Updating key size estimations for pairings

R Barbulescu, S Duquesne - Journal of cryptology, 2019 - Springer
Recent progress on NFS imposed a new estimation of the security of pairings. In this work
we study the best attacks against some of the most popular pairings and propose new key …

Challenges with assessing the impact of NFS advances on the security of pairing-based cryptography

A Menezes, P Sarkar, S Singh - International Conference on Cryptology in …, 2016 - Springer
In the past two years there have been several advances in Number Field Sieve (NFS)
algorithms for computing discrete logarithms in finite fields\mathbb F _ p^ n where p is prime …

Extended tower number field sieve with application to finite fields of arbitrary composite extension degree

T Kim, J Jeong - IACR International Workshop on Public Key …, 2017 - Springer
We propose a generalization of exTNFS algorithm recently introduced by Kim and
Barbulescu (CRYPTO 2016). The algorithm, exTNFS, is a state-of-the-art algorithm for …

A taxonomy of pairings, their security, their complexity

R Barbulescu, N El Mrabet, L Ghammam - 2020 - hal.science
A recent NFS attack against pairings made it necessary to increase the key sizes of the most
popular families of pairings: BN, BLS12, KSS16, KSS18 and BLS24. The attack applies to …

Faster individual discrete logarithms in finite fields of composite extension degree

A Guillevic - Mathematics of computation, 2019 - ams.org
Computing discrete logarithms in finite fields is a main concern in cryptography. The best
algorithms in large and medium characteristic fields (eg, $\rm {GF}(p^ 2) $, $\rm {GF}(p^{12}) …

[PDF][PDF] 基于椭圆曲线中配对的密码学研究综述

王辈, 胡红钢 - Journal of Cryptologic Research, 2022 - jcr.cacrnet.org.cn
近些年, 椭圆曲线中的配对在密码学中的应用日趋广泛, 对配对的计算效率也有了越来越高的
要求. 为了提高配对的计算效率, 研究者们一方面从理论与算法的角度改进已有的配对 …

Solving discrete logarithms on a 170-bit MNT curve by pairing reduction

A Guillevic, F Morain, E Thomé - … Areas in Cryptography–SAC 2016: 23rd …, 2017 - Springer
Pairing based cryptography is in a dangerous position following the breakthroughs on
discrete logarithms computations in finite fields of small characteristic. Remaining instances …

Discrete logarithms

A Guillevic, F Morain - Guide to pairing-based cryptography, 2017 - taylorfrancis.com
The Discrete Logarithm Problem (DLP) is one of the most used mathematical problems in
asymmetric cryptography design, the other one being the integer factorization. It is …

Improvements on the individual logarithm step in extended tower number field sieve

Y Zhu, J Zhuang, C Lv, D Lin - Cryptology ePrint Archive, 2016 - eprint.iacr.org
The hardness of discrete logarithm problem over finite fields is the foundation of many
cryptographic protocols. When the characteristic of the finite field is medium or large, the …

[HTML][HTML] Refined analysis to the extended tower number field sieve

Y Zhu, J Wen, J Zhuang, C Lv, D Lin - Theoretical computer science, 2020 - Elsevier
The hardness of discrete logarithm problem over finite fields is the security foundation of
many cryptographic protocols. When the characteristic of the finite field is medium or large …