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Paper 2017/320

Speeding up Huff Form of Elliptic Curves

Neriman Gamze Orhon and Huseyin Hisil

Abstract

This paper presents faster inversion-free point addition formulas for the curve y*(1+a*x^2)=c*x*(1+d*y^2). The proposed formulas improve the point doubling operation count record from 6M+5S to 8M and mixed-addition operation count record from 10M to 8M. Both sets of formulas are shown to be 4-way parallel, leading to an effective cost of 2M per either of the group operations.

Metadata
Available format(s)
PDF
Publication info
Preprint. MINOR revision.
Keywords
elliptic curves2-isogenyefficientscalar multiplicationHuff curvesinversion-free point additionparallel computation
Contact author(s)
gamzeorhon @ gmail com
History
2017-04-19: revised
2017-04-14: received
See all versions
Short URL
https://ia.cr/2017/320
License
Creative Commons Attribution
CC BY
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