ABSTRACT
The distributed signature scheme (DSS) is another important security service. It enables sensor nodes to communicate securely with each other. The main problem is to establish a secure signature between communicating nodes. However, some special features (i.e., resource constraint, impracticalness of protecting or monitoring each individual node physically as well as their applications which usually being supported by many components such as routing and localization) of sensor networks make it particularly challenging to provide security services for sensor networks. This chapter describes a secret distribution scheme for sensor networks that achieves automatic secret redistribution. The goal is to support distributing the secret among new members joining a sensor network without involving a trusted agent or intervention from the user. Our analysis indicates that our new schemes have some nice features compared with the previous methods. In particular, the system is efficient. Second, it guarantees automatic key distribution after initializations. Third, it is not urgent for key distribution and, finally, it automatically interact nodes coalition.
