Novel approaches to enhance mobile WiMAX security

Authors:
Taeshik Shon;Bonhyun Koo;Jong Hyuk Park;Hangbae Chang
Affiliations:
Convergence S/W Laboratory, DMC R&D Center, Samsung Electronics, Suwon-si, Gyeonggi-do, Republic of Korea;Convergence S/W Laboratory, DMC R&D Center, Samsung Electronics, Suwon-si, Gyeonggi-do, Republic of Korea;Department of Computer Science and Engineering, Seoul National University of Technology, Nowon, Seoul, Republic of Korea;Department of Business Administration, Daejin University, Pocheon-Si, Gyunggi-Do, Republic of Korea
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on multimedia communications over next generation wireless networks
Year:
2010

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Abstract

The IEEE 802.16 Working Group on Broadband Wireless Access Standards released IEEE 802.16-2004 which is a standardized technology for supporting broadband and wireless communication with fixed and nomadic access. After the IEEE 802.16-2004 standard, a new advanced and revised standard was released as the IEEE 802.16e-2005 amendment which is foundation of Mobile WiMAX network supporting handover and roaming capabilities. In the area of security aspects, compared to IEEE 802.16-2004, IEEE 802.16e, called Mobile WiMAX, adopts improved security architecture--PKMv2 which includes EAP authentication, AES-based authenticated encryption, and CMAC or HMAC message protection. However, there is no guarantee that PKMv2-based Mobile WiMAX network will not have security flaws. In this paper, we investigate the current Mobile WiMAX security architecture focusing mainly on pointing out new security vulnerabilities such as a disclosure of security context in network entry, a lack of secure communication in network domain, and a necessity of efficient handover supporting mutual authentication. Based on the investigation results, we propose a novel Mobile WiMAX security architecture, called RObust and Secure MobilE WiMAX (ROSMEX), to prevent the new security vulnerabilities.