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Multimedia and Ubiquitous Engineering, International Conference on (2007)
Seoul, Korea
Apr. 26, 2007 to Apr. 28, 2007
ISBN: 0-7695-2777-9
pp: 313-318
Ren-Chiun Wang , National Taiwan University
Wen-Shenq Juang , Shih-Hsin University
Chen-Chi Wu , National Taiwan University
Chin-Laung Lei , National Taiwan University
In a smart living environment, a person can use various intelligent devices to obtain his desired services at any time and any place. For convenience, most of these devices are small and of limited power and computation capacity. Therefore, an admired protocol should take these into consideration. In particular, identification and key agreement are basic mechanisms when a user wants to get a secure service from a server over the public networks. However, if the user?s identity is transmitted in a plaintext, an adversary can intercept the information and use it to launch some attacks. In this paper, we propose a key agreement protocol with user anonymity based on elliptic curve discrete logarithm problem. In our protocol, the storage and computation costs are very low and the server does not maintain a password file for identifying the users. Therefore, our protocol is suitable for applying ubiquitous computing environments.

R. Wang, C. Lei, C. Wu and W. Juang, "A Lightweight Key Agreement Protocol with User Anonymity in Ubiquitous Computing Environments," 2007 International Conference on Multimedia and Ubiquitous Engineering (MUE'07)(MUE), Seoul, 2007, pp. 313-318.
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