Comptes Rendus
Number theory/Computer science
Effective arithmetic in finite fields based on Chudnovsky's multiplication algorithm
[Arithmétique effective dans les corps finis basée sur l'algorithme de multiplication de Chudnovsky]
Comptes Rendus. Mathématique, Volume 354 (2016) no. 2, pp. 137-141.

À partir d'une nouvelle construction de l'algorithme de multiplication de Chudnovsky et Chudnovsky, nous concevons des algorithmes efficaces pour la multiplication et l'exponentiation dans les corps finis. Ils sont adaptés à une implémentation matérielle et sont parallélisables, tout en gardant un nombre de multiplications bilinéaires très bas.

Thanks to a new construction of the Chudnovsky and Chudnovsky multiplication algorithm, we design efficient algorithms for both the exponentiation and the multiplication in finite fields. They are tailored to hardware implementation and they allow computations to be parallelized, while maintaining a low number of bilinear multiplications.

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DOI : 10.1016/j.crma.2015.12.001
Kévin Atighehchi 1 ; Stéphane Ballet 2 ; Alexis Bonnecaze 2 ; Robert Rolland 2

1 Aix-Marseille Université, Laboratoire d'informatique fondamentale de Marseille, case 901, 13288 Marseille cedex 9, France
2 Aix-Marseille Université, Institut de mathématiques de Marseille, case 930, 13288 Marseille cedex 9, France
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Kévin Atighehchi; Stéphane Ballet; Alexis Bonnecaze; Robert Rolland. Effective arithmetic in finite fields based on Chudnovsky's multiplication algorithm. Comptes Rendus. Mathématique, Volume 354 (2016) no. 2, pp. 137-141. doi : 10.1016/j.crma.2015.12.001. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.1016/j.crma.2015.12.001/

[1] K. Atighehchi; S. Ballet; A. Bonnecaze; R. Rolland Arithmetic in finite fields based on Chudnovsky multiplication algorithm (preliminary version submitted for publication) | arXiv

[2] S. Ballet Curves with many points and multiplication complexity in any extension of Fq, Finite Fields Appl., Volume 5 (1999), pp. 364-377

[3] D. Chudnovsky; G. Chudnovsky Algebraic complexities and algebraic curves over finite fields, J. Complex., Volume 4 (1988), pp. 285-316

[4] D. Coppersmith; S. Winograd Matrix multiplication via arithmetic progressions, J. Symb. Comput., Volume 9 (1990) no. 3, pp. 251-280

[5] J.-M. Couveignes; R. Lercier Elliptic periods for finite fields, Finite Fields Appl., Volume 15 (2009) no. 1, pp. 1-22

[6] S. Gao; J. von zur Gathen; D. Panario; V. Shoup Algorithms for exponentiation in finite fields, J. Symb. Comput., Volume 29 (2000) no. 6, pp. 879-889

[7] J. von zur Gathen Efficient and optimal exponentiation in finite fields, Comput. Complex., Volume 1 (1991), pp. 360-394

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