InfoSec Seminar: Cryptogenography: Anonymity without trust

Speaker: Sune K. Jakobsen

Date/Time: 29-Sep-2016, 15:00 UTC

Venue: Roberts 110

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Abstract

Most research in anonymous communication assumes some amount of trust: for example that there is at least one server that can be trusted. In this talk we will see what happens if no active participant can be trusted and an adversary can see all communication. We consider both the model where the adversary's computational power is bounded and the model where it is unbounded. In both models, we will see that it is possible to achieve something anonymously. However, we will also show very low upper bounds on how much information you can send. This justifies the assumption of trust in anonymity research.Part of this talk is based on joint work with Claudio Orlandi. 

Bio

Sune K. Jakobsen started as a research  associate at UCL earlier this year. Before that, he was a PhD student at Queen Mary, University of London. He has publications in anonymity, game theory and information theory.

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