Пример #1
0
        internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out RecipientKeyIdentifier decoded)
        {
            decoded = default;
            AsnValueReader      sequenceReader = reader.ReadSequence(expectedTag);
            ReadOnlySpan <byte> rebindSpan     = rebind.Span;
            int offset;
            ReadOnlySpan <byte> tmpSpan;


            if (sequenceReader.TryReadPrimitiveOctetStringBytes(out tmpSpan))
            {
                decoded.SubjectKeyIdentifier = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
            }
            else
            {
                decoded.SubjectKeyIdentifier = sequenceReader.ReadOctetString();
            }


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.GeneralizedTime))
            {
                decoded.Date = sequenceReader.ReadGeneralizedTime();
            }


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence))
            {
                OtherKeyAttributeAsn tmpOther;
                OtherKeyAttributeAsn.Decode(ref sequenceReader, rebind, out tmpOther);
                decoded.Other = tmpOther;
            }


            sequenceReader.ThrowIfNotEmpty();
        }