ref: 344c982fdb4eb3af3561d9a00ccc35a9af4f2a5e
dir: /sys/src/libauthsrv/ed448.mp/
# Edwards Curve Ed448-Goldilocks # x^2+y^2 = 1-39081x^2y^2 ed448_curve(p,a,d,x,y) { p = 2^448 - 2^224 - 1; a = 1; d = -39081; x = 117812161263436946737282484343310064665180535357016373416879082147939404277809514858788439644911793978499419995990477371552926308078495; y = 19; }