internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out RecipientEncryptedKeyAsn decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
KeyAgreeRecipientIdentifierAsn.Decode(ref sequenceReader, rebind, out decoded.Rid);
if (sequenceReader.TryReadPrimitiveOctetStringBytes(out tmpSpan))
{
decoded.EncryptedKey = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else
{
decoded.EncryptedKey = sequenceReader.ReadOctetString();
}
sequenceReader.ThrowIfNotEmpty();
}
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out KeyAgreeRecipientIdentifierAsn decoded)
{
decoded = default;
Asn1Tag tag = reader.PeekTag();
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)))
{
RecipientKeyIdentifier tmpRKeyId;
RecipientKeyIdentifier.Decode(ref reader, new Asn1Tag(TagClass.ContextSpecific, 0), rebind, out tmpRKeyId);
decoded.RKeyId = tmpRKeyId;
}
else
{
throw new CryptographicException();
}
}
