Org.BouncyCastle.Math.EC.F2mCurve.solveQuadradicEquation C# (CSharp) Method

        private ECFieldElement solveQuadradicEquation(ECFieldElement beta)
        {
            if (beta.ToBigInteger().SignValue == 0)
            {
                return FromBigInteger(BigInteger.Zero);
            }

			ECFieldElement z = null;
            ECFieldElement gamma = FromBigInteger(BigInteger.Zero);

			while (gamma.ToBigInteger().SignValue == 0)
            {
                ECFieldElement t = FromBigInteger(new BigInteger(m, new Random()));
				z = FromBigInteger(BigInteger.Zero);

				ECFieldElement w = beta;
                for (int i = 1; i <= m - 1; i++)
                {
					ECFieldElement w2 = w.Square();
                    z = z.Square().Add(w2.Multiply(t));
                    w = w2.Add(beta);
                }
                if (w.ToBigInteger().SignValue != 0)
                {
                    return null;
                }
                gamma = z.Square().Add(z);
            }
            return z;
        }