protected override ECPoint MultiplyPositive(ECPoint p, BigInteger k)
{
ECCurve curve = p.Curve;
ECCurve eCCurve = ConfigureCurve(curve, additionCoord);
ECCurve eCCurve2 = ConfigureCurve(curve, doublingCoord);
int[] array = WNafUtilities.GenerateCompactNaf(k);
ECPoint eCPoint = eCCurve.Infinity;
ECPoint eCPoint2 = eCCurve2.ImportPoint(p);
int num = 0;
foreach (int num2 in array)
{
int num3 = num2 >> 16;
num += (num2 & 0xFFFF);
eCPoint2 = eCPoint2.TimesPow2(num);
ECPoint eCPoint3 = eCCurve.ImportPoint(eCPoint2);
if (num3 < 0)
{
eCPoint3 = eCPoint3.Negate();
}
eCPoint = eCPoint.Add(eCPoint3);
num = 1;
}
return(curve.ImportPoint(eCPoint));
}
protected override ECPoint MultiplyPositive(ECPoint p, BigInteger k)
{
int[] array = WNafUtilities.GenerateCompactNaf(k);
ECPoint eCPoint = p.Curve.Infinity;
ECPoint eCPoint2 = p;
int num = 0;
foreach (int num2 in array)
{
int num3 = num2 >> 16;
num += (num2 & 0xFFFF);
eCPoint2 = eCPoint2.TimesPow2(num);
eCPoint = eCPoint.Add((num3 < 0) ? eCPoint2.Negate() : eCPoint2);
num = 1;
}
return(eCPoint);
}
protected override ECPoint MultiplyPositive(ECPoint p, BigInteger k)
{
int[] array = WNafUtilities.GenerateCompactNaf(k);
ECPoint eCPoint = p.Normalize();
ECPoint eCPoint2 = eCPoint.Negate();
ECPoint eCPoint3 = p.Curve.Infinity;
int num = array.Length;
while (--num >= 0)
{
int num2 = array[num];
int num3 = num2 >> 16;
int e = num2 & 0xFFFF;
eCPoint3 = eCPoint3.TwicePlus((num3 < 0) ? eCPoint2 : eCPoint);
eCPoint3 = eCPoint3.TimesPow2(e);
}
return(eCPoint3);
}
protected override ECPoint MultiplyPositive(ECPoint p, BigInteger k)
{
int[] naf = WNafUtilities.GenerateCompactNaf(k);
ECPoint addP = p.Normalize(), subP = addP.Negate();
ECPoint R = p.Curve.Infinity;
int i = naf.Length;
while (--i >= 0)
{
int ni = naf[i];
int digit = ni >> 16, zeroes = ni & 0xFFFF;
R = R.TwicePlus(digit < 0 ? subP : addP);
R = R.TimesPow2(zeroes);
}
return(R);
}
protected override ECPoint MultiplyPositive(ECPoint p, BigInteger k)
{
int[] naf = WNafUtilities.GenerateCompactNaf(k);
ECPoint R0 = p.Curve.Infinity, R1 = p;
int zeroes = 0;
for (int i = 0; i < naf.Length; ++i)
{
int ni = naf[i];
int digit = ni >> 16;
zeroes += ni & 0xFFFF;
R1 = R1.TimesPow2(zeroes);
R0 = R0.Add(digit < 0 ? R1.Negate() : R1);
zeroes = 1;
}
return(R0);
}