An Innovative Cryptographical Scheme for Mobile Ad-Hoc Network Security using Certificate less Public key Cryptography

A Mobile ad hoc Network (MANET) is a self-governing network comprised of free roaming nodes which communicate wireless by radio transmission. As MANET edge closer toward wide-spread deployment, security issues have become a central concern and are increasingly important. Various security mechanisms have been proposed, widely used, and proven to be effective in wired networks, but no single mechanism provides all the services required in a MANET. Due to certain characteristics of MANETs, some security mechanisms are not applicable to this environment. These certain characteristics of ad hoc networks include: lack of a network infrastructure and online administration, the dynamics of the network topology and node membership, the potential attacks from inside the network. In this paper we have proposed an innovative and secured, ACS (address based cryptography scheme) as a combination of Ad hoc node address and public/Private key cryptography. ACS is a certificate less public key cryptography solution which empowers efficient network-wide secure key update via a single broadcast message. It also provides general information about how to choose the secret key sharing parameters used with public key cryptography to meet desirable levels of security and authentication. Thus, it eliminates the need for certificate-based authenticated public-key distribution essential in conventional public-key management scheme.