Abstract
A Mobile Ad-hoc NETwork (MANETs) follows a dynamic topology with distributed architecture. MANETs has no basic infrastructure also has no fixed access point or routers, where in the nodes moves in an undefined manner in a specified area of work. Basically, the distributed dynamic architecture is vulnerable to various kinds of attacks like blackhole, wormhole flooding, etc. Providing a security measure that would enhance the role of security services during a data transmission is a critical task. In this paper, we propose a new solution for the secure routing of all tree based multicast routing protocols such as MAODV, ADMR, etc, against attacks like flooding, wormhole, blackhole attack etc,. In this scheme, keys are generated by source and transmitted to the client nodes in the network. Interpolation concept under the finite field provides a promising outcome for securing the network. The proposed scheme is based on Shamir secret sharing scheme with encrypted transmission of keys. As the transmission of keys to the participant nodes is done using RSA public key encryption algorithm, it is not vulnerable to attacks like replay attacks, and other spoofing
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