internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out SpecifiedECDomain decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
if (!sequenceReader.TryReadUInt8(out decoded.Version))
{
sequenceReader.ThrowIfNotEmpty();
}
Medikit.Security.Cryptography.Asn1.FieldID.Decode(ref sequenceReader, rebind, out decoded.FieldID);
Medikit.Security.Cryptography.Asn1.CurveAsn.Decode(ref sequenceReader, rebind, out decoded.Curve);
if (sequenceReader.TryReadPrimitiveOctetStringBytes(out tmpSpan))
{
decoded.Base = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else
{
decoded.Base = sequenceReader.ReadOctetString();
}
tmpSpan = sequenceReader.ReadIntegerBytes();
decoded.Order = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer))
{
tmpSpan = sequenceReader.ReadIntegerBytes();
decoded.Cofactor = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.ObjectIdentifier))
{
decoded.Hash = sequenceReader.ReadObjectIdentifier();
}
sequenceReader.ThrowIfNotEmpty();
}
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out SpecifiedECDomain decoded)
{
Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
}
