Tag: secure messaging
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The Price of Differential Privacy under Continual Observation
Palak Jain, Sofya Raskhodnikova, Satchit Sivakumar, Adam Smith TPDP 2022 Satchit and me with our TPDP poster at Graffiti Alley in Baltimore, Maryland. We study the accuracy of differentially private mechanisms in the continual release model. A continual release mechanism receives a sensitive dataset as a stream of T inputs and produces, after receiving each input, an…
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Universally Composable End-to-End Secure Messaging
Ran Canetti, Palak Jain, Marika Swanberg, Mayank Varia CRYPTO 2022 The overall structure of our functionalities and protocols: The thick horizontal arrows represent instantiation and the thin vertical arrows represent subroutine calls. We model and analyse the Signal end-to-end messaging protocol within the UC framework. In particular: Our modelling introduces additional innovations that enable arguing…
Palak Jain 