发明名称 System and method for digital rights management using a standard rendering engine
摘要 A system and method for the secure distribution and consumption of electronic documents using a standard rendering engine. The documents can usage rights associated therewith. A server stores at least one of the documents in computer readable form. A client having a standard application program including a rendering engine capable of rendering unencrypted documents for viewing is operated by a user. The client and the server are coupled by a communications network. A security module controls requested for at least one of the documents on the server from the client and delivers the document and a set of rights associated with the document to the client.
申请公布号 EP2287772(A2) 申请公布日期 2011.02.23
申请号 EP20100012817 申请日期 2002.01.16
申请人 CONTENTGUARD HOLDINGS, INC. 发明人 RALEY, MICHAEL;CHEN, DANIEL;WU, HSI-CHENG;TA, THANH
分类号 G06F1/00;G06F12/14;G06F9/44;G06F21/10;G07F19/00;H04L29/06;H04L29/08;H04N5/00;H04N7/24 主分类号 G06F1/00
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