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LEACH or Low-Energy Adaptive Clustering Hierarchy is a successful clustering-based routing protocol that recently has attracted a lot of attention in literature. However, this protocol is not prefect and has some deficiencies that other extensions of LEACH try to solve it. Security is one of the main problems of LEACH and many security attacks can be launched against this protocol. The need for security...
Certificate authorities (CAs) are the main components of PKI that enable us for providing basic security services in wired networks and Internet. But, we cannot use centralized CAs, in mobile ad hoc networks (MANETs). So, many efforts have been made to adapt CA to the special characteristics of MANETs and new concepts such as distributed CAs (DCAs) have been proposed that distribute the functionality...
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