Secure traffic data propagation in Vehicular Ad Hoc Networks

Authors:
Baber Aslam;Soyoung Park;Cliff C. Zou;Damla Turgut
Affiliations:
School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, Florida 32816-2362, USA.;School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, Florida 32816-2362, USA.;School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, Florida 32816-2362, USA.;School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, Florida 32816-2362, USA
Venue:
International Journal of Ad Hoc and Ubiquitous Computing
Year:
2010

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Abstract

In vehicular ad hoc network, vehicles can share traffic/emergency information. The information should not be modified/manipulated during transmission without detection. We present two novel approaches to provide reliable traffic information propagation: two-directional data verification, and time-based data verification. The traffic message is sent through two (spatially or temporally spaced) channels. A recipient vehicle verifies the message integrity by checking if data received from both channels are matched. Compared with the popular public-key based security systems, the proposed approaches are much simpler and cheaper to implement, especially during the initial transition stage when a mature VANET network infrastructure does not exist.