Cryptanalysis II by Mareková, Klein & Vaudenay

Lenka Mareková, Ph.D. Student , Royal Holloway, University of London
Karen Klein, Ph.D. Student , IST Austria
Serge Vaudenay, Professor, EPFL

This Cryptography session will cover the following topics: Topic 1) Mesh Messaging in Large-scale Protests: Breaking Bridgefy; Topic 2) Inverse-Sybil Attacks in Automated Contact Tracing; and Topic 3) On the Effectiveness of Time Travel to Inject COVID-19 Alerts.