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" This book brings together theoretical and technical concepts of intelligent embedded control systems and their use in hardware and software architectures by highlighting formal modeling, execution models, and optimal implementations "-Provided by publisher. All work contributed to this book is new, previously-unpublished material. The views expressed in(More)
We present an implementation of an EC cryptographic library targeting three main objectives: portability, modularity, and ease of use. Our goal is to provide a fully-equipped library of portable source code with clearly separated modules that allows for easy development of EC cryptographic protocols, and which can be readily tailored to suit different(More)
We present a variant of the complex multiplication method that generates elliptic curves of cryptographically strong order. Our variant is based on the computation of Weber polynomials that require significantly less time and space resources than their Hilbert counterparts. We investigate the time efficiency and precision requirements for generating(More)
—The scope of this survey is to examine and thoroughly evaluate the cluster-based Group Key Agreement (GKA) protocols for Wireless Sensor Networks (WSNs). Towards this goal, we have grouped the WSNs application environments into two major categories (i.e., infrastructure-based and infrastruc-tureless) and have examined: a) which of the cluster-based Group(More)
Wireless sensor networks are expected to make a significant contribution in the healthcare sector by enabling continuous patient monitoring. Since medical services and the associated to them information are considered particularly sensitive, the employment of wireless sensors in medical environments poses many security issues and challenges. However,(More)
The establishment of a group key in wireless ad hoc networks is considered a difficult task from both an algorithmic and computational point of view. The reason is the special nature and the constraints posed by these networks. In this paper, we present an efficient group key agreement protocol which is particularly suitable for energy constrained,(More)