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Article

A Privacy-Preserving Routing Protocol Using Mix Networks in Opportunistic Networks

1
Department of Information and Communications Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
2
CYBERCAT—Center for Cybersecurity Research of Catalonia, 43003 Tarragona, Spain
3
Department of Mathematics and Computer Science, Universitat de Barcelona, 08007 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(11), 1754; https://doi.org/10.3390/electronics9111754
Received: 15 August 2020 / Revised: 17 October 2020 / Accepted: 19 October 2020 / Published: 22 October 2020
(This article belongs to the Section Networks)
This paper focuses on the problem of providing anonymous communications in opportunistic networks. To that end, we propose an approach using Mix networks that enables a relatively simple solution. Opportunistic networks present some constraints that make the deployment of typical network anonymity solutions difficult or infeasible. We show, utilizing simulations on the basis of real mobility traces, that the proposed solution is feasible for some scenarios by introducing a tolerable penalty in terms of message delay and delivery. To investigate the impact of routing strategies, we offer two different methods to select Mix nodes. From the experiment results, we show the trade-off between network performance and security. View Full-Text
Keywords: opportunistic networks; mix networks; privacy opportunistic networks; mix networks; privacy
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MDPI and ACS Style

Chen, D.; Borrego, C.; Navarro-Arribas, G. A Privacy-Preserving Routing Protocol Using Mix Networks in Opportunistic Networks. Electronics 2020, 9, 1754. https://doi.org/10.3390/electronics9111754

AMA Style

Chen D, Borrego C, Navarro-Arribas G. A Privacy-Preserving Routing Protocol Using Mix Networks in Opportunistic Networks. Electronics. 2020; 9(11):1754. https://doi.org/10.3390/electronics9111754

Chicago/Turabian Style

Chen, Depeng, Carlos Borrego, and Guillermo Navarro-Arribas. 2020. "A Privacy-Preserving Routing Protocol Using Mix Networks in Opportunistic Networks" Electronics 9, no. 11: 1754. https://doi.org/10.3390/electronics9111754

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