private static EllipticCurvePoint getPoint(BigInteger u1, BigInteger u2, EllipticCurvePoint publicKey, EllipticCurve theCurve)
{
EllipticCurvePoint GDependentPoint = PointMultiplication.multiplyPoint(u1, theCurve.G, theCurve);
EllipticCurvePoint PublicKeyDependentPoint = PointMultiplication.multiplyPoint(u2, publicKey, theCurve);
return(PointAddition.addPoints(theCurve, GDependentPoint, PublicKeyDependentPoint));
}
public static EllipticCurvePoint calculateMasterKey(BigInteger prk, EllipticCurvePoint theirPublicKey, EllipticCurve curve)
{
return(PointAddition.addPoints(curve, theirPublicKey, PointMultiplication.multiplyPoint(prk, curve.G, curve)));
}
public static EllipticCurvePoint calculatePublicKey(BigInteger prk, EllipticCurve curve)
{
return(PointMultiplication.multiplyPoint(prk, curve.G, curve));
}
//step 4
private static EllipticCurvePoint computePoint(BigInteger k, EllipticCurve theCurve)
{
return(PointMultiplication.multiplyPoint(k, theCurve.G, theCurve));
}
