Wireless sensor network requires secure and trusted communication. Due to lack of power supply and processing capability of sensor node ensuring security in wireless sensor network is a challenging task. The major attack in wireless sensor network is byzantine attack, where an opponent node has full control over some of the authenticated nodes and can perform arbitrary behavior to disturb the system. The key idea of this project is to ensure the delivery of accurate data in wireless sensor network with mobile access points (SENMA) for the reliable data fusion. In sensor network with mobile access points, the mobile node is used to collect data from sensor nodes. Mobile node uses distributed detection technique to sense weather a node is normal node or static attacker or dynamic attacker. Then it collects data from valid nodes only and sends aggregated data to sink.
Secure pursuit strategies over encoded cloud information enable an approved client to inquiry information documents of enthusiasm by submitting scrambled question catchphrases to the cloud server in a protection safeguarding way. In any case, practically speaking, the returned question might be mistaken or deficient in the exploitative cloud condition. For instance, the cloud server may deliberately preclude some qualified outcomes to spare computational assets and correspondence overhead. In this manner, a well-working secure inquiry framework need to provide a question comes about check system that permits the knowledge client to verify comes about. In this paper we outline a protected, efficiently included, and fine-grained question comes about corroboration instrument, by which, given an prearranged inquiry comes about set, the query client not wholly can check the rightness of every in order record in the set yet in addition can as well check what number of or which qualified information documents are not returned if the set is inadequate before unscrambling. The check plot is free coupling to concrete secure inquiry procedures and may be effectively coordinated into any safe question conspire. We accomplish the target by building secure check question for scrambled cloud information. Moreover, a short mark strategy with greatly little stockpiling cost is proposed to ensure the credibility of confirmation protest and a check question ask for method is introduced to enable the inquiry client to safely get the coveted check protest. Execution assessment demonstrates that the proposed plans are down to earth and proficient.
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