Guide to Elliptic Curve Cryptography Darrel Hankerson, Alfred Menezes, and Scott Vanstone |
The Guide was published in 2004. This page collects selected updates, but is clearly only a sampling of relevant material released since publication.
T = Z0*Z1
Z0 = Z0*x + X0
Z1 = Z1*x
X0 = X0*Z1
Z1 = (Z1 + X1)*Z0
Z0 = (x2 + y)*T + Z1
T = (T*x)-1
Z0 = Z0*T
X0 = X0*T
return (X0, y + (X0 + x)*Z0)