  Vehicular communication networks is a promising and emerging technology to
facilitat road safety, Safety of life, traffic management, and infotainment
dissemination for drivers and passengers. One of the ultimate goals in the
design of such networking is to resist various malicious abuses and security
attacks. In this research new security mechanisms are proposed to achieve
secure certificate revocation, which is considered among the most challenging
design objective in vehicular ad hoc networks.
