Original document(65 pages) Authorized document(68 pages) 中文版
    Encrypted music data and additional information necessary for accessing a server (30) are copied from a CD-ROM (200) onto a memory card (110). The memory card (110) receives via a digital portable phone network the distribution of a contents decoding key (Kc) necessary for decoding encrypted music data and control information data (AC1) for limiting the number of accesses to the memory card from the server (30).
Application Number
申请号		 00818420 Application Date
申请日		 2000.11.16
Title 名称 Data distributing system and recording medium used for it
Publication Number
公开号		 1423871 Publication Date
公开日		 2003.06.11
Approval Pub. Date 2007.08.15 Granted Pub. Date 2007.08.15
International Classification 分类号 H04L9/08
Applicant(s) Name
申请人		 Fujitsu Limited
Address 地址
Inventor(s) Name 发明人 Hatanaka Masayuki;Kamada Jun;Hatakeyama Takayuki
Attorney & Agent 代理人 yang kai wang zhongzhong
More information 更  多  信  息


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