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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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