文章基本信息

标题：低演算量鍵生成手法を用いたマルチメディアコンテンツの多重階層型アクセス制御方式
本地全文：下载
作者：今泉祥子 ; 藤吉正明 ; 貴家仁志等
期刊名称：映像情報メディア学会誌
印刷版ISSN：1342-6907
电子版ISSN：1881-6908
出版年度：2012
卷号：66
期号：2
页码：J69-J73
DOI：10.3169/itej.66.J69
出版社：The Institute of Image Information and Television Engineers
摘要：We propose an efficient method of access control for hierarchical multimedia content. The proposed method simultaneously controls access to each medium contained in multimedia content and to each entity which is hierarchically organized in an individual medium. Even though this method achieves such fine control, it does not increase the computational complexity for key derivation. In our method, a service provider manages only a single key to control access to one multimedia content regardless of the number of media and the depth of hierarchy in each medium. The single managed key is not delivered to any user.
关键词：鍵生成;ハッシュ連鎖;巡回シフト;マルチメディア;階層構造