SYSTEM AND METHOD FOR SECURING THE LIFE-CYCLE OF USER DOMAIN RIGHTS OBJECTS

摘要

In a method for enabling support for backwards compatibility in a User Domain, in one of a Rights Issuer (RI) and a Local Rights Manager (LRM), a Rights Object Encryption Key (REK) and encrypted REK are received from an entity that generated a User Domain Authorization for the one of the RI and the LRM and the REK is used to generate a User Domain Rights Object (RO) that includes the User Domain Authorization and the encrypted REK.

主权项

1. A method of directly moving a user domain rights object (RO) from a source secure content exchange (SCE)-conformant digital rights management (DRM) agent to a recipient SCE-conformant DRM agent, said method comprising:
in the recipient SCE-conformant DRM agent, receiving at least one of an attribute certificate and a user domain authorization of the source SCE-conformant DRM agent and the user domain RO; determining whether the source SCE-conformant DRM agent is a valid member of the user domain; and receiving an encrypted rights object encryption key (REK) from the source SCE-conformant DRM agent in response to the source SCE-conformant DRM agent being determined as being a valid member of the User Domain.