A Fast and Efficient Handover Authentication Achieving Conditional Privacy in V2I Networks

  • Authors:

  • Jaeduck Choi;Souhwan Jung;Younghan Kim;Myungsik Yoo

  • Affiliations:

  • School of Electronic Engineering, Soongsil University, Seoul, Korea 156-743;School of Electronic Engineering, Soongsil University, Seoul, Korea 156-743;School of Electronic Engineering, Soongsil University, Seoul, Korea 156-743;School of Electronic Engineering, Soongsil University, Seoul, Korea 156-743

  • Venue:
  • NEW2AN '09 and ruSMART '09 Proceedings of the 9th International Conference on Smart Spaces and Next Generation Wired/Wireless Networking and Second Conference on Smart Spaces
  • Year:
  • 2009

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Abstract

This paper proposes a fast and efficient handover authentication with conditional privacy in V2I networks. One of the main challenges for achieving secure V2I communications is to accomplish a fast and efficient handover authentication for seamless IP-based services. Anonymous authentication with authority traceability is another important security issue. The basic idea is that a handover authentication occurs only between a vehicle and a roadside unit to reduce the cost of authentication time and communication overhead. After performing the handover authentication, the roadside unit notifies an AAA server of the authentication result and vehicle's pseudonym ID, which does not affect the fast handover authentication. The proposed scheme is more efficient than the existing schemes in terms of authentication time and communication overhead. In addition, our work is the first study on conditional privacy preservation during a handover process in V2I networks.