New number-theoretic cryptographic primitives

This paper introduces new prq-based one-way functions and companion signature schemes. The new signature schemes are interesting because they do not belong to the two common design blueprints, which are the inversion of a trapdoor permutation and the Fiat–Shamir transform. In the basic signature sch...

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Main Authors: Brier Éric, Ferradi Houda, Joye Marc, Naccache David
Format: Article
Language:English
Published: De Gruyter 2020-08-01
Series:Journal of Mathematical Cryptology
Subjects:
Online Access:https://doi.org/10.1515/jmc-2019-0035
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author Brier Éric
Ferradi Houda
Joye Marc
Naccache David
author_facet Brier Éric
Ferradi Houda
Joye Marc
Naccache David
author_sort Brier Éric
collection DOAJ
description This paper introduces new prq-based one-way functions and companion signature schemes. The new signature schemes are interesting because they do not belong to the two common design blueprints, which are the inversion of a trapdoor permutation and the Fiat–Shamir transform. In the basic signature scheme, the signer generates multiple RSA-like moduli ni = pi2qi and keeps their factors secret. The signature is a bounded-size prime whose Jacobi symbols with respect to the ni’s match the message digest. The generalized signature schemes replace the Jacobi symbol with higher-power residue symbols. Given of their very unique design, the proposed signature schemes seem to be overlooked “missing species” in the corpus of known signature algorithms.
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spelling doaj.art-ecbb31c89b9e4fcaa5b0ff5bc936ff812022-12-22T04:09:20ZengDe GruyterJournal of Mathematical Cryptology1862-29761862-29842020-08-0114122423510.1515/jmc-2019-0035jmc-2019-0035New number-theoretic cryptographic primitivesBrier Éric0Ferradi Houda1Joye Marc2Naccache David3Ingenico, Valence, FranceNTT Secure Platform Laboratories, Tokyo, JapanOneSpan, Brussels, BelgiumÉcole normale supérieure, Paris, FranceThis paper introduces new prq-based one-way functions and companion signature schemes. The new signature schemes are interesting because they do not belong to the two common design blueprints, which are the inversion of a trapdoor permutation and the Fiat–Shamir transform. In the basic signature scheme, the signer generates multiple RSA-like moduli ni = pi2qi and keeps their factors secret. The signature is a bounded-size prime whose Jacobi symbols with respect to the ni’s match the message digest. The generalized signature schemes replace the Jacobi symbol with higher-power residue symbols. Given of their very unique design, the proposed signature schemes seem to be overlooked “missing species” in the corpus of known signature algorithms.https://doi.org/10.1515/jmc-2019-0035r-th power residue symbolr-th order imprintprq modulinumber theoryone-way functionsdigital signaturescryptographic primitives94a6011t7111a1511r18
spellingShingle Brier Éric
Ferradi Houda
Joye Marc
Naccache David
New number-theoretic cryptographic primitives
Journal of Mathematical Cryptology
r-th power residue symbol
r-th order imprint
prq moduli
number theory
one-way functions
digital signatures
cryptographic primitives
94a60
11t71
11a15
11r18
title New number-theoretic cryptographic primitives
title_full New number-theoretic cryptographic primitives
title_fullStr New number-theoretic cryptographic primitives
title_full_unstemmed New number-theoretic cryptographic primitives
title_short New number-theoretic cryptographic primitives
title_sort new number theoretic cryptographic primitives
topic r-th power residue symbol
r-th order imprint
prq moduli
number theory
one-way functions
digital signatures
cryptographic primitives
94a60
11t71
11a15
11r18
url https://doi.org/10.1515/jmc-2019-0035
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