/**
* DSS - Digital Signature Services
* Copyright (C) 2015 European Commission, provided under the CEF programme
*
* This file is part of the "DSS - Digital Signature Services" project.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package eu.europa.esig.dss.xades.signature;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import eu.europa.esig.dss.DSSException;
import eu.europa.esig.dss.DSSUtils;
import eu.europa.esig.dss.DigestAlgorithm;
import eu.europa.esig.dss.SignatureLevel;
import eu.europa.esig.dss.TimestampParameters;
import eu.europa.esig.dss.validation.CertificateVerifier;
import eu.europa.esig.dss.x509.TimestampType;
/**
* This class represents the implementation of XAdES level -X extension.
*
*
*/
public class XAdESLevelX extends XAdESLevelC {
/**
* The default constructor for XAdESLevelX.
*/
public XAdESLevelX(CertificateVerifier certificateVerifier) {
super(certificateVerifier);
}
/**
* Adds <SigAndRefsTimeStamp> segment to <UnsignedSignatureProperties><br>
* The time-stamp is placed on the the digital signature (ds:Signature element), the time-stamp(s) present in the
* XAdES-T form, the certification path references and the revocation status references.
*
* A XAdES-X form MAY contain several SigAndRefsTimeStamp elements, obtained from different TSAs.
*
* @see XAdESLevelC#extendSignatureTag()
*/
@Override
protected void extendSignatureTag() throws DSSException {
/* Go up to -C */
super.extendSignatureTag();
final SignatureLevel signatureLevel = params.getSignatureLevel();
// for XAdES_XL the development is not conform with the standard
if (!xadesSignature.hasXProfile() || SignatureLevel.XAdES_X.equals(signatureLevel) || SignatureLevel.XAdES_XL.equals(signatureLevel)) {
if (SignatureLevel.XAdES_XL.equals(params.getSignatureLevel())) {
final NodeList toRemoveList = xadesSignature.getSigAndRefsTimeStamp();
for (int index = 0; index < toRemoveList.getLength(); index++) {
final Node item = toRemoveList.item(index);
unsignedSignaturePropertiesDom.removeChild(item);
}
}
final TimestampParameters signatureTimestampParameters = params.getSignatureTimestampParameters();
final String canonicalizationMethod = signatureTimestampParameters.getCanonicalizationMethod();
final byte[] timestampX1Data = xadesSignature.getTimestampX1Data(null, canonicalizationMethod);
final DigestAlgorithm timestampDigestAlgorithm = signatureTimestampParameters.getDigestAlgorithm();
final byte[] digestValue = DSSUtils.digest(timestampDigestAlgorithm, timestampX1Data);
createXAdESTimeStampType(TimestampType.VALIDATION_DATA_TIMESTAMP, canonicalizationMethod, digestValue);
}
}
}