eu.europa.esig.dss.spi.x509.revocation.ocsp.OCSPRefIdentifier Maven / Gradle / Ivy
/**
* 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.spi.x509.revocation.ocsp;
import eu.europa.esig.dss.model.DSSException;
import eu.europa.esig.dss.model.Digest;
import eu.europa.esig.dss.spi.DSSUtils;
import eu.europa.esig.dss.spi.x509.ResponderId;
import eu.europa.esig.dss.spi.x509.revocation.RevocationRefIdentifier;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* An identifier used for an OCSP token reference
*
*/
public final class OCSPRefIdentifier extends RevocationRefIdentifier {
private static final long serialVersionUID = 3113937346660525679L;
/**
* Default constructor
*
* @param ocspRef {@link OCSPRef}
*/
protected OCSPRefIdentifier(OCSPRef ocspRef) {
super(getDigest(ocspRef));
}
private static Digest getDigest(OCSPRef ocspRef) {
if (ocspRef.getDigest() != null) {
return ocspRef.getDigest();
}
byte[] bytes;
try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); DataOutputStream dos = new DataOutputStream(baos)) {
if (ocspRef.getProducedAt() != null) {
dos.writeLong(ocspRef.getProducedAt().getTime());
}
ResponderId responderId = ocspRef.getResponderId();
if (responderId != null) {
if (responderId.getSki() != null) {
dos.write(responderId.getSki());
}
if (responderId.getX500Principal() != null) {
dos.writeChars(responderId.getX500Principal().toString());
}
}
dos.flush();
bytes = baos.toByteArray();
} catch (IOException e) {
throw new DSSException("Cannot build DSS ID for the OCSP Ref.", e);
}
return new Digest(DIGEST_ALGO, DSSUtils.digest(DIGEST_ALGO, bytes));
}
}