Examples with X509CRL java.security.cert.X509CRL used on opensource projects

Example 51 with X509CRL

use of java.security.cert.X509CRL in project XobotOS by xamarin.

the class CertPathValidatorUtilities method getDeltaCRLs.

/**
     * Fetches delta CRLs according to RFC 3280 section 5.2.4.
     *
     * @param currentDate The date for which the delta CRLs must be valid.
     * @param paramsPKIX The extended PKIX parameters.
     * @param completeCRL The complete CRL the delta CRL is for.
     * @return A <code>Set</code> of <code>X509CRL</code>s with delta CRLs.
     * @throws AnnotatedException if an exception occurs while picking the delta
     *             CRLs.
     */
protected static Set getDeltaCRLs(Date currentDate, ExtendedPKIXParameters paramsPKIX, X509CRL completeCRL) throws AnnotatedException {
    X509CRLStoreSelector deltaSelect = new X509CRLStoreSelector();
    // 5.2.4 (a)
    try {
        deltaSelect.addIssuerName(CertPathValidatorUtilities.getIssuerPrincipal(completeCRL).getEncoded());
    } catch (IOException e) {
        new AnnotatedException("Cannot extract issuer from CRL.", e);
    }
    BigInteger completeCRLNumber = null;
    try {
        DERObject derObject = CertPathValidatorUtilities.getExtensionValue(completeCRL, CRL_NUMBER);
        if (derObject != null) {
            completeCRLNumber = CRLNumber.getInstance(derObject).getPositiveValue();
        }
    } catch (Exception e) {
        throw new AnnotatedException("CRL number extension could not be extracted from CRL.", e);
    }
    // 5.2.4 (b)
    byte[] idp = null;
    try {
        idp = completeCRL.getExtensionValue(ISSUING_DISTRIBUTION_POINT);
    } catch (Exception e) {
        throw new AnnotatedException("Issuing distribution point extension value could not be read.", e);
    }
    // 5.2.4 (d)
    deltaSelect.setMinCRLNumber(completeCRLNumber == null ? null : completeCRLNumber.add(BigInteger.valueOf(1)));
    deltaSelect.setIssuingDistributionPoint(idp);
    deltaSelect.setIssuingDistributionPointEnabled(true);
    // 5.2.4 (c)
    deltaSelect.setMaxBaseCRLNumber(completeCRLNumber);
    // find delta CRLs
    Set temp = CRL_UTIL.findCRLs(deltaSelect, paramsPKIX, currentDate);
    Set result = new HashSet();
    for (Iterator it = temp.iterator(); it.hasNext(); ) {
        X509CRL crl = (X509CRL) it.next();
        if (isDeltaCRL(crl)) {
            result.add(crl);
        }
    }
    return result;
}

Example 52 with X509CRL

use of java.security.cert.X509CRL in project XobotOS by xamarin.

the class PKIXCRLUtil method findCRLs.

public Set findCRLs(X509CRLStoreSelector crlselect, ExtendedPKIXParameters paramsPKIX, Date currentDate) throws AnnotatedException {
    Set initialSet = new HashSet();
    // get complete CRL(s)
    try {
        initialSet.addAll(findCRLs(crlselect, paramsPKIX.getAdditionalStores()));
        initialSet.addAll(findCRLs(crlselect, paramsPKIX.getStores()));
        initialSet.addAll(findCRLs(crlselect, paramsPKIX.getCertStores()));
    } catch (AnnotatedException e) {
        throw new AnnotatedException("Exception obtaining complete CRLs.", e);
    }
    Set finalSet = new HashSet();
    Date validityDate = currentDate;
    if (paramsPKIX.getDate() != null) {
        validityDate = paramsPKIX.getDate();
    }
    // based on RFC 5280 6.3.3
    for (Iterator it = initialSet.iterator(); it.hasNext(); ) {
        X509CRL crl = (X509CRL) it.next();
        if (crl.getNextUpdate().after(validityDate)) {
            X509Certificate cert = crlselect.getCertificateChecking();
            if (cert != null) {
                if (crl.getThisUpdate().before(cert.getNotAfter())) {
                    finalSet.add(crl);
                }
            } else {
                finalSet.add(crl);
            }
        }
    }
    return finalSet;
}

Example 53 with X509CRL

use of java.security.cert.X509CRL in project XobotOS by xamarin.

the class X509CertFactoryImpl method getCRL.

