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Most recent ad hoc network research has focused on providing routing services without considering security. The authors detail security threats against ad hoc routing protocols, specifically examining AODV and DSR. In light of these threats, they identify three different environments with distinct security requirements. They propose a solution to one, the managed-open scenario where no network infrastructure is pre-deployed, but a small amount of prior security coordination is expected. Their protocol, ARAN, is based on certificates and successfully defeats all identified attacks. A novel secure multicast routing protocol that withstands insider attacks from colluding adversaries. Their protocol is a software-based solution and does not require additional or specialized hardware.
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