Welcome to the resource topic for 2020/1399
Title:
A New Generalisation of the Goldwasser-Micali Cryptosystem Based on the Gap 2^k-Residuosity Assumption
Authors: Diana Maimut, George Teseleanu
Abstract:We present a novel public key encryption scheme that enables users to exchange many bits messages by means of \emph{at least} two large prime numbers in a Goldwasser-Micali manner. Our cryptosystem is in fact a generalization of the Joye-Libert scheme (being itself an abstraction of the first probabilistic encryption scheme). We prove the security of the proposed cryptosystem in the standard model (based on the gap 2^k-residuosity assumption) and report complexity related facts. We also describe an application of our scheme to biometric authentication and discuss the security of our suggested protocol. Last but not least, we indicate several promising research directions.
ePrint: https://eprint.iacr.org/2020/1399
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