2 papers
cs.CR2025
Transcript Franking for Encrypted Messaging
Armin Namavari, Thomas Ristenpart
Message franking is an indispensable abuse mitigation tool for end-to-end encrypted (E2EE) messaging platforms. With it, users who receive harmful content can securely report that…
cs.CR2024
Injection Attacks Against End-to-End Encrypted Applications
Andrés Fábrega, Carolina Ortega Pérez, Armin Namavari +3
We explore an emerging threat model for end-to-end (E2E) encrypted applications: an adversary sends chosen messages to a target client, thereby "injecting" adversarial content into…