BBA: An Efficient Batch Bundle Authentication Scheme for Delay Tolerant Networks

To realize efficient in-transit messages (bundles) authentication in delay tolerant networks (DTNs), this paper introduces a novel batch bundle authentication (BBA) scheme to validate the bundles in a batch instead of authenticating them one by one. We take the advantage of identity based cryptography to dramatically reduce the transmission cost, and adopt batch signature technique to realize the efficient bundle signature verification. Compared with existing message authentication approaches, our scheme has the superiority on improved efficiency even under the invalid signature attack. Simulation results demonstrate that the proposed scheme can be an enhancement for current bundle security protocol specification.