Performance enhancement for secure vehicular communications

  • Lin X
  • Zhang C
  • Sun X
 et al. 
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Abstract

In this paper, we propose a new TESLA (timed efficient stream loss-tolerant authentication) based secure vehicular communication (TSVC) protocol with privacy preserving, aiming to achieve less communication overhead without compromising the security and privacy requirements. With TSVC, the communication overhead can be significantly reduced due to the message authentication code (MAC) tag attached in each packet and only a fast hash operation is required to verify each packet. Simulation results show that TSVC maintains acceptable message latency with much smaller packet size while significantly reducing the message loss ratio compared with that by the existing PKI-based protocols especially when the traffic is denser.

Author-supplied keywords

  • One-way hash chain
  • Security
  • TESLA
  • Vehicular communications

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Authors

  • Xiaodong Lin

  • Chenxi Zhang

  • Xiaoting Sun

  • Pin Han Ho

  • Xuemin Shen

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