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package org.spongycastle.tsp.cms;
import java.net.URL;
import org.spongycastle.asn1.ASN1Boolean;
import org.spongycastle.asn1.DERBoolean;
import org.spongycastle.asn1.DERIA5String;
import org.spongycastle.asn1.DERUTF8String;
import org.spongycastle.asn1.cms.Attributes;
import org.spongycastle.asn1.cms.MetaData;
import org.spongycastle.cms.CMSException;
import org.spongycastle.operator.DigestCalculator;
import org.spongycastle.util.Integers;
public class CMSTimeStampedGenerator
{
protected MetaData metaData;
protected URL dataUri;
/**
* Set the dataURL to be included in message.
*
* @param dataUri URL for the data the initial message imprint digest is based on.
*/
public void setDataUri(URL dataUri)
{
this.dataUri = dataUri;
}
/**
* Set the MetaData for the generated message.
*
* @param hashProtected true if the MetaData should be included in first imprint calculation, false otherwise.
* @param fileName optional file name, may be null.
* @param mediaType optional media type, may be null.
*/
public void setMetaData(boolean hashProtected, String fileName, String mediaType)
{
setMetaData(hashProtected, fileName, mediaType, null);
}
/**
* Set the MetaData for the generated message.
*
* @param hashProtected true if the MetaData should be included in first imprint calculation, false otherwise.
* @param fileName optional file name, may be null.
* @param mediaType optional media type, may be null.
* @param attributes optional attributes, may be null.
*/
public void setMetaData(boolean hashProtected, String fileName, String mediaType, Attributes attributes)
{
DERUTF8String asn1FileName = null;
if (fileName != null)
{
asn1FileName = new DERUTF8String(fileName);
}
DERIA5String asn1MediaType = null;
if (mediaType != null)
{
asn1MediaType = new DERIA5String(mediaType);
}
setMetaData(hashProtected, asn1FileName, asn1MediaType, attributes);
}
private void setMetaData(boolean hashProtected, DERUTF8String fileName, DERIA5String mediaType, Attributes attributes)
{
this.metaData = new MetaData(ASN1Boolean.getInstance(hashProtected), fileName, mediaType, attributes);
}
/**
* Initialise the passed in calculator with the MetaData for this message, if it is
* required as part of the initial message imprint calculation. After initialisation the
* calculator can then be used to calculate the initial message imprint digest for the first
* timestamp.
*
* @param calculator the digest calculator to be initialised.
* @throws CMSException if the MetaData is required and cannot be processed
*/
public void initialiseMessageImprintDigestCalculator(DigestCalculator calculator)
throws CMSException
{
MetaDataUtil util = new MetaDataUtil(metaData);
util.initialiseMessageImprintDigestCalculator(calculator);
}
}
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