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Prevention of Blackhole Attack using Certificateless Signature (CLS) Scheme in MANET
Abstract
One of the generally used routing protocols for MANET is AODV (Ad hoc on demand Distance Vector), which is vulnerable to one of the particular type of security attack called blackhole attack. The characteristics of blackhole attack, a malicious node sends a false route reply without having any fresh route to a destination and is also drop all receiving packets and replay packet in the entire network. A certificateless based signature scheme enables users to generate their public key and private key without using any certificate. Due to this reason, we do not need any certificate authority (CA). In this paper, we propose a novel CLS scheme for prevention of a blackhole attack and also provide secure communication based on CLS scheme. Simulation results show that CLS scheme prevents blackhole attack successfully and is provide better performance to other existing schemes in the presence of blackhole node and also ensuring authentication, integrity and non-repudiation.
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