Title: Robust and efficient authenticated key agreement in mobile communications

Authors: Wen-Shenq Juang, Jing-Lin Wu

Addresses: Department of Information Management, National Kaohsiung First University of Science and Technology, Kaohsiung 811, Taiwan. ' Department of Information Management, Shih Hsin University, Taipei 116, Taiwan

Abstract: Nowadays, the Global System for Mobile (GSM) communications is used widely by people around the world. However, there are some problems of GSM authentication to be found. In 2004, Choi and Kim proposed an authentication and key agreement scheme with user privacy protection in GSM. They claimed that their scheme can improve some drawbacks of GSM authentication and achieve user privacy protection. But we find that Choi and Kim|s (2004) scheme is not able to achieve privacy protection and resist some well-known attacks completely. In this paper, we propose a more efficient GSM authentication and key agreement protocol with robust identity privacy protection.

Keywords: identity privacy; mutual authentication; key agreement; network security; mobile security; mobile communications; GSM authentication; privacy protection malicious attacks; identity protection.

DOI: 10.1504/IJMC.2009.024393

International Journal of Mobile Communications, 2009 Vol.7 No.5, pp.562 - 579

Available online: 02 Apr 2009 *

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