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 US7743259(B2) 申请公布日期 2010.06.22
申请号 US20020046670 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 G06F11/30;G06F21/00;H04L29/06;H04L29/08 主分类号 G06F11/30
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