/**
* 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.x509.crl;
import eu.europa.esig.dss.DSSException;
import eu.europa.esig.dss.x509.CertificateToken;
import java.io.Serializable;
/**
* The validation of a certificate requires the access to some CRLs. This information can be found online, in a cache or even in
* the signature itself. This interface provides an abstraction of a CRL data source.
*
*
*/
public interface CRLSource extends Serializable {
/**
* Finds the CRL(s) for the requested certificate. If found:<br />
* - the CRL's signature is checked;<br />
* - the key usage of the CRL's signing certificate is verified;<br />
*
* The most recent CRL is returned. If the parameter is <code>null</code> than <code>null</code> is returned.
*
* @param certificateToken the certificate token for which the CRL need to be found.
* @return {@code CRLToken}, null if not found.
* @throws DSSException
*/
CRLToken findCrl(final CertificateToken certificateToken) throws DSSException;
}