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Twisted Edwards Curves

机译:扭曲的爱德华兹曲线

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摘要

This paper introduces "twisted Edwards curves," a generalization of the recently introduced Edwards curves; shows that twisted Edwards curves include more curves over finite fields, and in particular every elliptic curve in Montgomery form; shows how to cover even more curves via isogenies; presents fast explicit formulas for twisted Edwards curves in projective and inverted coordinates; and shows that twisted Edwards curves save time for many curves that were already expressible as Edwards curves.
机译:本文介绍了“扭曲的爱德华兹曲线”,它是最近引入的爱德华兹曲线的概括。表明扭曲的爱德华兹曲线包括有限域上的更多曲线,尤其是蒙哥马利形式的每个椭圆曲线;展示了如何通过等轴线覆盖更多曲线;给出了投影和倒转坐标系中扭曲的爱德华兹曲线的快速显式公式;并显示了扭曲的Edwards曲线可节省许多已经可以表示为Edwards曲线的曲线的时间。

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