Abstract | ||
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Systems that provide network traffic anonymity typically focus on wide-area network topologies, and exploit the infeasibility of eavesdropping on all links to prevent at- tackers from determining communication peers. This ap- proach is inappropriate for high-security wireless local- area networks, since it does not obscure the traffic vol- ume, allowing attackers to identify critical nodes (e.g., a military HQ) and, given the ability of an attacker to ob- tain a global view of all communications, the relative ease of identifying the source and destination of traffic flows. These weaknesses derive from the fact that, whereas in wide-area networks the sender, the receiver and the ad- versary are on different physical links, in wireless net- works they may share a single broadcast link. Moreover, the adversary can easily find the physical location of the transmitter and thereby identify the entity sending the traffic, not just its network identity. We introduceWire- less Anonymous Routing (war), an approach to achieve anonymity in a broadcast network. We describe a for- mal threat model for war and compare it to the tradi- tional anonymity approaches. We show that these are inadequate when applied to the broadcast model, and de- scribe new protocols that preserve security with better performance, adequately addressing the requirements of security-critical environments. We provide analytical and some preliminary experimental evidence that our proto- cols achieve anonymity at a reasonable cost. |
Year | Venue | Keywords |
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2009 | I. J. Network Security | wireless,manet,anonymity,onion routing,source routing,wireless local area network,traffic flow,col,computer science |
Field | DocType | Volume |
Wireless network,Traffic generation model,Computer security,Computer science,Broadcasting (networking),Computer network,Network topology,Wireless WAN,Anonymity,Broadcast radiation,Broadcast communication network | Journal | 8 |
Issue | Citations | PageRank |
1 | 9 | 0.58 |
References | Authors | |
52 | 5 |
Name | Order | Citations | PageRank |
---|---|---|---|
matt blaze | 1 | 3189 | 381.70 |
John Ioannidis | 2 | 1431 | 145.33 |
Angelos D. Keromytis | 3 | 4678 | 385.02 |
Tal G. Malkin | 4 | 2633 | 152.56 |
Aviel D. Rubin | 5 | 3330 | 374.32 |