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Numerous sensors have been deployed to monitor processes or environments in various fields. These sensors produce stream data that are difficult to store in a central storage area owing to network bandwidth constraints and the massive amounts of storage necessary. Thus, it is sometimes efficient to store these data using remote storage services. However, integrity concerns arise when data are stored...
Recent development of sensor and computer technology enabled WSNs (wireless sensor networks) to be expanded. To conserve power from each sensor, intermediate nodes should aggregate results from individual sensors. However, it can make it that a single compromised sensor can render the network useless, or worse, mislead the operator into trusting a false reading. In this paper, we propose a protocol...
WSNs, since the attacks, such as jamming or eavesdropping without physical access, easily occur, security is one of the important requirements for WSNs. The key pre- distribution scheme, recently being researched for advances of security in WSNs, distributes keys with probability with the use of q-composite random key pre-distribution method, but there is a high probability that there is no key shared...
The sensors in a ubiquitous network are limited because of the low electricity and because they are ultra light, so many studies have revolved around the sensor. This study suggests a way to improve the registration and authorization processes of a sensor node based on an alias for privacy. We introduce RA (relay agent) for the restrict function of sensor node, and improve anonymity for private information...
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