Accelerating authenticated emergence message propagation to mitigate chain-reaction accidents in highway traffic

The chain-reaction collision caused by a sudden event such as deer-vehicle collision is a serious accident in highway traffic. By propagating the authenticated emergence message on deer-vehicle collision with vehicle-to-vehicle (V2V) communication, the chain-reaction accident could be mitigated. However, the long delay imposed by traditional signature based authentication may weaken the effectiveness of such message propagation. In this paper, in order to accelerate the propagation, we propose a new online/offline Rabin signature scheme integrated in an authenticated emergence message propagation model. With the proposed signature scheme, the emergence message can be quickly signed and verified, and thus the propagation is accelerated. Extensive simulation results also demonstrate the effectiveness of the proposed scheme.