发明名称 |
Information processing apparatus, information recording medium, information processing method, and computer program |
摘要 |
An information recording medium, storing: main contents having constituent data according to a predetermined format and subcontents having constituent data not according to the predetermined format, as recorded data; the main contents and the subcontents having constituent data established as contents management units; the contents management units including data stored as encrypted data based on individual unit keys associated respectively with the contents management units.
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申请公布号 |
US2005114295(A1) |
申请公布日期 |
2005.05.26 |
申请号 |
US20040981251 |
申请日期 |
2004.11.04 |
申请人 |
TAKASHIMA YOSHIKAZU |
发明人 |
TAKASHIMA YOSHIKAZU |
分类号 |
G06F21/24;G06F1/00;G06F7/00;G06F12/00;G06F12/14;G06F15/00;G11B7/00;G11B20/00;G11B20/10;G11B20/12;G11B27/00;H04L9/14;H04N5/91;(IPC1-7):G06F7/00 |
主分类号 |
G06F21/24 |
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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