C# (CSharp) NBitcoin.BouncyCastle.Math.EC ECCurve.FromBigIntegerの例

FromBigInteger() public abstract method

public abstract FromBigInteger ( BigInteger x ) : ECFieldElement
x	BigInteger
return	ECFieldElement

コード例 #1

ファイル: ECPoint.cs プロジェクト: woutersmit/NBitcoin

        protected static ECFieldElement[] GetInitialZCoords(ECCurve curve)
        {
            // Cope with null curve, most commonly used by implicitlyCa
            int coord = null == curve ? ECCurve.COORD_AFFINE : curve.CoordinateSystem;

            switch (coord)
            {
                case ECCurve.COORD_AFFINE:
                case ECCurve.COORD_LAMBDA_AFFINE:
                    return EMPTY_ZS;
                default:
                    break;
            }

            ECFieldElement one = curve.FromBigInteger(BigInteger.One);

            switch (coord)
            {
                case ECCurve.COORD_HOMOGENEOUS:
                case ECCurve.COORD_JACOBIAN:
                case ECCurve.COORD_LAMBDA_PROJECTIVE:
                    return new ECFieldElement[] { one };
                case ECCurve.COORD_JACOBIAN_CHUDNOVSKY:
                    return new ECFieldElement[] { one, one, one };
                case ECCurve.COORD_JACOBIAN_MODIFIED:
                    return new ECFieldElement[] { one, curve.A };
                default:
                    throw new ArgumentException("unknown coordinate system");
            }
        }