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Authors: Prabhat Kushwaha and Ayan Mahalanobis

Affiliation: IISER Pune, India

Keyword(s): Discrete Logarithm Problem, Baby-step Giant-step Algorithm, NIST Curves Over Prime Fields, Parallelized Collision Search.

Related Ontology Subjects/Areas/Topics: Information and Systems Security ; Security Protocols

Abstract: In this paper, a new algorithm to solve the discrete logarithm problem is presented which is similar to the usual baby-step giant-step algorithm. Our algorithm exploits the order of the discrete logarithm in the multiplicative group of a finite field. Using randomization with parallelized collision search, our algorithm indicates some weakness in NIST curves over prime fields which are considered to be the most conservative and safest curves among all NIST curves.

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Paper citation in several formats:
Kushwaha, P. and Mahalanobis, A. (2017). A Probabilistic Baby-step Giant-step Algorithm. In Proceedings of the 14th International Joint Conference on e-Business and Telecommunications (ICETE 2017) - SECRYPT; ISBN 978-989-758-259-2; ISSN 2184-3236, SciTePress, pages 401-406. DOI: 10.5220/0006396304010406

@conference{secrypt17,
author={Prabhat Kushwaha. and Ayan Mahalanobis.},
title={A Probabilistic Baby-step Giant-step Algorithm},
booktitle={Proceedings of the 14th International Joint Conference on e-Business and Telecommunications (ICETE 2017) - SECRYPT},
year={2017},
pages={401-406},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006396304010406},
isbn={978-989-758-259-2},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the 14th International Joint Conference on e-Business and Telecommunications (ICETE 2017) - SECRYPT
TI - A Probabilistic Baby-step Giant-step Algorithm
SN - 978-989-758-259-2
IS - 2184-3236
AU - Kushwaha, P.
AU - Mahalanobis, A.
PY - 2017
SP - 401
EP - 406
DO - 10.5220/0006396304010406
PB - SciTePress