Formalizing provable anonymity in Isabelle/HOL

Author:

Li Yongjian12,Pang Jun34

Affiliation:

1. State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences, P.O. Box 8717, Beijing, China

2. College of Information Engineering, Capital Normal University, Beijing, China

3. Computer Science and Communications, Faculty of Science, Technology and Communication, University of Luxembourg, Walferdange, Luxembourg

4. Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Walferdange, Luxembourg

Abstract

Abstract We formalize in a theorem prover the notion of provable anonymity. Our formalization relies on inductive definitions of message distinguishing ability and observational equivalence on traces observed by the intruder. Our theory differs from its original proposal and essentially boils down to the inductive definition of distinguishing messages with respect to a knowledge set for the intruder. We build our theory in Isabelle/HOL to achieve a mechanical framework for the analysis of anonymity protocols. Its feasibility is illustrated through two case studies of the Crowds and Onion Routing protocols.

Publisher

Association for Computing Machinery (ACM)

Subject

Theoretical Computer Science,Software

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Automatic Algorithm Programming Model Based on the Improved Morgan's Refinement Calculus;Wuhan University Journal of Natural Sciences;2022-10

2. A Framework for Formal Analysis of Anonymous Communication Protocols;Security and Communication Networks;2022-05-02

3. Encoding Induction Proof in Dafny;2021 International Symposium on Theoretical Aspects of Software Engineering (TASE);2021-08

4. A Probabilistic Small Model Theorem to Assess Confidentiality of Dispersed Cloud Storage;Quantitative Evaluation of Systems;2017

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