Element{rr0, rr1, rr2, rr3, rr4} v.carryPropagate() } func feSquareGeneric(v, a *Element) { l0 := a.l0 l1 := a.l1 l2 := a.l2 l3 := a.l3 l4 := a.l4 // Squaring works precisely like multiplication above, but thanks to its // symmetry we get to group a few terms together. // // l4 l3 l2 l1 l0 x // l4 l3 l2 l1 l0 = // ---------- // l4l0 l3l0 l2l0 l1l0 l0l0 + // l4l1 l3l1 l2l1 l1l1 l0l1 + // l4l2 l3l2 l2l2 l1l2 l0l2 + // l4l3 l3l3 l2l3 l1l3 l0l3 + // l4l4 l3l4 l2l4 l1l4 l0l4 = // ---------- // r8 r7 r6...