Ujwal K. Chinthala

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Contextual privacy threat arises from divulging the location and time of the triggering events to adversaries. Since, the context of the triggering events serve as useful information to the eavesdropper, data encryption alone renders inadequate for protecting total privacy of a sensing task. Obfuscation of the contextual information is a natural solution to(More)
Sensornets are being popularly deployed within a battle field for exchanging information between sensitive hideouts of soldiers and their ammunition camps. Battlefields are spread over a vast expanse and thus cannot be physically secured from eavesdropping intruders. Under these circumstances, the origin of sensed events becomes important as the wireless(More)
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