Abstract
Security supports are a significant factor in the design of security system in ad hoc networks. It is particularly important to protect the identities of individual nodes to avoid personal privacy concerns. In this paper, we propose a security system for ID-based anonymous cluster-based MANETs to protect the privacy of nodes. Moreover, we propose a threshold signature scheme without pairing computations, which diminishes the computation load on each node. To the best of our knowledge, our proposed security system is the first in which the pseudonym is combined with cluster-based mobile ad hoc networks (MANETs) without a trusted entity. According to our protocol analysis, our proposal satisfies most properties for an anonymous security system and effectively copes with dynamic environments with greater efficiency by using secret sharing schemes. Therefore, it could be usefully applied to preserve privacy in dynamic MANETs without a trusted entity, such as military battlefields, emergency areas, mobile marketplaces, and vehicular ad hoc networks (VANETs).
Highlights
mobile ad hoc networks (MANETs) support communications in situations involving temporary self-organization and infrastructure-less situations, such as battlefields, disaster relief situations, and emergency rescue areas [1]
MANETs have been extended to intelligent transport systems, often called vehicular ad hoc networks (VANETs)
The protection of personal privacy has become increasingly important as the wireless networks have become personal and popular; secure security system designs with anonymity are required for cluster-based MANETs
Summary
MANETs support communications in situations involving temporary self-organization and infrastructure-less situations, such as battlefields, disaster relief situations, and emergency rescue areas [1]. MANETs are subject to various types of attacks because of the wireless and infrastructure-less environments in which they are used These network structures make it difficult to apply the certificate-based public key cryptosystem (CBC) to meet the requirements of the certificate authority (CA). This paper proposes a security system for ID-based anonymous cluster-based MANETs to protect the privacy of nodes. We propose a threshold signature scheme without pairing computation, which diminishes the computation load on each node in comparison with existing schemes. Our threshold signature is suitable for the distributed PKGs architecture or the cluster-based network architecture.
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