Title: A secure and efficient authentication scheme for mobile users

Authors: Ya-Fen Chang, Jung-San Lee, Chin-Chen Chang

Addresses: Department of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, 621, Taiwan. ' Department of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, 621, Taiwan. ' Department of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, 621, Taiwan; Department of Information Engineering and Computer Science, Feng Chia University, Taichung, 40724, Taiwan

Abstract: In 2004, Long et al. proposed a new public key certification structure to implement a localised authentication scheme by modifying the SSL protocol v3.0. Their scheme keeps the user|s identity concealed and minimises the influence of the home network|s failure and the overhead of having the legal user authenticated by its home network. Unfortunately, the privacy of the roaming user and the round efficiency in Long et al.|s scheme are doubted. In this paper, the authors present an improved version conserving the advantages of Long et al.|s scheme, ensuring round efficiency and providing both mutual authentication and key agreement.

Keywords: roaming; public key certification; authentication; key agreement; SSL; mobile communications; user identity; privacy; security; efficiency; internet; wireless LANs; wireless networks.

DOI: 10.1504/IJMC.2006.009261

International Journal of Mobile Communications, 2006 Vol.4 No.5, pp.581 - 594

Available online: 14 Mar 2006 *

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