private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out AttributeAsn decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
AsnValueReader collectionReader;
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
decoded.AttrType = sequenceReader.ReadObjectIdentifier();
// Decode SEQUENCE OF for AttrValues
{
collectionReader = sequenceReader.ReadSetOf();
var tmpList = new List <ReadOnlyMemory <byte> >();
ReadOnlyMemory <byte> tmpItem;
while (collectionReader.HasData)
{
tmpSpan = collectionReader.ReadEncodedValue();
tmpItem = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
tmpList.Add(tmpItem);
}
decoded.AttrValues = tmpList.ToArray();
}
sequenceReader.ThrowIfNotEmpty();
}
internal 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(s_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();
}
public Oid ReadObjectIdentifier(Asn1Tag expectedTag)
{
AsnValueReader valueReader = OpenValueReader();
Oid oid = valueReader.ReadObjectIdentifier(expectedTag);
valueReader.MatchSlice(ref _data);
return oid;
}
private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out FieldID decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
decoded.FieldType = sequenceReader.ReadObjectIdentifier();
tmpSpan = sequenceReader.ReadEncodedValue();
decoded.Parameters = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
sequenceReader.ThrowIfNotEmpty();
}
private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out SpecifiedECDomain decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
if (!sequenceReader.TryReadInt32(out decoded.Version))
{
sequenceReader.ThrowIfNotEmpty();
}
System.Security.Cryptography.Asn1.FieldID.Decode(ref sequenceReader, rebind, out decoded.FieldID);
System.Security.Cryptography.Asn1.CurveAsn.Decode(ref sequenceReader, rebind, out decoded.Curve);
if (sequenceReader.TryReadPrimitiveOctetString(out tmpSpan))
{
decoded.Base = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else
{
decoded.Base = sequenceReader.ReadOctetString();
}
tmpSpan = sequenceReader.ReadIntegerBytes();
decoded.Order = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer))
{
tmpSpan = sequenceReader.ReadIntegerBytes();
decoded.Cofactor = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.ObjectIdentifier))
{
decoded.Hash = sequenceReader.ReadObjectIdentifier();
}
sequenceReader.ThrowIfNotEmpty();
}
private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out OtherNameAsn decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
AsnValueReader explicitReader;
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
decoded.TypeId = sequenceReader.ReadObjectIdentifier();
explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0));
tmpSpan = explicitReader.ReadEncodedValue();
decoded.Value = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
explicitReader.ThrowIfNotEmpty();
sequenceReader.ThrowIfNotEmpty();
}
internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out AlgorithmIdentifierAsn decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
decoded.Algorithm = sequenceReader.ReadObjectIdentifier();
if (sequenceReader.HasData)
{
tmpSpan = sequenceReader.ReadEncodedValue();
decoded.Parameters = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
sequenceReader.ThrowIfNotEmpty();
}
private static void DecodeCore(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out ECDomainParameters decoded)
{
decoded = default;
Asn1Tag tag = reader.PeekTag();
if (tag.HasSameClassAndValue(Asn1Tag.Sequence))
{
System.Security.Cryptography.Asn1.SpecifiedECDomain tmpSpecified;
System.Security.Cryptography.Asn1.SpecifiedECDomain.Decode(ref reader, rebind, out tmpSpecified);
decoded.Specified = tmpSpecified;
}
else if (tag.HasSameClassAndValue(Asn1Tag.ObjectIdentifier))
{
decoded.Named = reader.ReadObjectIdentifier();
}
else
{
throw new CryptographicException();
}
}
private static void DecodeCore(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out GeneralNameAsn decoded)
{
decoded = default;
Asn1Tag tag = reader.PeekTag();
AsnValueReader explicitReader;
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0)))
{
System.Security.Cryptography.Asn1.OtherNameAsn tmpOtherName;
System.Security.Cryptography.Asn1.OtherNameAsn.Decode(ref reader, new Asn1Tag(TagClass.ContextSpecific, 0), rebind, out tmpOtherName);
decoded.OtherName = tmpOtherName;
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1)))
{
decoded.Rfc822Name = reader.ReadCharacterString(UniversalTagNumber.IA5String, new Asn1Tag(TagClass.ContextSpecific, 1));
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 2)))
{
decoded.DnsName = reader.ReadCharacterString(UniversalTagNumber.IA5String, new Asn1Tag(TagClass.ContextSpecific, 2));
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 3)))
{
tmpSpan = reader.ReadEncodedValue();
decoded.X400Address = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 4)))
{
explicitReader = reader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 4));
tmpSpan = explicitReader.ReadEncodedValue();
decoded.DirectoryName = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
explicitReader.ThrowIfNotEmpty();
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 5)))
{
System.Security.Cryptography.Asn1.EdiPartyNameAsn tmpEdiPartyName;
System.Security.Cryptography.Asn1.EdiPartyNameAsn.Decode(ref reader, new Asn1Tag(TagClass.ContextSpecific, 5), rebind, out tmpEdiPartyName);
decoded.EdiPartyName = tmpEdiPartyName;
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 6)))
{
decoded.Uri = reader.ReadCharacterString(UniversalTagNumber.IA5String, new Asn1Tag(TagClass.ContextSpecific, 6));
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 7)))
{
if (reader.TryReadPrimitiveOctetString(out tmpSpan, new Asn1Tag(TagClass.ContextSpecific, 7)))
{
decoded.IPAddress = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else
{
decoded.IPAddress = reader.ReadOctetString(new Asn1Tag(TagClass.ContextSpecific, 7));
}
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 8)))
{
decoded.RegisteredId = reader.ReadObjectIdentifier(new Asn1Tag(TagClass.ContextSpecific, 8));
}
else
{
throw new CryptographicException();
}
}