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Implementation and evaluation of a lattice-based key-policy ABE scheme

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Dai, Wei and Doroz, Yarkın and Polyakov, Yuriy and Rohloff, Kurt and Sajjadpour, Hadi and Savaş, Erkay and Sunar, Berk (2018) Implementation and evaluation of a lattice-based key-policy ABE scheme. IEEE Transactions on Information Forensics & Security, 13 (5). pp. 1169-1184. ISSN 1556-6013 (Print) 1556-6021 (Online)

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Official URL: http://dx.doi.org/10.1109/TIFS.2017.2779427

Abstract

In this paper, we report on our implementation of a lattice-based key-policy attribute-based encryption (KP-ABE) scheme, which uses short secret keys. The particular KP-ABE scheme can be used directly for attribute-based access control applications, as well as a building block in more involved applications and cryptographic schemes, such as audit log encryption, targeted broadcast encryption, functional encryption, and program obfuscation. We adapt a recently proposed KP-ABE scheme based on the learning with errors (LWE) problem to a more efficient scheme based on the ring learning with errors (RLWE) problem, and demonstrate an implementation that can be used in practical applications. Our state-of-theart implementation on graphics processing units shows that the homomorphic public key and ciphertext evaluation operations, which dominate the execution time of the KP-ABE scheme, can be performed in a reasonably short amount of time. Our practicality results also hold when scaled to a relatively large number of attributes. To the best of our knowledge, this is the first KP-ABE implementation that supports both ciphertext and public key homomorphism, and the only experimental practicality results reported in this paper.

Item Type:Article
Uncontrolled Keywords:Lattice-based cryptography; attribute-based encryption; GPU computing; RLWE
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics > TK7885-7895 Computer engineering. Computer hardware
Q Science > QA Mathematics > QA075 Electronic computers. Computer science
Q Science > QA Mathematics > QA076 Computer software
ID Code:35701
Deposited By:Erkay Savaş
Deposited On:15 Aug 2018 15:54
Last Modified:15 Aug 2018 15:54

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