From 3ddcb5d10988146345b31df2caee1b6a9755c600 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se> Date: Tue, 14 Oct 2014 21:21:35 +0200 Subject: [PATCH] Note the Edwards curve neutral point. --- misc/ecc-formulas.tex | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/misc/ecc-formulas.tex b/misc/ecc-formulas.tex index 6c61982d..bf06d110 100644 --- a/misc/ecc-formulas.tex +++ b/misc/ecc-formulas.tex @@ -138,7 +138,8 @@ For an Edwards curve, we consider the special case \begin{equation*} x^2 + y^2 = 1 + d x^2 y^2 \end{equation*} -See \url{http://cr.yp.to/papers.html#newelliptic}. +See \url{http://cr.yp.to/papers.html#newelliptic}. The neutral point is +$(0, 1)$. Affine formulas for addition, $(x_3, y_3) = (x_1, y_1) + (x_2, y_2)$: -- GitLab