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SECURE AND ROBUST IPV6 AUTOCONFIGURATION PROTOCOL FOR MOBILE ADHOC NETWORKS UNDER STRONG ADVERSARIAL MODEL

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Author(s): Zohra Slimane | Abdelhafid Abdelmalek | Mohamed Feham | Abdelmalik Taleb-Ahmed

Journal: International Journal of Computer Networks & Communications
ISSN 0975-2293

Volume: 3;
Issue: 4;
Start page: 208;
Date: 2011;
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Keywords: Mobile Ad hoc Networks | Auto-configuration | IP address | security | Threshold Cryptography | TCSAP | NS2

ABSTRACT
Automatic IP address assignment in Mobile Ad hoc Networks (MANETs) enables nodes to obtainroutable addresses without any infrastructure. Different protocols have been developed throughout thelast years to achieve this service. However, research primarily focused on correctness, efficiency andscalability; much less attention has been given to the security issues. The lack of security in the design ofsuch protocols opens the possibility of many real threats leading to serious attacks in potentially hostileenvironments. Recently, few schemes have been proposed to solve this problem, but none of them hasbrought satisfactory solutions. Auto-configuration security issues are still an open problem. In this paper,a robust and secure stateful IP address allocation protocol for standalone MANETs is specified andevaluated within NS2. Our solution is based on mutual authentication, and a fully distributed Autoconfigurationand CA model, in conjunction with threshold cryptography. By deploying a new concept ofjoint IP address and public key certificate, we show that, instead of earlier approaches, our solutionsolves the problem of all possible attacks associated with dynamic IP address assignment in MANETs.The resulting protocol incurs low latency and control overhead.
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