Welcome to the resource topic for 2024/177
Title:
Registered Functional Encryption for Quadratic Functions from MDDH
Authors: Qiaohan Chu, Li Lin, Chen Qian, Jie Chen
Abstract:We present a Registered Functional Encryption (RFE) scheme for inner product and a RFE scheme for quadratic functions based on pairings and relying on the Matrix Decision Diffie-Hellman (MDDH) assumption and bilateral MDDH assumption. Previously, RFE is only known to be constructed from indistinguishability obfuscation (iO) in Francati-Friolo-Maitra-Malavolta-Rahimi-Venturi [Asiacrypt '23].
ePrint: https://eprint.iacr.org/2024/177
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