Example #1
0
        internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out EncryptedDataAsn decoded)
        {
            decoded = default;
            AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
            AsnValueReader collectionReader;


            if (!sequenceReader.TryReadInt32(out decoded.Version))
            {
                sequenceReader.ThrowIfNotEmpty();
            }

            Medikit.Security.Cryptography.Asn1.Pkcs7.EncryptedContentInfoAsn.Decode(ref sequenceReader, rebind, out decoded.EncryptedContentInfo);

            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1)))
            {
                // Decode SEQUENCE OF for UnprotectedAttributes
                {
                    collectionReader = sequenceReader.ReadSetOf(new Asn1Tag(TagClass.ContextSpecific, 1));
                    var tmpList = new List <Medikit.Security.Cryptography.Asn1.AttributeAsn>();
                    Medikit.Security.Cryptography.Asn1.AttributeAsn tmpItem;

                    while (collectionReader.HasData)
                    {
                        Medikit.Security.Cryptography.Asn1.AttributeAsn.Decode(ref collectionReader, rebind, out tmpItem);
                        tmpList.Add(tmpItem);
                    }

                    decoded.UnprotectedAttributes = tmpList.ToArray();
                }
            }


            sequenceReader.ThrowIfNotEmpty();
        }
Example #2
0
 internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out EncryptedDataAsn decoded)
 {
     Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
 }