发明申请
US20070276756A1 Recording/Reproducing Device, Recording Medium Processing Device, Reproducing Device, Recording Medium, Contents Recording/Reproducing System, And Contents Recording/Reproducing Method
审中-公开
记录/再现装置，记录介质处理装置，再现装置，记录介质，内容记录/再现系统和内容记录/再现方法
- 专利标题： Recording/Reproducing Device, Recording Medium Processing Device, Reproducing Device, Recording Medium, Contents Recording/Reproducing System, And Contents Recording/Reproducing Method
- 专利标题（中）： 记录/再现装置，记录介质处理装置，再现装置，记录介质，内容记录/再现系统和内容记录/再现方法
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申请号： US11659642申请日： 2005-08-04
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公开(公告)号： US20070276756A1公开(公告)日： 2007-11-29
- 发明人: Kyoichi Terao , Toshio Suzuki , Kenichiro Tada
- 申请人： Kyoichi Terao , Toshio Suzuki , Kenichiro Tada
- 优先权： JP2004-231552 20040806
- 国际申请： PCT/JP05/14300 WO 20050804
- 主分类号： G11B20/10
- IPC分类号： G11B20/10 ; G06Q99/00
摘要：
A recording medium (240) has a protected region (241) where access limitation is set in advance and a non-protected region (242) where access is not limited. At least a part of a encryption key (20) and a part of an IV (21) that are required to encrypt contents data are written in the protected region (241).