Browse Publications Technical Papers 2006-01-1493

Decentralized Secure Protocol for Inter-Vehicle Communication Networks 2006-01-1493

In this paper, we propose a secure protocol for inter-vehicle communication (IVC) networks without the use of centralized roadside infrastructure. Future vehicles may use wireless IVC networks to exchange safety-critical information among each other. IVC networks do not have a centralized control, and instead rely on vehicles to coordinate with each other to exchange information. Because of the open medium, security is a concern in IVC networks. Vehicles need a mechanism to authenticate the safety-critical information that will be exchanged in IVC networks. A trusted third party Certificate Authority (CA) can provide such a mechanism through public-key certificates. However, the disadvantage of using public-key certificates is that drivers can identify each other. The certificate will allow drivers to trace each other's movements and will raise a privacy concern. In this paper, we propose to use RSA public key algorithm and Digital Signature Algorithm (DSA) to solve the security and privacy concerns in IVC networks. The paper presents a detailed description of our protocol, and shows its performance analysis in terms of processing times.


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