Welcome to the resource topic for 2016/277
Title:
Public Key Encryption Supporting Equality Test and Flexible Authorization without Bilinear Pairings
Authors: Xi-Jun Lin, Haipeng Qu, Xiaoshuai Zhang
Abstract:In recent years, public key encryption with equality test (PKEET) has become a hot research topic in the cryptography community due to the advancement of cloud computing. Recently, Ma et al. proposed a new related primitive, called public key encryption with equality test supporting flexible authorization (PKEET-FA), and constructed a concrete scheme. In their proposal, four types of authorization were presented to support different authorization policies. However, their proposal is based on bilinear pairings which are time costing operations compared with modular exponentiations. In this paper, we present a new PKEET-FA scheme without bilinear pairings. Compared with the existing work, our proposal is more efficient.
ePrint: https://eprint.iacr.org/2016/277
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