SAT: A Security Architecture Achieving Anonymity and Traceability in Wireless Mesh Networks

Authors:
Jinyuan Sun;Chi Zhang;Yanchao Zhang;Yuguang (Michael) Fang
Affiliations:
University of Florida, Gainesville;University of Florida, Gainesville;New Jersey Institute of Technology, Newark;University of Florida, Gainesville
Venue:
IEEE Transactions on Dependable and Secure Computing
Year:
2011

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Abstract

Anonymity has received increasing attention in the literature due to the users' awareness of their privacy nowadays. Anonymity provides protection for users to enjoy network services without being traced. While anonymity-related issues have been extensively studied in payment-based systems such as e-cash and peer-to-peer (P2P) systems, little effort has been devoted to wireless mesh networks (WMNs). On the other hand, the network authority requires conditional anonymity such that misbehaving entities in the network remain traceable. In this paper, we propose a security architecture to ensure unconditional anonymity for honest users and traceability of misbehaving users for network authorities in WMNs. The proposed architecture strives to resolve the conflicts between the anonymity and traceability objectives, in addition to guaranteeing fundamental security requirements including authentication, confidentiality, data integrity, and nonrepudiation. Thorough analysis on security and efficiency is incorporated, demonstrating the feasibility and effectiveness of the proposed architecture.