Paper 2024/038

On Computing the Multidimensional Scalar Multiplication on Elliptic Curves

Walid Haddaji, Science and technology for defense lab LR19DN01, Center for military research, military academy, Tunis, Tunisia
Loubna Ghammam, ITK Engineering GmbH, Im Speyerer Tal 6 R ̈ulzheim76761Germany.
Nadia El Mrabet, Laboratory of Secure System and Architecture (SSA), Ecole des Mines de Saint Etienne, 880 Rte de Mimet, Campus Georges Charpak Provence, 13120, Gardanne, France.
Leila Ben Abdelghani, Laboratory of Analysis, Probability and Fractals (LAPF), Faculty of Sciences, Environment Avenue, Omrane, 5000, Monastir, Tunisia.
Abstract

Multiscalar multiplication on elliptic curves is used in wide cryptographic domains such as digital signatures, zero knowledge proofs, and verifiable computation, where it enables efficient and secure cryptographic protocols. In this work, we present two methods for optimizing multi scalar multiplication over elliptic curves. The first method is used when $3^d - 1$ points of the target curve can be stored. The second method is suitable for large values of $d$, where storing $3^d - 1$ points becomes infeasible. Our first method achieves up to $24\%$ better performance on elliptic curves with efficient tripling, speeding up ECDSA signing by $2.88\times$ and verification by $1.67\times$. The second method achieves an efficiency improvement of $11.34\%$ compared to the similar existing approach. These improvements are supported by operation counts and practical benchmarks.

Metadata
Available format(s)
PDF
Category
Foundations
Publication info
Preprint.
Keywords
Elliptic curvesmultidimensional scalar multiplicationscalar multiplicationcomplexity
Contact author(s)
haddajiwalid95 @ gmail com
ubna ghammam @ itk-engineering de
nadia elmrabet @ emse fr
leila benabdelghani @ fsm rnu tn
History
2026-02-09: last of 3 revisions
2024-01-09: received
See all versions
Short URL
https://ia.cr/2024/038
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2024/038,
      author = {Walid Haddaji and Loubna Ghammam and Nadia El Mrabet and Leila Ben Abdelghani},
      title = {On Computing the Multidimensional Scalar Multiplication on Elliptic Curves},
      howpublished = {Cryptology {ePrint} Archive, Paper 2024/038},
      year = {2024},
      url = {https://eprint.iacr.org/2024/038}
}
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