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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Tsp
{
public class TstInfo
: Asn1Encodable
{
public static TstInfo GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is TstInfo tstInfo)
return tstInfo;
return new TstInfo(Asn1Sequence.GetInstance(obj));
}
public static TstInfo GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new TstInfo(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
private readonly DerInteger m_version;
private readonly DerObjectIdentifier m_tsaPolicyID;
private readonly MessageImprint m_messageImprint;
private readonly DerInteger m_serialNumber;
private readonly Asn1GeneralizedTime m_genTime;
private readonly Accuracy m_accuracy;
private readonly DerBoolean m_ordering;
private readonly DerInteger m_nonce;
private readonly GeneralName m_tsa;
private readonly X509Extensions m_extensions;
private TstInfo(Asn1Sequence seq)
{
var e = seq.GetEnumerator();
// version
e.MoveNext();
m_version = DerInteger.GetInstance(e.Current);
// tsaPolicy
e.MoveNext();
m_tsaPolicyID = DerObjectIdentifier.GetInstance(e.Current);
// messageImprint
e.MoveNext();
m_messageImprint = MessageImprint.GetInstance(e.Current);
// serialNumber
e.MoveNext();
m_serialNumber = DerInteger.GetInstance(e.Current);
// genTime
e.MoveNext();
m_genTime = Asn1GeneralizedTime.GetInstance(e.Current);
// default for ordering
m_ordering = DerBoolean.False;
while (e.MoveNext())
{
Asn1Object o = (Asn1Object) e.Current;
if (o is Asn1TaggedObject tagged)
{
switch (tagged.TagNo)
{
case 0:
m_tsa = GeneralName.GetInstance(tagged, true);
break;
case 1:
m_extensions = X509Extensions.GetInstance(tagged, false);
break;
default:
throw new ArgumentException("Unknown tag value " + tagged.TagNo);
}
}
if (o is Asn1Sequence)
{
m_accuracy = Accuracy.GetInstance(o);
}
if (o is DerBoolean)
{
m_ordering = DerBoolean.GetInstance(o);
}
if (o is DerInteger)
{
m_nonce = DerInteger.GetInstance(o);
}
}
}
public TstInfo(DerObjectIdentifier tsaPolicyId, MessageImprint messageImprint, DerInteger serialNumber,
Asn1GeneralizedTime genTime, Accuracy accuracy, DerBoolean ordering, DerInteger nonce, GeneralName tsa,
X509Extensions extensions)
{
m_version = new DerInteger(1);
m_tsaPolicyID = tsaPolicyId;
m_messageImprint = messageImprint;
m_serialNumber = serialNumber;
m_genTime = genTime;
m_accuracy = accuracy;
m_ordering = ordering;
m_nonce = nonce;
m_tsa = tsa;
m_extensions = extensions;
}
public DerInteger Version => m_version;
public MessageImprint MessageImprint => m_messageImprint;
public DerObjectIdentifier Policy => m_tsaPolicyID;
public DerInteger SerialNumber => m_serialNumber;
public Accuracy Accuracy => m_accuracy;
public Asn1GeneralizedTime GenTime => m_genTime;
public DerBoolean Ordering => m_ordering;
public DerInteger Nonce => m_nonce;
public GeneralName Tsa => m_tsa;
public X509Extensions Extensions => m_extensions;
/**
* <pre>
*
* TstInfo ::= SEQUENCE {
* version INTEGER { v1(1) },
* policy TSAPolicyId,
* messageImprint MessageImprint,
* -- MUST have the same value as the similar field in
* -- TimeStampReq
* serialNumber INTEGER,
* -- Time-Stamping users MUST be ready to accommodate integers
* -- up to 160 bits.
* genTime GeneralizedTime,
* accuracy Accuracy OPTIONAL,
* ordering BOOLEAN DEFAULT FALSE,
* nonce INTEGER OPTIONAL,
* -- MUST be present if the similar field was present
* -- in TimeStampReq. In that case it MUST have the same value.
* tsa [0] GeneralName OPTIONAL,
* extensions [1] IMPLICIT Extensions OPTIONAL }
*
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(10);
v.Add(m_version, m_tsaPolicyID, m_messageImprint, m_serialNumber, m_genTime);
v.AddOptional(m_accuracy);
if (m_ordering != null && m_ordering.IsTrue)
{
v.Add(m_ordering);
}
v.AddOptional(m_nonce);
v.AddOptionalTagged(true, 0, m_tsa);
v.AddOptionalTagged(false, 1, m_extensions);
return new DerSequence(v);
}
}
}
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