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Possible spell-corrected query: oprf-PSI
2021/1475 (PDF) Last updated: 2021-11-06
Circuit-based PSI for Covid-19 Risk Scoring
Leonie Reichert, Marcel Pazelt, Björn Scheuermann
Applications

—Many solutions have been proposed to improve manual contact tracing for infectious diseases through automation. Privacy is crucial for the deployment of such a system as it greatly influences adoption. Approaches for digital contact tracing like Google Apple Exposure Notification (GAEN) protect the privacy of users by decentralizing risk scoring. But GAEN leaks information about diagnosed users as ephemeral pseudonyms are broadcast to everyone. To combat deanonymisation based on the time of...

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