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SurvSec is a novel security architecture for reliable network recovery from base station BS failure of surveillance Wireless Sensor Network (WSN) in hostile environment. Key management is the fundamental security mechanism in WSN which is needed for secure localization, secure clustering, secure data aggregation, secure authenticated broadcasting and secure routing. In this paper, a novel hybrid and dynamic key management scheme was proposed. This new scheme established secret keys between sensor nodes for SurvSec security architecture with high security level, high performance and low setup time.
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