An efficient pre-authentication scheme for IEEE 802.11-based vehicular networks

Authors:
Junbeom Hur;Chanil Park;Hyunsoo Yoon
Affiliations:
Korea Advanced Institute of Science and Technology;Korea Advanced Institute of Science and Technology;Korea Advanced Institute of Science and Technology
Venue:
IWSEC'07 Proceedings of the Security 2nd international conference on Advances in information and computer security
Year:
2007

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Abstract

In vehicular networks, supporting user mobility is one of the most challenging issues. Recently, as the desires for the high mobility and high-quality real-time services increase, fast handoff among base stations comes to a center of quality of connections. Therefore, minimizing re-authentication latency during handoff is crucial for revolutionizing the driving environment on public vehicular networks in terms of safety and convenience. In this study, we propose an efficient pre-authentication scheme for fast and secure handoff in IEEE 802.11-based vehicular networks. The proposed scheme reduces the handoff delay by reducing 4-way handshake to 2-way handshake between an access point and a mobile vehicle station during the re-authentication phase. Furthermore, the proposed scheme gives little burden over the proactive key predistribution scheme while satisfying 802.11i security requirements.