Hash Chain based Key Management for Mobile Heterogeneous Sensor Network

Abstract

Key management is an important issue for wireless sensor networks because sensors have limited resources as memory, processing speed and battery power. Key management is one of the basic building blocks of sensor network security. Many protocol presented before didn't take much attention on mobility of node. In this paper, we proposed Hass Chain based key management scheme for Heterogeneous networks where Base Station and cluster head are fixed and other node moving around these heads. Compare to other basic key management scheme, proposed scheme increase resilience against node capture as well as consider memory limitations. General TermsGeneral terms which are used in this paper are Security, Hash function collision, Hash Chain, Wireless Sensor Network,