public void GenerateCurveAndPointCheck()
{
ElipticCurve curve = new ElipticCurve(64);
curve.GenerateRandomCurve();
Point p1 = curve.GenerateRandomPointOnCurve();
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(p1));
Point p2 = curve.GenerateRandomPointOnCurve();
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(p1));
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(p1 + p1));
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(p1 + p2));
}
public void ScalarMultiplicationTests()
{
ElipticCurve curve = new ElipticCurve(64);
curve.GenerateRandomCurve();
Point randomPoint = curve.GenerateRandomPointOnCurve();
Point testPoint = curve.ScalarMultiplication(randomPoint, 1);
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(testPoint));
testPoint = curve.ScalarMultiplication(randomPoint, 5);
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(testPoint));
testPoint = curve.ScalarMultiplication(randomPoint, 100);
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(testPoint));
testPoint = curve.ScalarMultiplication(randomPoint, BigInteger.Parse("999999999999999999999999999999999999999999999999999999999999"));
Assert.IsTrue(curve.CheckIfPointBelongsToCurve(testPoint));
}
public void CheckIfStaticPointsBelongsToCurve()
{
BigInteger a = 6;
BigInteger p = 11;
ElipticCurve curve = new ElipticCurve(a, 4, p);
Point p1 = new Point(7, 9, a, p);
Point p2 = new Point(3, 4, a, p);
bool result = curve.CheckIfPointBelongsToCurve(p1);
Assert.IsTrue(result);
result = curve.CheckIfPointBelongsToCurve(p2);
Assert.IsTrue(result);
result = curve.CheckIfPointBelongsToCurve(p1 + p1);
Assert.IsTrue(result);
result = curve.CheckIfPointBelongsToCurve(p1 + p2);
Assert.IsTrue(result);
result = curve.CheckIfPointBelongsToCurve(Point.NeutralElement(a, p));
Assert.IsTrue(result);
}