internal static ECPoint ImplSumOfMultipliesGlv(ECPoint[] ps, BigInteger[] ks, GlvEndomorphism glvEndomorphism)
{
BigInteger order = ps[0].Curve.Order;
int num = ps.Length;
BigInteger[] array = new BigInteger[num << 1];
int i = 0;
int num2 = 0;
for (; i < num; i++)
{
BigInteger[] array2 = glvEndomorphism.DecomposeScalar(ks[i].Mod(order));
array[num2++] = array2[0];
array[num2++] = array2[1];
}
ECPointMap pointMap = glvEndomorphism.PointMap;
if (glvEndomorphism.HasEfficientPointMap)
{
return(ImplSumOfMultiplies(ps, pointMap, array));
}
ECPoint[] array3 = new ECPoint[num << 1];
int j = 0;
int num5 = 0;
for (; j < num; j++)
{
ECPoint eCPoint = ps[j];
ECPoint eCPoint2 = pointMap.Map(eCPoint);
array3[num5++] = eCPoint;
array3[num5++] = eCPoint2;
}
return(ImplSumOfMultiplies(array3, array));
}
internal static ECPoint ImplSumOfMultipliesGlv(ECPoint[] ps, BigInteger[] ks, GlvEndomorphism glvEndomorphism)
{
BigInteger n = ps[0].Curve.Order;
int len = ps.Length;
BigInteger[] abs = new BigInteger[len << 1];
for (int i = 0, j = 0; i < len; ++i)
{
BigInteger[] ab = glvEndomorphism.DecomposeScalar(ks[i].Mod(n));
abs[j++] = ab[0];
abs[j++] = ab[1];
}
ECPointMap pointMap = glvEndomorphism.PointMap;
if (glvEndomorphism.HasEfficientPointMap)
{
return(ECAlgorithms.ImplSumOfMultiplies(ps, pointMap, abs));
}
ECPoint[] pqs = new ECPoint[len << 1];
for (int i = 0, j = 0; i < len; ++i)
{
ECPoint p = ps[i], q = pointMap.Map(p);
pqs[j++] = p;
pqs[j++] = q;
}
return(ECAlgorithms.ImplSumOfMultiplies(pqs, abs));
}
internal static ECPoint ImplSumOfMultipliesGlv(ECPoint[] ps, BigInteger[] ks, GlvEndomorphism glvEndomorphism)
{
BigInteger n = ps[0].Curve.Order;
int len = ps.Length;
BigInteger[] abs = new BigInteger[len << 1];
for (int i = 0, j = 0; i < len; ++i)
{
BigInteger[] ab = glvEndomorphism.DecomposeScalar(ks[i].Mod(n));
abs[j++] = ab[0];
abs[j++] = ab[1];
}
if (glvEndomorphism.HasEfficientPointMap)
{
return(ImplSumOfMultiplies(glvEndomorphism, ps, abs));
}
ECPoint[] pqs = new ECPoint[len << 1];
for (int i = 0, j = 0; i < len; ++i)
{
ECPoint p = ps[i];
ECPoint q = EndoUtilities.MapPoint(glvEndomorphism, p);
pqs[j++] = p;
pqs[j++] = q;
}
return(ImplSumOfMultiplies(pqs, abs));
}
protected override ECPoint MultiplyPositive(ECPoint p, BigInteger k)
{
if (!curve.Equals(p.Curve))
{
throw new InvalidOperationException();
}
BigInteger order = p.Curve.Order;
BigInteger[] array = glvEndomorphism.DecomposeScalar(k.Mod(order));
BigInteger k2 = array[0];
BigInteger l = array[1];
ECPointMap pointMap = glvEndomorphism.PointMap;
if (glvEndomorphism.HasEfficientPointMap)
{
return(ECAlgorithms.ImplShamirsTrickWNaf(p, k2, pointMap, l));
}
return(ECAlgorithms.ImplShamirsTrickWNaf(p, k2, pointMap.Map(p), l));
}
protected override ECPoint MultiplyPositive(ECPoint p, BigInteger k)
{
if (!curve.Equals(p.Curve))
{
throw new InvalidOperationException();
}
BigInteger n = p.Curve.Order;
BigInteger[] ab = glvEndomorphism.DecomposeScalar(k.Mod(n));
BigInteger a = ab[0], b = ab[1];
if (glvEndomorphism.HasEfficientPointMap)
{
return(ECAlgorithms.ImplShamirsTrickWNaf(glvEndomorphism, p, a, b));
}
ECPoint q = EndoUtilities.MapPoint(glvEndomorphism, p);
return(ECAlgorithms.ImplShamirsTrickWNaf(p, a, q, b));
}
internal static ECPoint ImplSumOfMultipliesGlv(ECPoint[] ps, BigInteger[] ks, GlvEndomorphism glvEndomorphism)
{
BigInteger order = ps[0].Curve.Order;
int length = ps.Length;
BigInteger[] integerArray = new BigInteger[length << 1];
int index = 0;
int num3 = 0;
while (index < length)
{
BigInteger[] integerArray2 = glvEndomorphism.DecomposeScalar(ks[index].Mod(order));
integerArray[num3++] = integerArray2[0];
integerArray[num3++] = integerArray2[1];
index++;
}
ECPointMap pointMap = glvEndomorphism.PointMap;
if (glvEndomorphism.HasEfficientPointMap)
{
return(ImplSumOfMultiplies(ps, pointMap, integerArray));
}
ECPoint[] pointArray = new ECPoint[length << 1];
int num4 = 0;
int num5 = 0;
while (num4 < length)
{
ECPoint p = ps[num4];
ECPoint point2 = pointMap.Map(p);
pointArray[num5++] = p;
pointArray[num5++] = point2;
num4++;
}
return(ImplSumOfMultiplies(pointArray, integerArray));
}
internal static ECPoint ImplSumOfMultipliesGlv(ECPoint[] ps, BigInteger[] ks, GlvEndomorphism glvEndomorphism)
{
BigInteger n = ps[0].Curve.Order;
int len = ps.Length;
BigInteger[] abs = new BigInteger[len << 1];
for (int i = 0, j = 0; i < len; ++i)
{
BigInteger[] ab = glvEndomorphism.DecomposeScalar(ks[i].Mod(n));
abs[j++] = ab[0];
abs[j++] = ab[1];
}
ECPointMap pointMap = glvEndomorphism.PointMap;
if (glvEndomorphism.HasEfficientPointMap)
{
return ECAlgorithms.ImplSumOfMultiplies(ps, pointMap, abs);
}
ECPoint[] pqs = new ECPoint[len << 1];
for (int i = 0, j = 0; i < len; ++i)
{
ECPoint p = ps[i], q = pointMap.Map(p);
pqs[j++] = p;
pqs[j++] = q;
}
return ECAlgorithms.ImplSumOfMultiplies(pqs, abs);
}
