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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Tsp
{
public class TstInfo
: Asn1Encodable
{
private readonly DerInteger version;
private readonly DerObjectIdentifier tsaPolicyId;
private readonly MessageImprint messageImprint;
private readonly DerInteger serialNumber;
private readonly Asn1GeneralizedTime genTime;
private readonly Accuracy accuracy;
private readonly DerBoolean ordering;
private readonly DerInteger nonce;
private readonly GeneralName tsa;
private readonly X509Extensions extensions;
public static TstInfo GetInstance(object obj)
{
if (obj is TstInfo)
return (TstInfo)obj;
if (obj == null)
return null;
return new TstInfo(Asn1Sequence.GetInstance(obj));
}
private TstInfo(Asn1Sequence seq)
{
var e = seq.GetEnumerator();
// version
e.MoveNext();
version = DerInteger.GetInstance(e.Current);
// tsaPolicy
e.MoveNext();
tsaPolicyId = DerObjectIdentifier.GetInstance(e.Current);
// messageImprint
e.MoveNext();
messageImprint = MessageImprint.GetInstance(e.Current);
// serialNumber
e.MoveNext();
serialNumber = DerInteger.GetInstance(e.Current);
// genTime
e.MoveNext();
genTime = Asn1GeneralizedTime.GetInstance(e.Current);
// default for ordering
ordering = DerBoolean.False;
while (e.MoveNext())
{
Asn1Object o = (Asn1Object) e.Current;
if (o is Asn1TaggedObject)
{
DerTaggedObject tagged = (DerTaggedObject) o;
switch (tagged.TagNo)
{
case 0:
tsa = GeneralName.GetInstance(tagged, true);
break;
case 1:
extensions = X509Extensions.GetInstance(tagged, false);
break;
default:
throw new ArgumentException("Unknown tag value " + tagged.TagNo);
}
}
if (o is DerSequence)
{
accuracy = Accuracy.GetInstance(o);
}
if (o is DerBoolean)
{
ordering = DerBoolean.GetInstance(o);
}
if (o is DerInteger)
{
nonce = DerInteger.GetInstance(o);
}
}
}
public TstInfo(
DerObjectIdentifier tsaPolicyId,
MessageImprint messageImprint,
DerInteger serialNumber,
Asn1GeneralizedTime genTime,
Accuracy accuracy,
DerBoolean ordering,
DerInteger nonce,
GeneralName tsa,
X509Extensions extensions)
{
this.version = new DerInteger(1);
this.tsaPolicyId = tsaPolicyId;
this.messageImprint = messageImprint;
this.serialNumber = serialNumber;
this.genTime = genTime;
this.accuracy = accuracy;
this.ordering = ordering;
this.nonce = nonce;
this.tsa = tsa;
this.extensions = extensions;
}
public DerInteger Version
{
get { return version; }
}
public MessageImprint MessageImprint
{
get { return messageImprint; }
}
public DerObjectIdentifier Policy
{
get { return tsaPolicyId; }
}
public DerInteger SerialNumber
{
get { return serialNumber; }
}
public Accuracy Accuracy
{
get { return accuracy; }
}
public Asn1GeneralizedTime GenTime
{
get { return genTime; }
}
public DerBoolean Ordering
{
get { return ordering; }
}
public DerInteger Nonce
{
get { return nonce; }
}
public GeneralName Tsa
{
get { return tsa; }
}
public X509Extensions Extensions
{
get { return 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(version, tsaPolicyId, messageImprint, serialNumber, genTime);
v.AddOptional(accuracy);
if (ordering != null && ordering.IsTrue)
{
v.Add(ordering);
}
v.AddOptional(nonce);
v.AddOptionalTagged(true, 0, tsa);
v.AddOptionalTagged(false, 1, extensions);
return new DerSequence(v);
}
}
}
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