package org.bouncycastle.asn1.tsp;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBoolean;
import org.bouncycastle.asn1.DERGeneralizedTime;
import org.bouncycastle.asn1.DERInteger;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERObjectIdentifier;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x509.GeneralName;
import org.bouncycastle.asn1.x509.X509Extensions;
import java.io.IOException;
import java.util.Enumeration;
public class TSTInfo
extends ASN1Encodable
{
DERInteger version;
DERObjectIdentifier tsaPolicyId;
MessageImprint messageImprint;
DERInteger serialNumber;
DERGeneralizedTime genTime;
Accuracy accuracy;
DERBoolean ordering;
DERInteger nonce;
GeneralName tsa;
X509Extensions extensions;
public static TSTInfo getInstance(Object o)
{
if (o == null || o instanceof TSTInfo)
{
return (TSTInfo) o;
}
else if (o instanceof ASN1Sequence)
{
return new TSTInfo((ASN1Sequence) o);
}
else if (o instanceof ASN1OctetString)
{
try
{
return getInstance(new ASN1InputStream(((ASN1OctetString)o).getOctets()).readObject());
}
catch (IOException ioEx)
{
throw new IllegalArgumentException(
"Bad object format in 'TSTInfo' factory.");
}
}
throw new IllegalArgumentException(
"Unknown object in 'TSTInfo' factory : "
+ o.getClass().getName() + ".");
}
public TSTInfo(ASN1Sequence seq)
{
Enumeration e = seq.getObjects();
// version
version = DERInteger.getInstance(e.nextElement());
// tsaPolicy
tsaPolicyId = DERObjectIdentifier.getInstance(e.nextElement());
// messageImprint
messageImprint = MessageImprint.getInstance(e.nextElement());
// serialNumber
serialNumber = DERInteger.getInstance(e.nextElement());
// genTime
genTime = DERGeneralizedTime.getInstance(e.nextElement());
// default for ordering
ordering = new DERBoolean(false);
while (e.hasMoreElements())
{
DERObject o = (DERObject) e.nextElement();
if (o instanceof ASN1TaggedObject)
{
DERTaggedObject tagged = (DERTaggedObject) o;
switch (tagged.getTagNo())
{
case 0:
tsa = GeneralName.getInstance(tagged, true);
break;
case 1:
extensions = X509Extensions.getInstance(tagged, false);
break;
default:
throw new IllegalArgumentException("Unknown tag value " + tagged.getTagNo());
}
}
else if (o instanceof DERSequence)
{
accuracy = Accuracy.getInstance(o);
}
else if (o instanceof DERBoolean)
{
ordering = DERBoolean.getInstance(o);
}
else if (o instanceof DERInteger)
{
nonce = DERInteger.getInstance(o);
}
}
}
public TSTInfo(DERObjectIdentifier tsaPolicyId, MessageImprint messageImprint,
DERInteger serialNumber, DERGeneralizedTime genTime,
Accuracy accuracy, DERBoolean ordering, DERInteger nonce,
GeneralName tsa, X509Extensions extensions)
{
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 MessageImprint getMessageImprint()
{
return messageImprint;
}
public DERObjectIdentifier getPolicy()
{
return tsaPolicyId;
}
public DERInteger getSerialNumber()
{
return serialNumber;
}
public Accuracy getAccuracy()
{
return accuracy;
}
public DERGeneralizedTime getGenTime()
{
return genTime;
}
public DERBoolean getOrdering()
{
return ordering;
}
public DERInteger getNonce()
{
return nonce;
}
public GeneralName getTsa()
{
return tsa;
}
public X509Extensions getExtensions()
{
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 DERObject toASN1Object()
{
ASN1EncodableVector seq = new ASN1EncodableVector();
seq.add(version);
seq.add(tsaPolicyId);
seq.add(messageImprint);
seq.add(serialNumber);
seq.add(genTime);
if (accuracy != null)
{
seq.add(accuracy);
}
if (ordering != null && ordering.isTrue())
{
seq.add(ordering);
}
if (nonce != null)
{
seq.add(nonce);
}
if (tsa != null)
{
seq.add(new DERTaggedObject(true, 0, tsa));
}
if (extensions != null)
{
seq.add(new DERTaggedObject(false, 1, extensions));
}
return new DERSequence(seq);
}
}