Date of Publication :31st December 2017

Abstract: Wireless sensor network (WSN) is a collection of a sensor which is deployed remotely to sense the complicated area. It is used in various fields like military surveillance, disaster management and etc. Security is the most vital in the network. Cryptography plays an important role in network security. The traditional cryptographic technique can’t be applied to wireless sensor network because of its resource limitation. The proposed model is a hybrid cryptography which is a combination of both symmetric and asymmetric cryptographic techniques. The key is generated with the help of ECC and securely transmitted through ECDH protocol. Confidentiality of data is done through AES, Blowfish and ECC. Hashing technique MD5 is used for Integrity of data. It provides high security in an efficient manner. It requires less memory, energy and computation time.

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