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Authors: Ferucio Laurentiu Tiplea 1 ; Alexandru Ionită 2 and Anca Maria Nica 2

Affiliations: 1 Department of Computer Science, Alexandru Ioan Cuza University of Iasi, Iasi, Romania, Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania ; 2 Department of Computer Science, Alexandru Ioan Cuza University of Iasi, Iasi, Romania

Keyword(s): Compartmented Access Structure, Attribute Based Encryption.

Abstract: Compartmented access structures (CASs) regulate the access control by requesting the consent of various compartments. Thus, they are particularly useful to Internet of Things or Wireless Sensor Networks applications with cloud support. The construction of practically efficient attribute-based encryption (ABE) schemes for CASs is faced with the fact that these access structures cannot be represented by Boolean formulas. The use of multilinear map based ABE schemes for general Boolean circuits is not only impractical but also suffers from the lack of secure multilinear map candidates. Also, the schemes based on lattice cryptography, even if they are secure, are highly inefficient in practice. We show in this paper that for CASs we can construct practically efficient ABE schemes based on secret sharing and just one bilinear map. The construction can also be applied to multilevel access structures.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Laurentiu Tiplea, F.; Ionită, A. and Nica, A. (2020). Practically Efficient Attribute-based Encryption for Compartmented Access Structures. In Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - SECRYPT; ISBN 978-989-758-446-6; ISSN 2184-7711, SciTePress, pages 201-212. DOI: 10.5220/0009887202010212

@conference{secrypt20,
author={Ferucio {Laurentiu Tiplea}. and Alexandru Ionită. and Anca Maria Nica.},
title={Practically Efficient Attribute-based Encryption for Compartmented Access Structures},
booktitle={Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - SECRYPT},
year={2020},
pages={201-212},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0009887202010212},
isbn={978-989-758-446-6},
issn={2184-7711},
}

TY - CONF

JO - Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - SECRYPT
TI - Practically Efficient Attribute-based Encryption for Compartmented Access Structures
SN - 978-989-758-446-6
IS - 2184-7711
AU - Laurentiu Tiplea, F.
AU - Ionită, A.
AU - Nica, A.
PY - 2020
SP - 201
EP - 212
DO - 10.5220/0009887202010212
PB - SciTePress