[Resource Topic] 2014/401: Software implementation of an Attribute-Based Encryption scheme

Welcome to the resource topic for 2014/401

Title:
Software implementation of an Attribute-Based Encryption scheme

Authors: Eric Zavattoni, Luis J. Dominguez Perez, Shigeo Mitsunari, Ana H. Sánchez-Ramírez, Tadanori Teruya, Francisco Rodríguez-Henríquez

Abstract:

A ciphertext-policy attribute-based encryption protocol uses bilinear pairings to provide control access mechanisms, where the set of user’s attributes is specified by means of a linear secret sharing scheme. In this paper we present the design of a software cryptographic library that achieves record timings for the computation of a 126-bit security level attribute-based encryption scheme. We developed all the required auxiliary building blocks and compared the computational weight that each of them adds to the overall performance of this protocol. In particular, our single pairing and multi-pairing implementations achieve state-of-the-art time performance at the 126-bit security level.

ePrint: https://eprint.iacr.org/2014/401

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