Welcome to the resource topic for 2019/213
Title:
On ELFs, Deterministic Encryption, and Correlated-Input Security
Authors: Mark Zhandry
Abstract:We construct deterministic public key encryption secure for any constant number of arbitrarily correlated computationally unpredictable messages. Prior works required either random oracles or non-standard knowledge assumptions. In contrast, our constructions are based on the exponential hardness of DDH, which is plausible in elliptic curve groups. Our central tool is a new trapdoored extremely lossy function, which modifies extremely lossy functions by adding a trapdoor.
ePrint: https://eprint.iacr.org/2019/213
Talk: https://www.youtube.com/watch?v=KOMZohEuOcs
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