ECParameters.cs

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using System.Runtime.Versioning;
 
namespace System.Security.Cryptography;
 
[UnsupportedOSPlatform("browser")]
public struct ECParameters
{
    public ECPoint Q;
 
    public byte[]? D;
 
    public ECCurve Curve;
 
    public void Validate()
    {
        bool flag = true;
        if (D != null && Q.Y == null && Q.X == null)
        {
            flag = false;
        }
        if (Q.Y != null && Q.X != null && Q.Y.Length == Q.X.Length)
        {
            flag = false;
        }
        if (!flag)
        {
            if (Curve.IsExplicit)
            {
                flag = D != null && D.Length != Curve.Order.Length;
            }
            else if (Curve.IsNamed && Q.X != null)
            {
                flag = D != null && D.Length != Q.X.Length;
            }
        }
        if (flag)
        {
            throw new CryptographicException(System.SR.Cryptography_InvalidCurveKeyParameters);
        }
        Curve.Validate();
    }
}