示例#1
0
        internal static void Decode(AsnReader reader, out SafeBagAsn decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            Decode(reader, Asn1Tag.Sequence, out decoded);
        }
示例#2
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out SafeBagAsn decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = default;
            AsnReader sequenceReader = reader.ReadSequence(expectedTag);
            AsnReader explicitReader;
            AsnReader collectionReader;

            decoded.BagId = sequenceReader.ReadObjectIdentifierAsString();

            explicitReader   = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0));
            decoded.BagValue = explicitReader.ReadEncodedValue();
            explicitReader.ThrowIfNotEmpty();


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.SetOf))
            {
                // Decode SEQUENCE OF for BagAttributes
                {
                    collectionReader = sequenceReader.ReadSetOf();
                    var tmpList = new List <System.Security.Cryptography.Asn1.AttributeAsn>();
                    System.Security.Cryptography.Asn1.AttributeAsn tmpItem;

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

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


            sequenceReader.ThrowIfNotEmpty();
        }
示例#3
0
        internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out SafeBagAsn decoded)
        {
            decoded = default;
            AsnValueReader      sequenceReader = reader.ReadSequence(expectedTag);
            AsnValueReader      explicitReader;
            AsnValueReader      collectionReader;
            ReadOnlySpan <byte> rebindSpan = rebind.Span;
            int offset;
            ReadOnlySpan <byte> tmpSpan;

            decoded.BagId = sequenceReader.ReadObjectIdentifierAsString();

            explicitReader   = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0));
            tmpSpan          = explicitReader.ReadEncodedValue();
            decoded.BagValue = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
            explicitReader.ThrowIfNotEmpty();


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.SetOf))
            {
                // Decode SEQUENCE OF for BagAttributes
                {
                    collectionReader = sequenceReader.ReadSetOf();
                    var tmpList = new List <System.Security.Cryptography.Asn1.AttributeAsn>();
                    System.Security.Cryptography.Asn1.AttributeAsn tmpItem;

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

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


            sequenceReader.ThrowIfNotEmpty();
        }
示例#4
0
 internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out SafeBagAsn decoded)
 {
     Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
 }
示例#5
0
 internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out SafeBagAsn decoded)
 {
     try
     {
         DecodeCore(ref reader, expectedTag, rebind, out decoded);
     }
     catch (AsnContentException e)
     {
         throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding, e);
     }
 }