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Author: Marc Joye

Affiliation: Technicolor, United States

ISBN: 978-989-758-117-5

Keyword(s): Public-Key Encryption, Key Privacy, Quadratic Residuosity.

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

Abstract: This paper presents a key-private public-key cryptosystem. More specifically, in addition to confidentiality, it provides privacy. Informally, ciphertexts yield no information whatsoever about its recipient (beyond what is publicly known). The presented cryptosystem also features a very fast key generation: the key generation boils down to a mere squaring modulo an RSA modulus. Further, it comes with strong security guarantees: it is proved to be semantically secure and key-private under the standard quadratic residuosity assumption.

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Paper citation in several formats:
Joye M. (2015). A Key-private Cryptosystem from the Quadratic Residuosity.In Proceedings of the 12th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2015) ISBN 978-989-758-117-5, pages 398-404. DOI: 10.5220/0005569703980404

@conference{secrypt15,
author={Marc Joye},
title={A Key-private Cryptosystem from the Quadratic Residuosity},
booktitle={Proceedings of the 12th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2015)},
year={2015},
pages={398-404},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005569703980404},
isbn={978-989-758-117-5},
}

TY - CONF

JO - Proceedings of the 12th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2015)
TI - A Key-private Cryptosystem from the Quadratic Residuosity
SN - 978-989-758-117-5
AU - Joye M.
PY - 2015
SP - 398
EP - 404
DO - 10.5220/0005569703980404

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