public ECFieldElement multiplyPlusProduct(ECFieldElement b, ECFieldElement x, ECFieldElement y) { long[] ax = this.x, bx = ((SecT193FieldElement)b).x; long[] xx = ((SecT193FieldElement)x).x, yx = ((SecT193FieldElement)y).x; long[] tt = Nat256.createExt64(); SecT193Field.multiplyAddToExt(ax, bx, tt); SecT193Field.multiplyAddToExt(xx, yx, tt); long[] z = Nat256.create64(); SecT193Field.reduce(tt, z); return new SecT193FieldElement(z); }
public ECFieldElement squarePlusProduct(ECFieldElement x, ECFieldElement y) { long[] ax = this.x; long[] xx = ((SecT193FieldElement)x).x, yx = ((SecT193FieldElement)y).x; long[] tt = Nat256.createExt64(); SecT193Field.squareAddToExt(ax, tt); SecT193Field.multiplyAddToExt(xx, yx, tt); long[] z = Nat256.create64(); SecT193Field.reduce(tt, z); return new SecT193FieldElement(z); }