An Improved AODV Protocol to Detect Malicious Node in Ad hoc Network

Ad hoc network is a type of wireless network which allocate resources for both hardware and software, to each individual workstation or office location. Ad hoc network does not rely on pre-existing base. In mobile Ad hoc networkeach device is wireless which moves independently, Ad hoc networks are accessible to attacks on network layer. The first focus to secure an Ad hoc network is to find the malicious node.[11] Corrupted nodes interrupt data transmission in wireless network by transmitting the wrong information, this is the reason why we use security algorithms in wireless networks. The purpose of this paper is to detectmaliciousnode and to remove them to secure communication between source and destination, and for security of the network route we use RSA key exchange algorithm. This algorithm is an asymmetric encryption algorithm, it can be used with digital signatures, key exchange and encryption.In this paper the nodes receives false information's from there neighbours is programmed to look at neighbour nodes as corrupted node, to detect and remove them [1].