Abstract
A mobile ad hoc network (MANET) is a wireless communication network, which does not rely on any centralized management or a pre-existing infrastructure. Various certificate authorities (CAs) distributed over the network, each with a periodically updated share of the secrete key, is usually adopted. Thus many efforts have been made to adapt Certificate Authority's (CA) tasks to the dynamic environments of MANETs and distribute the tasks of CA among MANET nodes. Elliptic Curve Cryptography (ECC) is a cryptographic technique prominent suited for small devices, like those used in wireless communications, and is gaining momentum. The main advantage of ECC versus RSA is that for the same level of security it requires a much shorter key length. The purpose of this work is to design and implement a fully certificate authority based on polynomial over elliptic curve, based on trust graphs and threshold cryptography, which though has better cryptography in nature. The security is based on the elliptic curve discrete logarithm problem which aimed to increase the authentication and the security in MANETs.
Highlights
A Mobile Ad hoc Network (MANET) is a system of wireless mobile nodes that can communicate with each other without the use of predefined infrastructure or centralized administration
A fully self-organized mobile ad hoc network (MANET) means any user with the appropriate equipment can join and leave at random, and we can call this network as an “open” network; there is no form of access control
In this paper we proposed a dynamic fully distributed certificate authority scheme based on a polynomial over elliptic curve for Mobile Ad Hoc Networks, which though has better cryptography in nature
Summary
A Mobile Ad hoc Network (MANET) is a system of wireless mobile nodes that can communicate with each other without the use of predefined infrastructure or centralized administration. Providing security services including authentication, integrity confidentiality, availability, and anonymity to the mobile user is the main goal of the security solutions for MANET. A fully self-organized MANET means any user with the appropriate equipment (and software) can join and leave at random, and we can call this network as an “open” network; there is no form of access control Such a network will not find application in, for example, hostile military environments, but rather in commercial, community-based environments. In this paper we proposed a dynamic fully distributed certificate authority scheme based on a polynomial over elliptic curve for Mobile Ad Hoc Networks, which though has better cryptography in nature. This article offers a sharing scheme based on a polynomial over elliptic curve, in these scheme participants will hold optional sub-secret keys
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