发明名称 CONTENT PROTECTION METHOD AND APPARATUS
摘要 There is disclosed a content protection method and apparatus. The content protection method and apparatus further improves such related schemes by facilitating spatial as well as temporal management of content. This is achieved by storing encrypted content and a corresponding decryption key and destroying the decryption key when suitable. In order to further facilitate the content protection, the decryption key may be received periodically, which allows for a large number of people to connect to the network at different times.
申请公布号 US2012121090(A1) 申请公布日期 2012.05.17
申请号 US201213356360 申请日期 2012.01.23
申请人 HAYNES SIMON DOMINIC;GILLARD CLIVE HENRY;PORTER ROBERT MARK STEFAN;EPSOM HENRY;SONY CORPORATION 发明人 HAYNES SIMON DOMINIC;GILLARD CLIVE HENRY;PORTER ROBERT MARK STEFAN;EPSOM HENRY
分类号 H04L9/00 主分类号 H04L9/00
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