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Research Journal of Information Technology

Year: 2013 | Volume: 5 | Issue: 3 | Page No.: 402-410
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Authors

S. Samundeeswari

V.S. Shankar Sriram

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Research Article

NIZKP to Achieve Authentication in Ad-hoc Networks

S. Samundeeswari and V.S. Shankar Sriram
Authentication in Mobile ad-hoc Networks (MANETs) is difficult and challenging because of its frequent topology changes. Central authority based authentication schemes have been proposed and with every movement of a node outside the network demands re-authentication of the nodes by the central authority before the node rejoins the network. This research contribution intends to propose a novel Non-Interactive Zero Knowledge Protocol (NIZKP) to address this problem of re-authentication. The proposed NIZKP achieves re-authentication by neighborhood authentication of the node that wants to rejoin the network. This reduces the dependences on the central authority for re-authentication thereby avoiding the attacks that are possible during re-authentication.
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