发明申请
US20130061048A1 CONTENT DELIVERY SYSTEM, DELIVERY SERVER, AND USER TERMINAL 审中-公开
内容传送系统,传送服务器和用户终端

CONTENT DELIVERY SYSTEM, DELIVERY SERVER, AND USER TERMINAL
摘要:
Provided are a content delivery system, a delivery server and a user terminal whereby the load of a party who transmits content data cau be reduced. A delivery server (10) transmits, to a user terminal (20), encrypted content data Eno (Kci:Ci), encrypted content key data Enc (Kul:Kci), and encrypted control data Eno (Kui:Pi). Control data Pi includes: reproduction designation data PLI that designates a reproduction order of a plurality of pieces of content data Ci and that also designates a reproduction section of the content data Ci; and reproduction condition data URi that specifies a condition for permitting the reproduction of particular content data Ci and CMi in accordance with a predetermined reproduction procedure.
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