NDSS 2025 – Iris: Dynamic Privacy Preserving Search In Authenticated Chord Peer-To-Peer Networks
ID: 35ed917a-f7f8-5bcb-824a-0bb68a749637
STIX ID: report--35ed917a-f7f8-5bcb-824a-0bb68a749637
Feed Name: Security Boulevard
This post highlights an NDSS 2025 session featuring the paper “Iris,” which proposes a privacy-preserving querying scheme for Chord peer-to-peer networks that maintains compatibility without requiring changes from other nodes. The work introduces an alpha, delta-privacy notion to model cumulative leakage across iterative searches, provides a security analysis, and presents a Matlab prototype showing tunable privacy with modest performance overhead.
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