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Hierarchical Key Management for CPS
Author(s): 
Pages: 16-19
Year: Issue:  4
Journal: Electronic Engineer

Keyword:  cyber physics systemkey managementBlom;
Abstract: Cyber physics system(CPS)is the combination of embedded system,real-time system,distributed sensor system and control system.In this paper,we discuss some key management schemes in the sensor network,such as key predistributed scheme,LEAP and Blom algorithm.Then we propose a hierarchical key management method.The method can ensure the connectivity of the nodes in the CPS and reduces the demand for the hardware and network communication resources.
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