//public static int SolveWithoutFiniteField(int[] coefficients, int x)
//{
// int y = 0;
// for (int i = 0; i < coefficients.Length; i++)
// {
// y += coefficients[i] * Convert.ToInt32(Math.Pow(x, coefficients.Length - i - 1));
// }
// return y;
//}
public static uint[,] GetRandomPoints(ushort[] coefficients, int count)
{
var pointsArr = new uint[count, 2];
var point = new uint[2];
for (int i = 0; i < count; i++)
{
pointsArr[i, 0] = PolynomGenerator.GetRandomX(PolynomGenerator.lowerXBound, PolynomGenerator.upperXBound);
pointsArr[i, 1] = SolveWithFiniteField(coefficients, pointsArr[i, 0]);
for (int j = 0; j < i; j++)
{
// ensure random point
if (pointsArr[i, 0] == pointsArr[j, 0])
{
i--;
}
}
}
return(pointsArr);
}
public static string[] SplitKey(ushort[] key, int players, int required)
{
int keyLengthInBits = key.Length * 16;
int polynomsCount = key.Length;
var polynoms = PolynomGenerator.GeneratePolynomsMatrix(key, polynomsCount, required - 1);
//Console.WriteLine("Generated matrix:");
//for (int i = 0; i < polynoms.GetLength(0); i++)
//{
// for (int j = 0; j < polynoms.GetLength(1); j++)
// {
// Console.Write("{0} ", polynoms[i, j]);
// }
// Console.WriteLine();
//}
var playerPoints = new uint[players, polynomsCount, 2];
var currentPolynomPoints = new uint[players, 2];
var currentPolynom = new ushort[required];
for (int i = 0; i < polynomsCount; i++)
{
currentPolynom = polynoms.GetRow(i);
currentPolynomPoints = PolynomSolver.GetRandomPoints(currentPolynom, players);
for (int j = 0; j < players; j++)
{
playerPoints[j, i, 0] = currentPolynomPoints[j, 0];
playerPoints[j, i, 1] = currentPolynomPoints[j, 1];
}
}
//for (int i = 0; i < playerPoints.GetLength(0); i++)
//{
// for (int j = 0; j < playerPoints.GetLength(1); j++)
// {
// Console.Write("({0}, {1}) ", playerPoints[i, j, 0], playerPoints[i, j, 1]);
// }
// Console.WriteLine();
//}
var geneneratedHexes = new string[players];
var currentPlayerPoints = new uint[polynomsCount * 2];
var counter = 0;
for (int i = 0; i < playerPoints.GetLength(0); i++)
{
for (int j = 0; j < playerPoints.GetLength(1); j++)
{
currentPlayerPoints[counter] = playerPoints[i, j, 0];
counter++;
currentPlayerPoints[counter] = playerPoints[i, j, 1];
counter++;
}
counter = 0;
geneneratedHexes[i] = HexConverter.NumbersArrToHexString(currentPlayerPoints, '-');
//Console.WriteLine(geneneratedHexes[i]);
//Console.WriteLine();
}
return(geneneratedHexes);
}
