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Security is an indispensable concern in Wireless Sensor Network (WSN) due to the presence of potential adversaries. For secure communication in infrastructureless sensor nodes various key predistribution have been proposed. In this paper we have evaluated various existing deterministic, probabilistic and hybrid type of key pre-distribution and dynamic key generation algorithms for distributing pair-wise, group-wise and network-wise keys and we have propose a key predistribution scheme using deterministic approach based on combinatorial design and traversal design which will improve the resiliency and achieve sufficient level of security in the network.This design can be used where large number of nodes are to be deployed in the WSN. Keywords — Sensor nodes(SN), Combinatorial design, Key pre-distribution scheme(KPS), Resiliency, Symmetric balanced incomplete block design(SBIBD), Traversal design

Secure Key Pre-distribution in Wireless Sensor Networks Using Combinatorial Design and Traversal Design Based Key Distribution