发明名称 METHOD OF RECORDING AND SECURELY DISTRIBUTING DIGITAL DATA, ACCESS DEVICE AND RECORDER
摘要 The invention concerns a method for secure reception and writing of digital data including a step (108) of etching said digital data on a secure disc (30) by a receiver/writer (6, 28) belonging to a specific secure domain comprising a plurality of equipment items and defined by an identifier (IDD), a step of writing (108) on the secure disc (30) of the identifier (IDD) of the writer/receiver domain (6, 28) to define said domain as the only domain wherein the reproduction/copy of the multimedia content is authorized. The invention is characterized in that it includes a prior step of recovering a disc key (DK) of the secure disc (30), and in that the domain identifier (IDD) is encrypted by the disc key (DK) and the digital data are scrambled by title keys, said title keys being encrypted by said disk key. The invention also concerns a method for secure distribution of digital data, an access device and a writer/receiver.
申请公布号 KR20080056217(A) 申请公布日期 2008.06.20
申请号 KR20087009168 申请日期 2006.10.17
申请人 THOMSON LICENSING 发明人 DIASCORN JEAN LOUIS;DURAND ALAIN;LELIEVRE SYLVAIN
分类号 G11B20/10;G06F12/14;H04N7/24 主分类号 G11B20/10
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