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    ASIA unversity > 資訊學院 > 資訊工程學系 > 會議論文 >  Item 310904400/8856


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/8856


    Title: Flexible key assignment for a time-token constraint in a hierarchy
    Authors: Chen, Hsing-Chung;Wang, Shiuh-Jeng;Wen, Jyh-Horng;Chen, Chung-Wei
    Contributors: Department of Computer Science and Information Engineering
    Date: 2008
    Issue Date: 2010-04-08 20:22:34 (UTC+8)
    Publisher: Asia University
    Abstract: A scheme, which uses flexible key management upon time-token constraint for a user hierarchy access control (UHAC) scheme, is proposed in this paper. For adapting the changeability in a UHAC system, we propose a technique of assigning independent time-token which is distributed by a trusted agency server to reply an authorized user for once secure access request. The key feature of the technique is to adapt some secure parameters in distributed time-token for responding to each legal access request. Further, all class keys will be updated proactively by the concept of proactive key management, which makes the advantage that is proven and free from the scenario of the collusive attack example which proposed by Yi et al. in [14]. © 2008 IEEE.
    Relation: Proceedings - 2008 International Conference on Multimedia and Ubiquitous Engineering, MUE 2008:521-526
    Appears in Collections:[資訊工程學系] 會議論文

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