/**
     * Returns the CRL object corresponding to the encoding provided
     * by the stream.
     * Resulting object is retrieved from the cache
     * if it contains such correspondence
     * and is constructed on the base of encoding
     * and stored in the cache otherwise.
     * @throws IOException if some decoding errors occur
     * (in the case of cache miss).
     */
private static CRL getCRL(InputStream inStream) throws CRLException, IOException {
    synchronized (CRL_CACHE) {
        inStream.mark(CRL_CACHE_SEED_LENGTH);
        byte[] buff = readBytes(inStream, CRL_CACHE_SEED_LENGTH);
        // read the prefix of the encoding
        inStream.reset();
        if (buff == null) {
            throw new CRLException("InputStream doesn't contain enough data");
        }
        long hash = CRL_CACHE.getHash(buff);
        if (CRL_CACHE.contains(hash)) {
            byte[] encoding = new byte[BerInputStream.getLength(buff)];
            if (encoding.length < CRL_CACHE_SEED_LENGTH) {
                throw new CRLException("Bad CRL encoding");
            }
            Streams.readFully(inStream, encoding);
            CRL res = (CRL) CRL_CACHE.get(hash, encoding);
            if (res != null) {
                return res;
            }
            res = new X509CRLImpl(encoding);
            CRL_CACHE.put(hash, encoding, res);
            return res;
        } else {
            X509CRL res = new X509CRLImpl(inStream);
            CRL_CACHE.put(hash, res.getEncoded(), res);
            return res;
        }
    }
}

Example 54 with X509CRL

use of java.security.cert.X509CRL in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method checkCRL.

