External storage device that expands a data storage capability of a host device

摘要

A method includes receiving a request from a host device to authenticate a device. The method further includes transmitting authenticating data to the host device. Responsive to successful authentication of the device, configuration interface and communication interface of the device is exposed to the host device. The method further includes processing commands from the host device after the device is successfully authenticated. Responsive to the processed commands, payload data is sent or received to or from the host device according to the communication interface.