Abstract
Wireless Sensor Network is a group of wireless nodes exclusively designed for the continuous sensing of information at human inaccessible locates. Reprogramming is a definite need at such situations when the monitoring conditions vary according to the environmental changes or other user requirements. Insecure transmission of reprogramming code to such areas can ruin the entire operation of the network. To avoid this, Secure and Distributive Reprogramming Protocol (SDRP) was proposed for user privilege maintenance. In this paper, Diffie-Hellman key(DH) exchange mechanism is implemented as an enhancement to the existing method to further improve security between the forwarding nodes. A network simulator simulation analysis and discussion is provided for the proposed SDRP-DH.
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