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Title: Mutual anonymity for mobile P2P systems
Authors: Han, Jinsong
Liu, Yunhao
Keywords: Mobile Peer-to-Peer
Mutual anonymity
Secret sharing
Issue Date: Aug-2008
Citation: IEEE Transactions on Parallel and Distributed Systems, v. 19, no. 8, 2008, p. 1009-1019. (pre-published version)
Abstract: Mobile Peer-to-Peer Networks (MOPNETs) have become popular applications due to their ease of communication and resource sharing patterns in unfixed network infrastructures. As privacy and security are coming under increasing attention, many mobile and ad hoc network protocols attempt to provide mutual anonymity for users. Most existing anonymous designs, however, are path based, where the anonymous communications are achieved via a predetermined path. Such a design suffers from unreliable delivery and high processing overheads and is not practical. We propose a scalable secret-sharing-based mutual anonymity protocol, termed PUZZLE, which enables anonymous query issuance and file delivery for MOPNETs in ad hoc environments by employing Shamir’s secret sharing scheme. We present the design of PUZZLE, analyze its degree of security and anonymity, and evaluate its performance by comprehensive trace-driven simulations. Experimental results show that compared with previous designs, PUZZLE achieves mutual anonymous communications with a lower cryptography processing overhead and higher degree of anonymity.
Rights: © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
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