internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out OriginatorIdentifierOrKeyAsn decoded)
{
decoded = default;
Asn1Tag tag = reader.PeekTag();
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
if (tag.HasSameClassAndValue(Asn1Tag.Sequence))
{
IssuerAndSerialNumberAsn tmpIssuerAndSerialNumber;
IssuerAndSerialNumberAsn.Decode(ref reader, rebind, out tmpIssuerAndSerialNumber);
decoded.IssuerAndSerialNumber = tmpIssuerAndSerialNumber;
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0)))
{
if (reader.TryReadPrimitiveOctetStringBytes(new Asn1Tag(TagClass.ContextSpecific, 0), out tmpSpan))
{
decoded.SubjectKeyIdentifier = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else
{
decoded.SubjectKeyIdentifier = reader.ReadOctetString(new Asn1Tag(TagClass.ContextSpecific, 0));
}
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1)))
{
OriginatorPublicKeyAsn tmpOriginatorKey;
OriginatorPublicKeyAsn.Decode(ref reader, new Asn1Tag(TagClass.ContextSpecific, 1), rebind, out tmpOriginatorKey);
decoded.OriginatorKey = tmpOriginatorKey;
}
else
{
throw new CryptographicException();
}
}
internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out OriginatorPublicKeyAsn decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
AlgorithmIdentifierAsn.Decode(ref sequenceReader, rebind, out decoded.Algorithm);
if (sequenceReader.TryReadPrimitiveBitStringValue(out _, out tmpSpan))
{
decoded.PublicKey = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else
{
decoded.PublicKey = sequenceReader.ReadBitString(out _);
}
sequenceReader.ThrowIfNotEmpty();
}
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out OriginatorPublicKeyAsn decoded)
{
Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
}
