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ELLIPTIC CURVE CRYPTOGRAPHY SYSTEMS AND THEIR HARDWARE IMPLEMENTATIONS IN WIRELESS AD HOC AND SENSOR NETWORKS

10.15199/59.2015.8-9.111

Jerzy Martyna

nr katalogowy: 93821
10.15199/59.2015.8-9.111

Elliptic curve cryptography (ECC) is a complex computational method and before its implementation some parameters have to be selected. Several software implementations of ECC systems have been realised. Nevertheless, the most popular in the wireless ad hoc and sensor networks are demands in the hardware implementations. Most of them are implemented on Application Specific Integrated Circuits (ASIC) and only two were implemented on Field Programmable Gate Array (FPGA). This paper surveys the ECC systems and investigates different implementations on wireless ad hoc and sensor networks. 1. INTRODUCTION Ad hoc networks have received their name due to the fact that there is no predefined structure or infrastructure of communication, but they consist of nodes that relay information to their neighbours possibly on behalf of other neighbours. Typical ad hoc networks are composed of heterogeneous mobile devices, such as cellular phones, PDAs, laptops, etc. and fixed equipment (base stations, access points, etc.). Wireless sensor networks (WSNs) are a particular type of ad hoc networks, in which the nodes are equipped with sensing facilities (thermometer, sensing device, etc.). A necessary component of wireless ad hoc and sensor networks is the ability to reliably authenticate the communication between the nodes and other network entities. The provision of security services such as authentication, confidentiality, integrity is critical in order to deploy the wireless ad hoc and wireless sensor networks in commercial or military environments. Some traditional security mechanisms, such as authentication protocols, digital signature and encryption are used in the ad hoc networks [1]. However, these mechanisms are not sufficient by themselves. Security requirements are mainly satisfied in WSNs through a symmetric key cryptography [2, 3]. These protocols are based on the keys concept. However, due to the limitation on memory resources[...]

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