发明名称 DIGITAL RIGHTS MANAGEMENT METHOD AND SYSTEM
摘要 <p>A method of controlling access to a content item in a domain comprising a set of mutually authenticated devices, the method comprising deriving one or more domain-specific rights from a right associated with the content item, the one or more domain-specific rights being bound to the domain and allowing the devices in the domain access to the content item. Also system comprising a set of mutually authenticated devices, said set making up a domain, the system comprising a central rights manager arranged for executing said method.</p>
申请公布号 WO2003098931(P1) 申请公布日期 2003.11.27
申请号 IB2003001940 申请日期 2003.05.21
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