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Secure elliptic curves and their performance

Edwards curves
elliptic curve cryptography
java
Montgomery curves
point arithmetic
Weierstrass curves
V. Gayoso Martínez, L. Hernández Encinas, A. Martín Muñoz, R. Durán Díaz
Logic Journal of the IGPL, jzy035, 17 September 2018
http://dx.doi.org/10.1093/jigpal/jzy035

Elliptic Curve Cryptography (ECC) is a branch of public-key cryptography based on the arithmetic of elliptic curves. In the short life of ECC, most standards have proposed curves defined over prime finite fields satisfying the curve equation in the short Weierstrass form. However, some researchers have started to propose as a securer alternative the use of Edwards and Montgomery elliptic curves, which could have an impact in current ECC deployments. This contribution evaluates the performance of the three types of elliptic curves using some of the examples provided by the initiative SafeCurves and a Java implementation developed by the authors, which allows us to offer some conclusions about this topic.

Acknowledgment

This work has been partially supported by Ministerio de Economíıa, Industria y Competitividad (MINECO), Agencia Estatal de Investigación (AEI), and Fondo Europeo de Desarrollo Regional (FEDER, UE) under project COPCIS, reference TIN2017-84844-C2-1-R, and by Comunidad de Madrid (Spain) under project CIBERDINE, reference S2013/ICE-3095-CM, also co-financed by European Union FEDER funds.

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