CRLRef.java

/*
 * DSS - Digital Signature Services
 *
 * Copyright (C) 2013 European Commission, Directorate-General Internal Market and Services (DG MARKT), B-1049 Bruxelles/Brussel
 *
 * Developed by: 2013 ARHS Developments S.A. (rue Nicolas Bové 2B, L-1253 Luxembourg) http://www.arhs-developments.com
 *
 * This file is part of the "DSS - Digital Signature Services" project.
 *
 * "DSS - Digital Signature Services" 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.
 *
 * DSS 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
 * "DSS - Digital Signature Services".  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.europa.ec.markt.dss.validation102853.crl;

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CRLException;
import java.security.cert.X509CRL;
import java.text.ParseException;
import java.util.Arrays;
import java.util.Date;

import org.bouncycastle.asn1.esf.CrlIdentifier;
import org.bouncycastle.asn1.esf.CrlValidatedID;
import org.bouncycastle.asn1.esf.OtherHash;
import org.bouncycastle.asn1.x500.X500Name;

import eu.europa.ec.markt.dss.DSSUtils;
import eu.europa.ec.markt.dss.DigestAlgorithm;
import eu.europa.ec.markt.dss.exception.DSSException;

/**
 * Reference to a X509CRL
 *
 * @version $Revision$ - $Date$
 */

public class CRLRef {

    private X500Name crlIssuer;
    private Date crlIssuedTime;
    private BigInteger crlNumber;
    private DigestAlgorithm digestAlgorithm;
    private byte[] digestValue;

    /**
     * The default constructor for CRLRef.
     */
    public CRLRef() {
    }

    /**
     * The default constructor for CRLRef.
     *
     * @param cmsRef
     * @throws ParseException
     */
    public CRLRef(CrlValidatedID cmsRef) {
        try {

            final CrlIdentifier crlIdentifier = cmsRef.getCrlIdentifier();
            if (crlIdentifier != null) {
                crlIssuer = crlIdentifier.getCrlIssuer();
                crlIssuedTime = crlIdentifier.getCrlIssuedTime().getDate();
                crlNumber = crlIdentifier.getCrlNumber();
            }
            final OtherHash crlHash = cmsRef.getCrlHash();

            digestAlgorithm = DigestAlgorithm.forOID(crlHash.getHashAlgorithm().getAlgorithm());
            digestValue = crlHash.getHashValue();
        } catch (ParseException ex) {
            throw new DSSException(ex);
        }
    }

    /**
     * @param crl
     * @return
     */
    public boolean match(X509CRL crl) {
        try {
            MessageDigest digest = DSSUtils.getMessageDigest(digestAlgorithm);
            byte[] computedValue = digest.digest(crl.getEncoded());
            return Arrays.equals(digestValue, computedValue);
        } catch (NoSuchAlgorithmException ex) {
            throw new DSSException("Maybe BouncyCastle provider is not installed ?", ex);
        } catch (CRLException ex) {
            throw new DSSException(ex);
        }
    }

    /**
     * @return
     */
    public X500Name getCrlIssuer() {
        return crlIssuer;
    }

    /**
     * @param crlIssuer
     */
    public void setCrlIssuer(X500Name crlIssuer) {
        this.crlIssuer = crlIssuer;
    }

    /**
     * @return
     */
    public Date getCrlIssuedTime() {
        return crlIssuedTime;
    }

    /**
     * @param crlIssuedTime
     */
    public void setCrlIssuedTime(Date crlIssuedTime) {
        this.crlIssuedTime = crlIssuedTime;
    }

    /**
     * @return
     */
    public BigInteger getCrlNumber() {
        return crlNumber;
    }

    /**
     * @param crlNumber
     */
    public void setCrlNumber(BigInteger crlNumber) {
        this.crlNumber = crlNumber;
    }

    /**
     * @return
     */
    public DigestAlgorithm getDigestAlgorithm() {
        return digestAlgorithm;
    }

    /**
     * @param digestAlgorithm
     */
    public void setDigestAlgorithm(DigestAlgorithm digestAlgorithm) {
        this.digestAlgorithm = digestAlgorithm;
    }

    /**
     * @return
     */
    public byte[] getDigestValue() {
        return digestValue;
    }

    /**
     * @param digestValue
     */
    public void setDigestValue(byte[] digestValue) {
        this.digestValue = digestValue;
    }

}