A privacy protecting UMTS AKA protocol providing perfect forward secrecy

Authors:
Daeyoung Kim;Younggang Cui;Sangjin Kim;Heekuck Oh
Affiliations:
Empas Corporation, Republic of Korea;Hanyang University, Department of Computer Science and Engineering, Republic of Korea;Korea University of Technology and Education, School of Internet Media Engineering, Republic of Korea;Hanyang University, Department of Computer Science and Engineering, Republic of Korea
Venue:
ICCSA'07 Proceedings of the 2007 international conference on Computational science and Its applications - Volume Part II
Year:
2007

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Abstract

In UMTS (Universal Mobile Telecommunication System), a protocol called UMTS AKA (Authentication and Key Agreement) is used to securely authenticate an MS (Mobile Station). However, the UMTS AKA has several drawbacks such as network bandwidth consumption and synchronization problem. In this paper, we propose a new authentication protocol for UMTS that overcomes these problems. Moreover, our protocol enhances the security of the protocol by providing better privacy and also provides perfect forward secrecy. Furthermore, our protocol also provides mutual authentication between an MS and its HN (Home Network) and between an MS and the SN (Serving Network).