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Journal of Information Science and Engineering, Vol. 31 No. 2, pp. 727-742

Provably Secure Anonymous Authentication Scheme for Roaming Service in Global Mobility Networks

KUO-YANG WU¹, KUO-YU TSAI², TZONG-CHEN WU¹ AND KOUICHI SAKURAI³
¹Department of Information Management
National Taiwan University of Science and Technology
Taipei, 106 Taiwan
²Department of Management Information Systems
Hwa Hsia University of Technology
New Taipei City, 235 Taiwan
³Department of Computer Science and Communication Engineering
Kyushu University
Fukuoka, 812-8581 Japan

This paper presents an anonymous authentication scheme for roaming service in global mobility networks, in which the foreign agent cannot obtain the identity information of the mobile user who is sending the roaming request. In addition, the home agent does not have to maintain any verification table for authenticating the mobile user. We give formal analyses to show that our proposed scheme satisfies the security requirements of user anonymity, mutual authentication, session-key security, and perfect forward secrecy. Besides, some possible attacks on the proposed scheme are discussed, such as the replay attack, the man-in-middle attack, the impersonation attack, and the insider attack.

Keywords: user anonymity, mutual authentication, global mobility network, perfect forward security, replay attack, man-in-the-middle attack, impersonation attack

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