shithub: riscv

Download patch

ref: 59ef622240a6f5ca029327a5ee439302cb53493f
parent: f43a5c825cdb437d85d948ab6c40173c821516a5
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Mon Feb 22 17:56:55 EST 2016

libauthsrv: can write p = 2^448 - 2^224 - 1 now, as mpc has constant folding.

--- a/sys/src/libauthsrv/ed448.mp
+++ b/sys/src/libauthsrv/ed448.mp
@@ -1,9 +1,8 @@
 # Edwards Curve Ed448-Goldilocks
 
 # x^2+y^2 = 1-39081x^2y^2
-# modulo p = 2^448 - 2^224 - 1
 ed448_curve(p,a,d,x,y) {
-	p = (1<<448) - (1<<224) - 1;
+	p = 2^448 - 2^224 - 1;
 	a = 1;
 	d = -39081;
 	x = 117812161263436946737282484343310064665180535357016373416879082147939404277809514858788439644911793978499419995990477371552926308078495;