public void TestIsElementForPointAtInfinity()
{
var curve = new CurveGroupAlgebra(curveParameters);
Assert.IsTrue(curve.IsPotentialElement(CurvePoint.PointAtInfinity), "IsPotentialElement not true for point at infinity!");
Assert.IsFalse(curve.IsSafeElement(CurvePoint.PointAtInfinity), "IsSafeElement not false for point at infinity!");
}
public void TestIsElementForLowOrderCurvePoint()
{
var curve = new CurveGroupAlgebra(curveParameters);
var point = new CurvePoint(10, 0);
Assert.IsTrue(curve.IsPotentialElement(point), "IsPotentialElement not true for low order point!");
Assert.IsFalse(curve.IsSafeElement(point), "IsSafeElement not false for low order point!");
}
public void TestIsElementForPointNotOnCurve(int rawX, int rawY)
{
var curve = new CurveGroupAlgebra(curveParameters);
var point = new CurvePoint(rawX, rawY);
Assert.IsFalse(curve.IsPotentialElement(point), "IsPotentialElement not true for point not on curve!");
Assert.IsFalse(curve.IsSafeElement(point), "IsSafeElement not true for point not on curve!");
}
public void TestIsElementForValidPoint(int rawX, int rawY)
{
var curve = new CurveGroupAlgebra(curveParameters);
var point = new CurvePoint(rawX, rawY);
Assert.IsTrue(curve.IsPotentialElement(point), "IsPotentialElement not true for valid element!");
Assert.IsTrue(curve.IsSafeElement(point), "IsSafeElement not true for valid element!");
}
public void TestIsElementForPointNotOnCurve(int xRaw, int yRaw)
{
var curveAlgebra = new CurveGroupAlgebra(curveParameters);
var point = new CurvePoint(xRaw, yRaw);
Assert.IsFalse(curveAlgebra.IsPotentialElement(point), "IsPotentialElement not true for point not on curve!");
Assert.IsFalse(curveAlgebra.IsSafeElement(point), "IsSafeElement not true for point not on curve!");
}
public void TestIsElementForValidPoint(int xRaw, int yRaw)
{
var curveAlgebra = new CurveGroupAlgebra(curveParameters);
var point = new CurvePoint(xRaw, yRaw);
Assert.IsTrue(curveAlgebra.IsPotentialElement(point), "IsPotentialElement not true for valid element!");
Assert.IsTrue(curveAlgebra.IsSafeElement(point), "IsSafeElement not true for valid element!");
}
public void TestIsElementForPointAtInfinity()
{
var curve = new CurveGroupAlgebra(curveParameters);
curveEquationMock.Setup(eq => eq.Add(It.IsAny <CurvePoint>(), It.IsAny <CurvePoint>())).Returns(CurvePoint.PointAtInfinity);
Assert.IsTrue(curve.IsPotentialElement(CurvePoint.PointAtInfinity), "IsPotentialElement not true for point at infinity!");
Assert.IsFalse(curve.IsSafeElement(CurvePoint.PointAtInfinity), "IsSafeElement not false for point at infinity!");
}
public void TestIsElementForPointNotOnCurve()
{
var curve = new CurveGroupAlgebra(curveParameters);
curveEquationMock.Setup(eq => eq.IsPointOnCurve(It.IsAny <CurvePoint>())).Returns(false);
var point = new CurvePoint(16, 1);
Assert.IsFalse(curve.IsPotentialElement(point), "IsPotentialElement not true for point not on curve!");
Assert.IsFalse(curve.IsSafeElement(point), "IsSafeElement not true for point not on curve!");
}
public void TestIsElementForPointAtInfinityCofactorOne()
{
var parameters = new CurveParameters(
curveParameters.Equation,
curveParameters.Generator,
curveParameters.Order,
BigInteger.One
);
var curve = new CurveGroupAlgebra(parameters);
curveEquationMock.Setup(eq => eq.Add(It.IsAny <CurvePoint>(), It.IsAny <CurvePoint>())).Returns(CurvePoint.PointAtInfinity);
Assert.IsTrue(curve.IsPotentialElement(CurvePoint.PointAtInfinity), "IsPotentialElement not true for point at infinity!");
Assert.IsFalse(curve.IsSafeElement(CurvePoint.PointAtInfinity), "IsSafeElement not false for point at infinity!");
}