Paper Title
A Novel Methodology to Achieve Effective Message Authentication in VANET

The proposed scheme offer cooperation amongst the vehicle users in vehicular Adhoc network which offers them to communicate with each other safely, and achieves cooperative message authentication in the network. In this process the vehicle users can send and receives messages which are paired with some signature like some private keys which can help to maintain the message privacy between vehicle users. The process includes generation of tokens by trusted authority to vehicle users which is valid for limited time period. In proposed scheme numbers of RSUs are installed to keep track of the communication process and also the malicious activities which are undesirable to the process. As per increase in number of users, and traffic, it is necessary to pay attention on the security issues of the VANET. Especially in authentication process of VANET there are more chances of the attacks by malicious users. It is necessary to secure the vehicular Adhoc networks while authentication process is going on. In this paper we have proposed the schemes to stop such malicious behavior of fake vehicle users. Keywords- Trusted authority, passive free-riding attack, active free-riding attack, VANET, Fake authentication, Safety in VANET, External and Internal Attacks, malicious attacks