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    題名: Improving an User Authentication Scheme in Wireless Sensor Networks
    作者: Peng, Jian-wen;Horng, Wen-bing;Lee, Cheng-ping
    貢獻者: 淡江大學資訊工程學系
    關鍵詞: wireless sensor network;smart card;user authentication
    日期: 2011-12
    上傳時間: 2012-04-15 05:48:31 (UTC+8)
    出版者: 淡江大學資訊工程學系
    摘要: In recent years, wireless sensor networks (WSNs), widely used in many fields, have attracted much attention due to the features of remote monitoring and wireless data transferring. Because the sensors of a WSN are deployed in an unattended area, user authentication schemes are significantly important. In 2010, Khan and Alghathbar took advantages of smart cards to enhance security for user authentication of WSNs. However, in this paper, we will show that Khan-Alghathbar’s scheme is vulnerable to offline password guessing attacks and denial of service attacks. Moreover, it does not provide user anonymity and it cannot achieve mutual authentication between users and sensor nodes. We then propose a novel scheme based on the quadratic residue theorem to overcome these security weaknesses. The proposed scheme not only preserves user ano-nymity, but also provides session key exchange.
    關聯: Proceedings of 2011 Cross-Strait Conference on Information Science and Technology and iCube (CSCIST 2011 and iCube 2011)
    顯示於類別:[資訊工程學系暨研究所] 會議論文

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