Communications of the ACM
Authenticated ad hoc routing at the link layer for mobile systems
Wireless Networks
Security-aware ad hoc routing for wireless networks
MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
Password-capabilities: their evolution from the password-capability system into walnut and beyond
ACSAC '01 Proceedings of the 6th Australasian conference on Computer systems architecture
A Secure Routing Protocol for Ad Hoc Networks
ICNP '02 Proceedings of the 10th IEEE International Conference on Network Protocols
Providing Robust and Ubiquitous Security Support for Mobile Ad Hoc Networks
ICNP '01 Proceedings of the Ninth International Conference on Network Protocols
A 10-Gbps full-AES crypto design with a twisted BDD S-box architecture
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
IEEE Transactions on Consumer Electronics
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Wireless networks are at risk of security attacks since transmissions can be intercepted by anyone within the transmission range. Therefore participating entities should incorporate robust systems to withstand the attacks as rigorously as possible. In this paper we present a link level security protocol (LLSP) to be deployed in a suburban ad-hoc network (SAHN) [1]. A SAHN aims to provide suburban area connectivity for local area networks at broadband speed with a low initial cost and zero service charges using wireless technology. LLSP provides services for authentication, integrity assurance, encryption and detection of misbehaving neighbors to ensure security at the data link layer. We propose a design framework to integrate LLSP within existing MAC protocols (e.g. IEEE 802.11b) and estimate the computational and communication overhead of LLSP. Results show that LLSPýs overhead should not adversely affect the normal flow of traffic. Moreover, comparisons with existing solutions indicate that LLSP is a suitable link-level security service for an ad-hoc network similar to a SAHN.