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DSS Service Provider Interface contains the contract interface shared between the applet and the server-side of DSS.

There is a newer version: 6.0.d4j.2

/**
 * 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:

	 * - the CRL's signature is checked;

	 * - the key usage of the CRL's signing certificate is verified;

	 *
	 * The most recent CRL is returned. If the parameter is null than null 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;

}