A Secure Scheme for Cluster-based Wireless Sensor Networks

A strategy for wireless sensor network security is presented through dividing sensing multi-dimension hypercube into clusters and using the overlap key sharing (OKS) concept in this paper. The multi-dimension sensing hypercube is divided into a number of small same dimension hypercubes called cells, some of which are comprised of a cluster called logical group. The overlap key sharing protocol creates long bit clusters as the key cluster pools and distributes a sub-group to every sensor as key cluster. Analysis and comparison demonstrate this scheme enhances the WSN security, realizes the flexile secure grades for WSN, and has good network connection.