Browse Prior Art Database

A Method of MMS Super Distribution Disclosure Number: IPCOM000021453D
Original Publication Date: 2004-Jan-20
Included in the Prior Art Database: 2004-Jan-20

Publishing Venue



This discloses a method to enable flexible super distribution in MMS. Conventional superdistribution in DRM systems requires the receiver to contact the rights issuer to obtain the rights object, and this may lead privacy problem and potential risk (e.g. the rights issuer may be unreachable in some cases). Our invention adds a counter in the rights object, so that the users can distribute the contents freely without violate the copyright.