Efficient ECGDH algorithm through protected multicast routing protocol in MANETs
2017
A Mobile Ad-hoc Network (MANET) covers a set of autonomous mobile nodes that communicates through the wireless communication in an infrastructure-less environment. Mostly, MANETs are used in group communication mechanisms like military applications, rescue operations, emergency search, vehicular ad-hoc communications and mining operations etc. In such type of networks, a group communication takes place by the multicasting technique. Communication and collaboration is necessary among the nodes in the groups in multicast protocols. The PUMA has the best multicast routing protocol as compared to the tree and mesh based multicast protocols, although it suffers from the security issues. Mainly, PUMA suffers from the Man in the middle attack (MITM) which generates traffic flow; drop the packets and miscommunicate the neighbor nodes with the false hop count. So, defending from the MITM attack, we designed a new mechanism called Elliptic Curve Group Diffie-Hellman (ECGDH). This approach compares the results of PUMA routing protocol with the legitimate, under attack and after providing security against an attack. Finally, we observed that ECGDH gives efficient results even after the attack has happened
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