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Authors: François Gérard ; Veronika Kuchta ; Rajeev Anand Sahu ; Gaurav Sharma and Olivier Markowitch

Affiliation: Université Libre de Bruxelles and Belgium

Keyword(s): Homomorphic Encryption, Identity-based Encryption, Leakage Resilient Cryptography, LWE.

Related Ontology Subjects/Areas/Topics: Applied Cryptography ; Cryptographic Techniques and Key Management ; Data Engineering ; Databases and Data Security ; Information and Systems Security ; Security in Distributed Systems ; Security Protocols

Abstract: History tells us that is not enough to base security solely on the unfeasability of solving the underlying hard problem of a cryptosystem. In the real world, it is not uncommon for an adversary to get access to some key dependent information potentially helping to perform cryptanalysis. Recently a lot of effort has been put into designing cryptosystems such that the impact of leaking key related information is minimized, this area is mostly known as leakage-resilient cryptography. In this work, we show how to construct a distributed fully homomorphic identity-based encryption secure in the continual auxiliary input model. Our construction is based on the fully homomorphic scheme of Gentry, Sahai and Waters and relies merely on the learning with errors assumption, which is conjectured being resistant against quantum attacks.

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Paper citation in several formats:
Gérard, F.; Kuchta, V.; Anand Sahu, R.; Sharma, G. and Markowitch, O. (2018). Fully Homomorphic Distributed Identity-based Encryption Resilient to Continual Auxiliary Input Leakage. In Proceedings of the 15th International Joint Conference on e-Business and Telecommunications - SECRYPT; ISBN 978-989-758-319-3; ISSN 2184-3236, SciTePress, pages 41-52. DOI: 10.5220/0006832202070218

@conference{secrypt18,
author={Fran\c{C}ois Gérard. and Veronika Kuchta. and Rajeev {Anand Sahu}. and Gaurav Sharma. and Olivier Markowitch.},
title={Fully Homomorphic Distributed Identity-based Encryption Resilient to Continual Auxiliary Input Leakage},
booktitle={Proceedings of the 15th International Joint Conference on e-Business and Telecommunications - SECRYPT},
year={2018},
pages={41-52},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006832202070218},
isbn={978-989-758-319-3},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the 15th International Joint Conference on e-Business and Telecommunications - SECRYPT
TI - Fully Homomorphic Distributed Identity-based Encryption Resilient to Continual Auxiliary Input Leakage
SN - 978-989-758-319-3
IS - 2184-3236
AU - Gérard, F.
AU - Kuchta, V.
AU - Anand Sahu, R.
AU - Sharma, G.
AU - Markowitch, O.
PY - 2018
SP - 41
EP - 52
DO - 10.5220/0006832202070218
PB - SciTePress

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