/**
     * Checks a distribution point for revocation information for the
     * certificate <code>cert</code>.
     *
     * @param dp                 The distribution point to consider.
     * @param paramsPKIX         PKIX parameters.
     * @param cert               Certificate to check if it is revoked.
     * @param validDate          The date when the certificate revocation status should be
     *                           checked.
     * @param defaultCRLSignCert The issuer certificate of the certificate <code>cert</code>.
     * @param defaultCRLSignKey  The public key of the issuer certificate
     *                           <code>defaultCRLSignCert</code>.
     * @param certStatus         The current certificate revocation status.
     * @param reasonMask         The reasons mask which is already checked.
     * @param certPathCerts      The certificates of the certification path.
     * @throws AnnotatedException if the certificate is revoked or the status cannot be checked
     *                            or some error occurs.
     */
private static void checkCRL(DistributionPoint dp, ExtendedPKIXParameters paramsPKIX, X509Certificate cert, Date validDate, X509Certificate defaultCRLSignCert, PublicKey defaultCRLSignKey, CertStatus certStatus, ReasonsMask reasonMask, List certPathCerts) throws AnnotatedException {
    Date currentDate = new Date(System.currentTimeMillis());
    if (validDate.getTime() > currentDate.getTime()) {
        throw new AnnotatedException("Validation time is in future.");
    }
    // (a)
    /*
         * We always get timely valid CRLs, so there is no step (a) (1).
         * "locally cached" CRLs are assumed to be in getStore(), additional
         * CRLs must be enabled in the ExtendedPKIXParameters and are in
         * getAdditionalStore()
         */
    Set crls = CertPathValidatorUtilities.getCompleteCRLs(dp, cert, currentDate, paramsPKIX);
    boolean validCrlFound = false;
    AnnotatedException lastException = null;
    Iterator crl_iter = crls.iterator();
    while (crl_iter.hasNext() && certStatus.getCertStatus() == CertStatus.UNREVOKED && !reasonMask.isAllReasons()) {
        try {
            X509CRL crl = (X509CRL) crl_iter.next();
            // (d)
            ReasonsMask interimReasonsMask = RFC3280CertPathUtilities.processCRLD(crl, dp);
            /*
                 * The reasons mask is updated at the end, so only valid CRLs
                 * can update it. If this CRL does not contain new reasons it
                 * must be ignored.
                 */
            if (!interimReasonsMask.hasNewReasons(reasonMask)) {
                continue;
            }
            // (f)
            Set keys = RFC3280CertPathUtilities.processCRLF(crl, cert, defaultCRLSignCert, defaultCRLSignKey, paramsPKIX, certPathCerts);
            // (g)
            PublicKey key = RFC3280CertPathUtilities.processCRLG(crl, keys);
            X509CRL deltaCRL = null;
            if (paramsPKIX.isUseDeltasEnabled()) {
                // get delta CRLs
                Set deltaCRLs = CertPathValidatorUtilities.getDeltaCRLs(currentDate, paramsPKIX, crl);
                // we only want one valid delta CRL
                // (h)
                deltaCRL = RFC3280CertPathUtilities.processCRLH(deltaCRLs, key);
            }
            if (paramsPKIX.getValidityModel() != ExtendedPKIXParameters.CHAIN_VALIDITY_MODEL) {
                /*
                     * if a certificate has expired, but was revoked, it is not
                     * more in the CRL, so it would be regarded as valid if the
                     * first check is not done
                     */
                if (cert.getNotAfter().getTime() < crl.getThisUpdate().getTime()) {
                    throw new AnnotatedException("No valid CRL for current time found.");
                }
            }
            RFC3280CertPathUtilities.processCRLB1(dp, cert, crl);
            // (b) (2)
            RFC3280CertPathUtilities.processCRLB2(dp, cert, crl);
            // (c)
            RFC3280CertPathUtilities.processCRLC(deltaCRL, crl, paramsPKIX);
            // (i)
            RFC3280CertPathUtilities.processCRLI(validDate, deltaCRL, cert, certStatus, paramsPKIX);
            // (j)
            RFC3280CertPathUtilities.processCRLJ(validDate, crl, cert, certStatus);
            // (k)
            if (certStatus.getCertStatus() == CRLReason.removeFromCRL) {
                certStatus.setCertStatus(CertStatus.UNREVOKED);
            }
            // update reasons mask
            reasonMask.addReasons(interimReasonsMask);
            Set criticalExtensions = crl.getCriticalExtensionOIDs();
            if (criticalExtensions != null) {
                criticalExtensions = new HashSet(criticalExtensions);
                criticalExtensions.remove(X509Extensions.IssuingDistributionPoint.getId());
                criticalExtensions.remove(X509Extensions.DeltaCRLIndicator.getId());
                if (!criticalExtensions.isEmpty()) {
                    throw new AnnotatedException("CRL contains unsupported critical extensions.");
                }
            }
            if (deltaCRL != null) {
                criticalExtensions = deltaCRL.getCriticalExtensionOIDs();
                if (criticalExtensions != null) {
                    criticalExtensions = new HashSet(criticalExtensions);
                    criticalExtensions.remove(X509Extensions.IssuingDistributionPoint.getId());
                    criticalExtensions.remove(X509Extensions.DeltaCRLIndicator.getId());
                    if (!criticalExtensions.isEmpty()) {
                        throw new AnnotatedException("Delta CRL contains unsupported critical extension.");
                    }
                }
            }
            validCrlFound = true;
        } catch (AnnotatedException e) {
            lastException = e;
        }
    }
    if (!validCrlFound) {
        throw lastException;
    }
}

Example 55 with X509CRL

use of java.security.cert.X509CRL in project XobotOS by xamarin.

the class X509CRLStoreSelector method match.

public boolean match(Object obj) {
    if (!(obj instanceof X509CRL)) {
        return false;
    }
    X509CRL crl = (X509CRL) obj;
    DERInteger dci = null;
    try {
        byte[] bytes = crl.getExtensionValue(X509Extensions.DeltaCRLIndicator.getId());
        if (bytes != null) {
            dci = DERInteger.getInstance(X509ExtensionUtil.fromExtensionValue(bytes));
        }
    } catch (Exception e) {
        return false;
    }
    if (isDeltaCRLIndicatorEnabled()) {
        if (dci == null) {
            return false;
        }
    }
    if (isCompleteCRLEnabled()) {
        if (dci != null) {
            return false;
        }
    }
    if (dci != null) {
        if (maxBaseCRLNumber != null) {
            if (dci.getPositiveValue().compareTo(maxBaseCRLNumber) == 1) {
                return false;
            }
        }
    }
    if (issuingDistributionPointEnabled) {
        byte[] idp = crl.getExtensionValue(X509Extensions.IssuingDistributionPoint.getId());
        if (issuingDistributionPoint == null) {
            if (idp != null) {
                return false;
            }
        } else {
            if (!Arrays.areEqual(idp, issuingDistributionPoint)) {
                return false;
            }
        }
    }
    return super.match((X509CRL) obj);
}