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A framework for measuring post-attack system-wide anonymity in anonymous communication systems
Lu, Huabo
Lu, Huabo
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Dissertation
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2018-12
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Dissertation
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Abstract
We develop techniques for measuring the amount of anonymity provided by anonymity
systems in the aftermath of attacks. Anonymity systems are special systems that enable
their users to carry out anonymous communication over the Internet. Our measurement
techniques help compare the quality or e ectiveness of di erent anonymity systems, or even
strengths of di erent attacks. We consider two types of attacks on anonymity systems,
namely infeasibility and probabilistic attacks, and develop a canonical attack mapping to
show that the latter is a generalization of the former. We also expand the system models
underlying existing methods by including in our study emerging system features, such as data
caching, message multiplicities, and their combined e ects on anonymity. Our resulting
framework can be used as a basis for developing anonymity metrics for next-generation
anonymity systems.
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Thesis (Ph.D.)-- Wichita State University, College of Engineering, Dept. of Electrical Engineering & Computer Science
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Wichita State University
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Copyright 2018 by Huabo Lu
All Rights Reserved