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

A method for searching for a rights object by using location data of an object in a portable storage device, the method comprising:

• a) accessing a host device;
• b) receiving an object identifier from the host device;
• c) searching for location data of an object having the object identifier in a storing unit storing therein the object and the object identifier, and transmitting the location data of the object to the host device;
• d) receiving the location data of the object and data of operations to be performed with respect to the object from the host device;
• and
• e) directly accessing the object stored in the storing unit using the received location data of the object, and performing the operations according to the data which is received.

An apparatus for searching for a rights object by using location data of an object in a portable storage device, the apparatus comprising:

• an application unit which transmits an object identifier to the portable storage device and receives location data of a first object of the object identifier;
• and
• a storing unit which stores the object identifier and the location data of the first object,
• wherein the application unit searches for the object identifier stored in the storing unit and transmits the location data of the first object and data of operations to be performed with respect to the first object.

A portable storage device comprising:

• an object data storing unit which stores an object and an object identifier;
• and
• an application unit which receives the object identifier transmitted from a host device,
• wherein the application unit searches for location data of the object having the object identifier in the object data storing unit, transmits the location data of the object which is searched, receives the location data of the object and data of operations to be performed with respect to the object from the host device, and performs operations according to the data which is received by directly accessing the object in the object data storing unit using the location data.