コード例 #1
0
        static X509ExtensionAsn()
        {
            X509ExtensionAsn decoded = default;
            AsnValueReader reader;

            reader = new AsnValueReader(DefaultCritical, AsnEncodingRules.DER);
            decoded.Critical = reader.ReadBoolean();
            reader.ThrowIfNotEmpty();
        }
コード例 #2
0
        public static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory<byte> rebind, out X509ExtensionAsn decoded)
        {
            decoded = default;
            AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
            AsnValueReader defaultReader;
            ReadOnlySpan<byte> rebindSpan = rebind.Span;
            int offset;
            ReadOnlySpan<byte> tmpSpan;

            decoded.ExtnId = sequenceReader.ReadObjectIdentifier();

            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Boolean))
            {
                decoded.Critical = sequenceReader.ReadBoolean();
            }
            else
            {
                defaultReader = new AsnValueReader(DefaultCritical, AsnEncodingRules.DER);
                decoded.Critical = defaultReader.ReadBoolean();
            }


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


            sequenceReader.ThrowIfNotEmpty();
        }
コード例 #3
0
 public static void Decode(ref AsnValueReader reader, ReadOnlyMemory<byte> rebind, out X509ExtensionAsn decoded)
 {
     Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
 }