A Secure Ambulance Communication Protocol for VANET

  • Authors:
  • Chin-Ling Chen;Ing-Chau Chang;Chun-Hsin Chang;Yuan-Fen Wang

  • Affiliations:
  • Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung, Taiwan, ROC 41349;Department of Computer Science and Information Engineering, National Changhua University of Education, Changhua, Taiwan, ROC 500;Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung, Taiwan, ROC 41349;Department of Computer Science and Information Engineering, National Changhua University of Education, Changhua, Taiwan, ROC 500

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2013

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Abstract

Vehicular ad hoc networks (VANETs) have been a research focus in recent years. VANET's main applications are enhancing road safety and reducing traffic accidents. Moreover, the VANET system can also reduce the time it takes for emergency vehicles to arrive at the accident location. The security of the transmission messages is of utmost importance, and to protect the transmission messages we propose a secure ambulance communication protocol for VANET to ensure that messages will not be revealed or stolen. The proposed scheme combines symmetric encryption, message authentication codes and digital signature mechanisms, and thereby achieves non-repudiation, availability, integrity, confidentiality, mutual authentication, session key security, known-key security and the ability to prevent known attacks. Finally, with NS2 simulation results that are based on realistic vehicle density statistics and the Taipei city road map, we argue that our secure ambulance communication protocol is effective in real VANET scenarios.