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    • 5. 发明申请
    • SYSTEM FOR PROVIDING DIGITAL CONTENTS BY USING DIGITAL FINGERPRINTING
    • 使用数字指纹提供数字内容的系统
    • WO2008026793A1
    • 2008-03-06
    • PCT/KR2006/003958
    • 2006-10-02
    • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTESUH, Young HoSEO, Jin SooLEE, Sang KwangLEE, Seungjae
    • SUH, Young HoSEO, Jin SooLEE, Sang KwangLEE, Seungjae
    • H04L9/00G06F15/00G06T1/00
    • H04K1/00
    • A system for providing digital contents by using digital fingerprinting includes a contents generation server (140) for generating the digital contents; a clearing house (130) for issuing license of the contents to the client (100) and generating fingerprint information from informatin related to contents purchase information; a fingerprint management server (120) for generating fingerprint code based on the fingerprint information; and a contents distribution server (110) for delivering the contents to the client after inserting the fingerprint code into the contents in watermark form. By generating fingerprint code from information such as copyright holder of the contents, contents provider, etc. and insering the fingerprint code into the contents in watermark form, an illegal distributor can be traced with the fingerprint watermark, although digital contents provided to the client may be illegally copied and re-distributed. Digital content is not encrypted in order for purchaser to replay it on other media devices.
    • 一种用于通过使用数字指纹提供数字内容的系统包括用于产生数字内容的内容生成服务器(140) 用于向客户端(100)发出内容许可的信息交换所(130),并从与内容购买信息相关的信息产生指纹信息; 指纹管理服务器(120),用于基于指纹信息产生指纹码; 以及内容分发服务器(110),用于在将指纹码插入到水印形式的内容中之后将内容传送给客户端。 通过从诸如内容的版权所有者,内容提供者等的信息生成指纹码,并将指纹码插入到水印形式的内容中,尽管提供给客户端的数字内容可以使用指纹水印追踪非法分发者 被非法复制和重新分发。 数字内容不加密,以便购买者在其他媒体设备上重播。