WriteSpecifiedECDomain() [2/2]

static void System.Security.Cryptography.EccKeyFormatHelper.WriteSpecifiedECDomain ( ECParameters ecParameters, AsnWriter writer )

inlinestaticprivate

Definition at line 277 of file EccKeyFormatHelper.cs.

    {
        int k3;
        int k2;
        int k;
        int m = (k3 = (k2 = (k = -1)));
        if (ecParameters.Curve.IsCharacteristic2)
        {
            DetermineChar2Parameters(in ecParameters, ref m, ref k3, ref k2, ref k);
        }
        writer.PushSequence();
        writer.WriteInteger(1L);
        writer.PushSequence();
        if (ecParameters.Curve.IsPrime)
        {
            writer.WriteObjectIdentifier("1.2.840.10045.1.1");
            writer.WriteIntegerUnsigned(ecParameters.Curve.Prime);
        }
        else
        {
            writer.WriteObjectIdentifier("1.2.840.10045.1.2");
            writer.PushSequence();
            writer.WriteInteger((long)m, (Asn1Tag?)null);
            if (k > 0)
            {
                writer.WriteObjectIdentifier("1.2.840.10045.1.2.3.3");
                writer.PushSequence();
                writer.WriteInteger((long)k3, (Asn1Tag?)null);
                writer.WriteInteger((long)k2, (Asn1Tag?)null);
                writer.WriteInteger((long)k, (Asn1Tag?)null);
                writer.PopSequence();
            }
            else
            {
                writer.WriteObjectIdentifier("1.2.840.10045.1.2.3.2");
                writer.WriteInteger((long)k3, (Asn1Tag?)null);
            }
            writer.PopSequence();
        }
        writer.PopSequence();
        WriteCurve(in ecParameters.Curve, writer);
        WriteUncompressedBasePoint(in ecParameters, writer);
        writer.WriteIntegerUnsigned(ecParameters.Curve.Order);
        if (ecParameters.Curve.Cofactor != null)
        {
            writer.WriteIntegerUnsigned(ecParameters.Curve.Cofactor);
        }
        writer.PopSequence();
    }

References System.Security.Cryptography.ECCurve.Cofactor, System.Security.Cryptography.ECParameters.Curve, System.Security.Cryptography.EccKeyFormatHelper.DetermineChar2Parameters(), System.Security.Cryptography.ECCurve.IsCharacteristic2, System.Security.Cryptography.ECCurve.IsPrime, System.L, System.Security.Cryptography.ECCurve.Order, System.Security.Cryptography.ECCurve.Prime, System.Security.Cryptography.EccKeyFormatHelper.WriteCurve(), System.writer, and System.Security.Cryptography.EccKeyFormatHelper.WriteUncompressedBasePoint().