发明申请
- 专利标题： CONTENT DISTRIBUTION/BROWSING SYSTEM, CONTENT DISTRIBUTION APPARATUS, CONTENT BROWSING APPARATUS AND PROGRAM
- 专利标题（中）： 内容分发/浏览系统，内容分发设备，内容浏览器和程序
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申请号： US12133569申请日： 2008-06-05
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公开(公告)号： US20080304661A1公开(公告)日： 2008-12-11
- 发明人: Takehisa KATO , Koji Okada , Norikazu Hosaka , Yoshihiro Fujii , Minako Tada
- 申请人： Takehisa KATO , Koji Okada , Norikazu Hosaka , Yoshihiro Fujii , Minako Tada
- 优先权： JP2007-150915 20070606
- 主分类号： H04L9/06
- IPC分类号： H04L9/06
摘要：
A content distribution/browsing system is disclosed. First to (m−1)th encrypted content items E(K1, C1∥K2,1), . . . , E(Km−1, Cm−1∥Km,1) contain second to m-th (next in order) sharing keys K2,1, . . . , Km,1, respectively. When desirous of browsing an (i+1)th content item Ci+1, the (i+1)th sharing key Ki+1,1 is acquired by browsing an immediately preceding i-th content item Ci.