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 WO2005059717(A2) 申请公布日期 2005.06.30
申请号 WO2004US42607 申请日期 2004.12.14
申请人 REALNETWORKS, INC.;HUG, JOSHUA, D.;FU, XIAODONG 发明人 HUG, JOSHUA, D.;FU, XIAODONG
分类号 G06F;G06F21/00;H04L9/32 主分类号 G06F
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