/**
* Return a new timeStampedData object with the additional token attached.
*
* @throws CMSException
*/
public CMSTimeStampedData addTimeStamp(TimeStampToken token) throws CMSException {
TimeStampAndCRL[] timeStamps = util.getTimeStamps();
TimeStampAndCRL[] newTimeStamps = new TimeStampAndCRL[timeStamps.length + 1];
System.arraycopy(timeStamps, 0, newTimeStamps, 0, timeStamps.length);
newTimeStamps[timeStamps.length] =
new TimeStampAndCRL(token.toCMSSignedData().getContentInfo());
return new CMSTimeStampedData(
new ContentInfo(
CMSObjectIdentifiers.timestampedData,
new TimeStampedData(
timeStampedData.getDataUri(),
timeStampedData.getMetaData(),
timeStampedData.getContent(),
new Evidence(new TimeStampTokenEvidence(newTimeStamps)))));
}
/**
* Validate the passed in timestamp token against the tokens and data present in the message.
*
* @param calculatorProvider provider for digest calculators
* @param dataDigest the calculated data digest for the message.
* @param timeStampToken the timestamp token of interest.
* @throws ImprintDigestInvalidException if the token is not present in the message, or an imprint
* digest fails to compare.
* @throws CMSException if an exception occurs processing the message.
*/
public void validate(
DigestCalculatorProvider calculatorProvider, byte[] dataDigest, TimeStampToken timeStampToken)
throws ImprintDigestInvalidException, CMSException {
util.validate(calculatorProvider, dataDigest, timeStampToken);
}
public byte[] calculateNextHash(DigestCalculator calculator) throws CMSException {
return util.calculateNextHash(calculator);
}
/**
* Returns an appropriately initialised digest calculator based on the message imprint algorithm
* described in the first time stamp in the TemporalData for this message. If the metadata is
* required to be included in the digest calculation, the returned calculator will be
* pre-initialised.
*
* @param calculatorProvider a provider of DigestCalculator objects.
* @return an initialised digest calculator.
* @throws OperatorCreationException if the provider is unable to create the calculator.
*/
public DigestCalculator getMessageImprintDigestCalculator(
DigestCalculatorProvider calculatorProvider) throws OperatorCreationException {
return util.getMessageImprintDigestCalculator(calculatorProvider);
}
/**
* Validate the digests present in the TimeStampTokens contained in the CMSTimeStampedData.
*
* @param calculatorProvider provider for digest calculators
* @param dataDigest the calculated data digest for the message
* @throws ImprintDigestInvalidException if an imprint digest fails to compare
* @throws CMSException if an exception occurs processing the message.
*/
public void validate(DigestCalculatorProvider calculatorProvider, byte[] dataDigest)
throws ImprintDigestInvalidException, CMSException {
util.validate(calculatorProvider, dataDigest);
}
/**
* Initialise the passed in calculator with the MetaData for this message, if it is required as
* part of the initial message imprint calculation.
*
* @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 {
util.initialiseMessageImprintDigestCalculator(calculator);
}
public TimeStampToken[] getTimeStampTokens() throws CMSException {
return util.getTimeStampTokens();
}
public AttributeTable getOtherMetaData() {
return util.getOtherMetaData();
}
public String getMediaType() {
return util.getMediaType();
}
public String getFileName() {
return util.getFileName();
}
