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We analyze the secure routing protocol (SRP) introduced by P. Papadimitratos and Z.J. Haas (see SCS Communication Networks and Distributed Systems, 2002) as a means of making ad hoc networks secure. Flaws in the authors' conclusions are discussed pertaining to SRP's stated goals. We then introduce an attack which demonstrates SRP's vulnerabilities and propose a solution based on the watchdog scheme.
Date of Conference: 9-11 April 2003