Formal Verification of Anonymous Communication Protocols

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Deljoo, Vahid | 2014

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 46691 (02)
University: Sharif University of Technology
Department: Mathematical Sciences
Advisor(s): Ramezanian, Rasool
Abstract:
One of the biggest challenges in online communication is privacy of individuals. Although anonymous communication (AC) protocols has been the subject of several security and anonymity analyses recently, there are still few frameworks for analyzing such complex systems (e.g. Tor) and their anonymity properties in a unified manner. In this study, an overview of anonymity features and techniques will be discussed by examining various protocols that provide undetectable network communication. Afterwards, the Tor network is described more precisely. Furthermore, the literature of formal methods is briefly reviewed, and the Universal Composable (UC) framework for the analysis of cryptography protocols is explained. Finally, AnoA framework which is a general framework for defining, analyzing and quantifying anonymity properties for AC protocols is described and properties of the Tor protocol are analyzed using this framework
Keywords:
Anonymity ; Security ; Formal Methods ; Security Protocols ; Tor Network ; Privacy ; Formal Verification ; AnoA Framework

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