

• a replay protected memory block configured to be accessed by a security protocol;
• and
• a memory controller configured to receive a command information unit associated with the security protocol including a host side RPMB message from a host, to read data from the replay protected memory block,
• wherein the command information unit includes
• a basic header segment included in every information unit transferred between the host and the memory controller;
• and
• an extra header segment including the host side RPMB message.

A host device, comprising:

• a host message authentication code calculator configured to calculate a host message authentication code using host metadata;
• a host command generator configured to generate a command information unit instructing a data storage device that is controlled by the host device and includes a replay protected memory block to access the replay protected memory block and to provide the data storage device with the command information unit,
• wherein the command information unit includes:
• a basic header segment included in every information unit transferred between the host and the memory controller;
• and
• an extra header segment including the host message authentication code and host metadata.

An apparatus comprising:

• a data storage device including a replay protected memory block accessed by a security protocol;
• and
• a processor configured to generate a command information unit instructing the data storage device to access the replay protected memory block and to provide the data storage device with the command information unit,
• wherein the command information unit includes:
• a basic header segment included in every information unit transferred between the host and the memory controller;
• and
• an extra header segment including a host side RPMB message.