A Novel Sub-regional Key Management Scheme for Distributed Wireless Sensor Network
Yinghong Liu, Yuanming Wu · 2018
Encryption technique is one of the key technologies in wireless sensor networks.In this paper, a novel key management scheme of sub-regional based on bivariate symmetric polynomial key is proposed for distributed wireless sensor network (WSN).A certain amount of bivariate symmetric polynomials are stored in sensor nodes by sub-regional, it makes the intersection of key rings in any adjacent sensors not empty.We choose the hash function of all the common bivariate symmetric polynomials of the two communication nodes as the session keys.At the same time, our scheme also solves the contradictory problem among energy overhead, encryption techniques.A compromised solution is found to optimize the performance of wireless sensor network with the sound key management scheme proposed in this paper.