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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/98537

    Title: A Unlinkable Delegation-based Authentication Protocol with Users’ Non-repudiation for Portable Communication Systems
    Authors: Hwang, Shin-Jia;You, Cheng-Han
    Contributors: 淡江大學資訊工程學系
    Keywords: Delegation-based authentication;concurrent signatures;concurrent signcryption scheme;portable communication systems
    Date: 2014-04
    Issue Date: 2014-08-12 13:22:51 (UTC+8)
    Publisher: 臺北市:中華民國電腦學會
    Abstract: For portable communication systems, the delegation-based authentication protocol provides efficient subsequent login authentication, data confidentiality, user privacy protection, and non-repudiation. However, in all proposed protocols, the non-repudiation of mobile users is based on an unreasonable assumption that home location registers are always trusted. To weaken this assumption and enhance the nonrepudiation of mobile users, a new delegation-based authentication protocol is proposed. The new protocol also removes the exhaustive search problem of the subsequent login authentication to improve the subsequent login authentication performance. Moreover, the user unlinkability in the subsequent login authentication is also provided to enhance the user identity privacy protection.
    Relation: 電腦學刊=Journal of Computers 25(1),頁35-47
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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