发明名称 |
Content distribution system, content distribution method, information processing apparatus, and program providing medium |
摘要 |
A content distribution is performed by a secure container including a content encrypted by a content key and container information set for a content transaction. The container information includes a person identification certificate identifiers list. Usage control status information including the list is generated and stored in a device during a secondary distribution among user devices after a primary distribution of the content. In the distribution among the user devices, identifying an identification certificate in reference to the list and performing a person authentication based on the identification certificate allows each of the user devices to use the transmitted content, when the authentication is affirmative.
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申请公布号 |
US2002027992(A1) |
申请公布日期 |
2002.03.07 |
申请号 |
US20010943773 |
申请日期 |
2001.08.31 |
申请人 |
SONY CORPORATION |
发明人 |
MATSUYAMA SHINAKO;ISHIBASHI YOSHIHITO;FUTAMURA ICHIRO;KON MASASHI;WATANABE HIDEAKI |
分类号 |
G06F12/14;G06F12/00;G06F21/00;G06F21/10;G06F21/20;G06F21/24;G06F21/32;G06F21/33;G06F21/34;G06F21/44;G06F21/62;G06Q10/00;G06Q30/02;G06Q30/06;G06Q50/00;G06Q50/10;G06Q50/26;G11B20/00;H04K1/00;H04L9/32;H04L29/06;H04N7/16;H04N7/167;H04N7/173;(IPC1-7):G06F17/60 |
主分类号 |
G06F12/14 |
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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