METHOD FOR MANAGING USER DOMAIN IN DIGITAL RIGHTS MANAGEMENT AND SYSTEM THEREOF

摘要

A method for managing a specific domain (or user domain), for example leaving the domain by a specific device after fully returning a Rights Object (RO) taken by the specific device, instead of deactivating the RO, when leaving the specific domain, the method in which the device desiring to leave the specific domain moves its RO to another device desiring to join the specific domain and thereafter leaves the specific domain under the control of a Domain Authority/Domain Enforcement Agent (DA/DEA).