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In this paper, the authors propose a security schema for the Radio Aware Optimized Link State Routing (RA-OLSR) protocol. They consider the security vulnerabilities for RA-OLSR and apply mechanisms based on Identity Based Encryption (IBE). The motivation behind using the IBE-signature is that it eliminates the need to verify the authenticity of public keys. They have implemented the IBE technique to secure messages in RA-OLSR, namely Hello and TC messages. Through simulation experiments, they have evaluated the performance of their IBE-RAOLSR in terms of delay and control overhead. Simulation results show that the IBE-RA-OLSR does not induce a long overhead compared to the original RA-OLSR protocol.
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