发明名称 ENTRY POINT FOR DIGITAL RIGHTS MANAGEMENT DATA
摘要 Disclosed is a record carrier, in particular a recordable or rewritable optical disc, having a program memory area for storing administrative data, a lead in area, a program area for storing user data and a lead out area. In order to enable a drive to access digital rights management data which are stored in the program area, comprising e. g. usage rights and cryptographic keys, it is proposed that the record carrier further comprises: - a DRM pointer entry (ALP) comprising the entry point for said digital rights management data is stored in the program area after said digital rights management (DRM) data, - a drive-readable entry comprising an information allowing the drive to find said DRM pointer entry (ALP) and to access said digital rights management (DRM) data is stored in said program area or said program memory area.
申请公布号 KR20050059099(A) 申请公布日期 2005.06.17
申请号 KR20057003228 申请日期 2005.02.25
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V. 发明人 FONTIJN WILHELMUS F.J.;BENTVELSEN PETRUS H.C.;SCHOLL GERRIT J.
分类号 G11B20/12;G06F1/00;G06F21/00;G06F21/10;G11B20/00;G11B20/10;(IPC1-7):G11B20/10;G11B7/007 主分类号 G11B20/12
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