ECFieldElement z = solveQuadraticEquation(curve, beta); if (z != null)
ECFieldElement z = solveQuadraticEquation(curve, beta); if (z != null)
ECFieldElement z = solveQuadraticEquation(curve, beta); if (z != null)
ECFieldElement z = solveQuadraticEquation(curve, beta); if (z != null)