org.bouncycastle.asn1.cms.TimeStampedDataParser Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-jdk14 Show documentation

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.4. Note: this package includes the NTRU encryption algorithms.

There is a newer version: 1.78.1

Show newest version

package org.bouncycastle.asn1.cms;

import java.io.IOException;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1OctetStringParser;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1SequenceParser;
import org.bouncycastle.asn1.DERIA5String;

/**
 * Parser for RFC 5544:
 * {@link TimeStampedData} object.
 * 
 *  
 * TimeStampedData ::= SEQUENCE {
 *   version              INTEGER { v1(1) },
 *   dataUri              IA5String OPTIONAL,
 *   metaData             MetaData OPTIONAL,
 *   content              OCTET STRING OPTIONAL,
 *   temporalEvidence     Evidence
 * }
 *


*/
public class TimeStampedDataParser
{
private ASN1Integer version;
private DERIA5String dataUri;
private MetaData metaData;
private ASN1OctetStringParser content;
private Evidence temporalEvidence;
private ASN1SequenceParser parser;
private TimeStampedDataParser(ASN1SequenceParser parser)
throws IOException
{
this.parser = parser;
this.version = ASN1Integer.getInstance(parser.readObject());
ASN1Encodable obj = parser.readObject();
if (obj instanceof DERIA5String)
{
this.dataUri = DERIA5String.getInstance(obj);
obj = parser.readObject();
}
if (obj instanceof MetaData || obj instanceof ASN1SequenceParser)
{
this.metaData = MetaData.getInstance(obj.toASN1Primitive());
obj = parser.readObject();
}
if (obj instanceof ASN1OctetStringParser)
{
this.content = (ASN1OctetStringParser)obj;
}
}
public static TimeStampedDataParser getInstance(Object obj)
throws IOException
{
if (obj instanceof ASN1Sequence)
{
return new TimeStampedDataParser(((ASN1Sequence)obj).parser());
}
if (obj instanceof ASN1SequenceParser)
{
return new TimeStampedDataParser((ASN1SequenceParser)obj);
}
return null;
}
public DERIA5String getDataUri()
{
return dataUri;
}
public MetaData getMetaData()
{
return metaData;
}
public ASN1OctetStringParser getContent()
{
return content;
}
public Evidence getTemporalEvidence()
throws IOException
{
if (temporalEvidence == null)
{
temporalEvidence = Evidence.getInstance(parser.readObject().toASN1Primitive());
}
return temporalEvidence;
}
}