Maximizing the practical achievability of quantum annealing attacks on factorization-based cryptography

Fuente: arXiv
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Autor principal: Żołnierczyk, Olgierd
Formato: Preprint
Publicado: 2024
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author Żołnierczyk, Olgierd
author_facet Żołnierczyk, Olgierd
contents This work focuses on quantum methods for cryptanalysis of schemes based on the integer factorization problem and the discrete logarithm problem. We demonstrate how to practically solve the largest instances of the factorization problem by improving an approach that combines quantum and classical computations, assuming the use of the best publicly available special-class quantum computer: the quantum annealer. We achieve new computational experiment results by solving the largest instance of the factorization problem ever announced as solved using quantum annealing, with a size of 29 bits. The core idea of the improved approach is to leverage known sub-exponential classical method to break the problem down into many smaller computations and perform the most critical ones on a quantum computer. This approach does not reduce the complexity class, but it assesses the pragmatic capabilities of an attacker. It also marks a step forward in the development of hybrid methods, which in practice may surpass classical methods in terms of efficiency sooner than purely quantum computations will.
format Preprint
id arxiv_https___arxiv_org_abs_2410_04956
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Maximizing the practical achievability of quantum annealing attacks on factorization-based cryptography
Żołnierczyk, Olgierd
Cryptography and Security
This work focuses on quantum methods for cryptanalysis of schemes based on the integer factorization problem and the discrete logarithm problem. We demonstrate how to practically solve the largest instances of the factorization problem by improving an approach that combines quantum and classical computations, assuming the use of the best publicly available special-class quantum computer: the quantum annealer. We achieve new computational experiment results by solving the largest instance of the factorization problem ever announced as solved using quantum annealing, with a size of 29 bits. The core idea of the improved approach is to leverage known sub-exponential classical method to break the problem down into many smaller computations and perform the most critical ones on a quantum computer. This approach does not reduce the complexity class, but it assesses the pragmatic capabilities of an attacker. It also marks a step forward in the development of hybrid methods, which in practice may surpass classical methods in terms of efficiency sooner than purely quantum computations will.
title Maximizing the practical achievability of quantum annealing attacks on factorization-based cryptography
topic Cryptography and Security
url https://arxiv.org/abs/2410.04956