发明名称 Certificate based digital rights management
摘要 In accordance with one embodiment of the present invention, a digital certificate is used to link an arbitrary provisioned right with an associated arbitrary digital action to be performed by a client device on or with respect to a protected digital content object. In one embodiment, the certificate is associated with one or more secure components, which are utilized by the client device in association with performance of the digital action.
申请公布号 US7185195(B2) 申请公布日期 2007.02.27
申请号 US20030736451 申请日期 2003.12.14
申请人 REALNETWORKS, INC. 发明人 HUG JOSHUA D.;FU XIAODONG
分类号 H04L9/00;G06F;G06F21/00;H04L9/32 主分类号 H04L9/00
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