Method and apparatus for searching rights objects stored in portable stored device using object location data

摘要

A method for searching for a digital rights object by using location data of an object in a portable storage device is provided. The method includes the steps of: a) accessing the portable storage device; b) transmitting an object identifier to the portable storage device; c) receiving location data of a first object searched for by the portable storage device based on the object identifier ; d) storing the location data of the first object with the object identifier; and e) transmitting the location data of the first object and data of an operation performed with respect to the first object to the portable storage device using the location data of the first object. A method for the host device and the portable storage apparatus are also detailed.