112 lines
2.4 KiB
C#
112 lines
2.4 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
|
|
#pragma warning disable
|
|
using System;
|
|
|
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms
|
|
{
|
|
/**
|
|
* Produce an object suitable for an Asn1OutputStream.
|
|
* <pre>
|
|
* EnvelopedData ::= SEQUENCE {
|
|
* version CMSVersion,
|
|
* originatorInfo [0] IMPLICIT OriginatorInfo OPTIONAL,
|
|
* recipientInfos RecipientInfos,
|
|
* encryptedContentInfo EncryptedContentInfo,
|
|
* unprotectedAttrs [1] IMPLICIT UnprotectedAttributes OPTIONAL
|
|
* }
|
|
* </pre>
|
|
*/
|
|
public class EnvelopedDataParser
|
|
{
|
|
private Asn1SequenceParser _seq;
|
|
private DerInteger _version;
|
|
private IAsn1Convertible _nextObject;
|
|
private bool _originatorInfoCalled;
|
|
|
|
public EnvelopedDataParser(
|
|
Asn1SequenceParser seq)
|
|
{
|
|
this._seq = seq;
|
|
this._version = (DerInteger)seq.ReadObject();
|
|
}
|
|
|
|
public DerInteger Version
|
|
{
|
|
get { return _version; }
|
|
}
|
|
|
|
public OriginatorInfo GetOriginatorInfo()
|
|
{
|
|
_originatorInfoCalled = true;
|
|
|
|
if (_nextObject == null)
|
|
{
|
|
_nextObject = _seq.ReadObject();
|
|
}
|
|
|
|
if (_nextObject is Asn1TaggedObjectParser && ((Asn1TaggedObjectParser)_nextObject).TagNo == 0)
|
|
{
|
|
Asn1SequenceParser originatorInfo = (Asn1SequenceParser)
|
|
((Asn1TaggedObjectParser)_nextObject).GetObjectParser(Asn1Tags.Sequence, false);
|
|
_nextObject = null;
|
|
return OriginatorInfo.GetInstance(originatorInfo.ToAsn1Object());
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public Asn1SetParser GetRecipientInfos()
|
|
{
|
|
if (!_originatorInfoCalled)
|
|
{
|
|
GetOriginatorInfo();
|
|
}
|
|
|
|
if (_nextObject == null)
|
|
{
|
|
_nextObject = _seq.ReadObject();
|
|
}
|
|
|
|
Asn1SetParser recipientInfos = (Asn1SetParser)_nextObject;
|
|
_nextObject = null;
|
|
return recipientInfos;
|
|
}
|
|
|
|
public EncryptedContentInfoParser GetEncryptedContentInfo()
|
|
{
|
|
if (_nextObject == null)
|
|
{
|
|
_nextObject = _seq.ReadObject();
|
|
}
|
|
|
|
if (_nextObject != null)
|
|
{
|
|
Asn1SequenceParser o = (Asn1SequenceParser) _nextObject;
|
|
_nextObject = null;
|
|
return new EncryptedContentInfoParser(o);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public Asn1SetParser GetUnprotectedAttrs()
|
|
{
|
|
if (_nextObject == null)
|
|
{
|
|
_nextObject = _seq.ReadObject();
|
|
}
|
|
|
|
if (_nextObject != null)
|
|
{
|
|
IAsn1Convertible o = _nextObject;
|
|
_nextObject = null;
|
|
return (Asn1SetParser)((Asn1TaggedObjectParser)o).GetObjectParser(Asn1Tags.Set, false);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
#pragma warning restore
|
|
#endif
|