Package gnu.java.security.x509.ext

Examples of gnu.java.security.x509.ext.Extension


    // (b) for all x in {1, ..., n}, the certificate was valid at the
    // time in question.
    //
    // Because this is the X.509 algorithm, we also check if all
    // cerificates are of type X509Certificate.
    PolicyNodeImpl rootNode = new PolicyNodeImpl();
    Set initPolicies = ((PKIXParameters) params).getInitialPolicies();
    rootNode.setValidPolicy(ANY_POLICY);
    rootNode.setCritical(false);
    rootNode.setDepth(0);
    if (initPolicies != null)
      rootNode.addAllExpectedPolicies(initPolicies);
    else
      rootNode.addExpectedPolicy(ANY_POLICY);
    List checks = ((PKIXParameters) params).getCertPathCheckers();
    List l = path.getCertificates();
    if (l == null || l.size() == 0)
      throw new CertPathValidatorException();
    X509Certificate[] p = null;
    try
      {
        p = (X509Certificate[]) l.toArray(new X509Certificate[l.size()]);
      }
    catch (ClassCastException cce)
      {
        throw new CertPathValidatorException("invalid certificate path");
      }
    String sigProvider = ((PKIXParameters) params).getSigProvider();
    PublicKey prevKey = null;
    Date now = ((PKIXParameters) params).getDate();
    if (now == null)
      now = new Date();
    LinkedList policyConstraints = new LinkedList();
    for (int i = p.length - 1; i >= 0; i--)
      {
        try
          {
            p[i].checkValidity(now);
          }
        catch (CertificateException ce)
          {
            throw new CertPathValidatorException(ce.toString());
          }
        Set uce = getCritExts(p[i]);
        for (Iterator check = checks.iterator(); check.hasNext();)
          {
            try
              {
                ((PKIXCertPathChecker) check.next()).check(p[i], uce);
              }
            catch (Exception x)
              {
              }
          }
        PolicyConstraint constr = null;
        if (p[i] instanceof GnuPKIExtension)
          {
            Extension pcx = ((GnuPKIExtension) p[i]).getExtension(PolicyConstraint.ID);
            if (pcx != null)
              constr = (PolicyConstraint) pcx.getValue();
          }
        else
          {
            byte[] pcx = p[i].getExtensionValue(PolicyConstraint.ID.toString());
            if (pcx != null)
              {
                try
                  {
                    constr = new PolicyConstraint(pcx);
                  }
                catch (Exception x)
                  {
                  }
              }
          }
        if (constr != null && constr.getRequireExplicitPolicy() >= 0)
          policyConstraints.add(new int[] { p.length - i,
                                            constr.getRequireExplicitPolicy() });
        updatePolicyTree(p[i], rootNode, p.length - i, (PKIXParameters) params,
                         checkExplicitPolicy(p.length - i, policyConstraints));
        // The rest of the tests involve this cert's relationship with the
        // next in the path. If this cert is the end entity, we can stop.
        if (i == 0)
          break;

        basicSanity(p, i);
        PublicKey pubKey = null;
        try
          {
            pubKey = p[i].getPublicKey();
            if (pubKey instanceof DSAPublicKey)
              {
                DSAParams dsa = ((DSAPublicKey) pubKey).getParams();
                // If the DSA public key is missing its parameters, use those
                // from the previous cert's key.
                if (dsa == null || dsa.getP() == null || dsa.getG() == null
                    || dsa.getQ() == null)
                  {
                    if (prevKey == null)
                      throw new InvalidKeyException("DSA keys not chainable");
                    if (! (prevKey instanceof DSAPublicKey))
                      throw new InvalidKeyException("DSA keys not chainable");
                    dsa = ((DSAPublicKey) prevKey).getParams();
                    pubKey = new DSSPublicKey(Registry.X509_ENCODING_ID,
                                              dsa.getP(), dsa.getQ(),
                                              dsa.getG(),
                                              ((DSAPublicKey) pubKey).getY());
                  }
              }
            if (sigProvider == null)
              p[i - 1].verify(pubKey);
            else
              p[i - 1].verify(pubKey, sigProvider);
            prevKey = pubKey;
          }
        catch (Exception e)
          {
            throw new CertPathValidatorException(e.toString());
          }
        if (! p[i].getSubjectDN().equals(p[i - 1].getIssuerDN()))
          throw new CertPathValidatorException("issuer DN mismatch");
        boolean[] issuerUid = p[i - 1].getIssuerUniqueID();
        boolean[] subjectUid = p[i].getSubjectUniqueID();
        if (issuerUid != null && subjectUid != null)
          if (! Arrays.equals(issuerUid, subjectUid))
            throw new CertPathValidatorException("UID mismatch");

        // Check the certificate against the revocation lists.
        if (((PKIXParameters) params).isRevocationEnabled())
          {
            X509CRLSelectorImpl selector = new X509CRLSelectorImpl();
            try
              {
                selector.addIssuerName(p[i].getSubjectDN());
              }
            catch (IOException ioe)
              {
                throw new CertPathValidatorException("error selecting CRLs");
              }
            List certStores = ((PKIXParameters) params).getCertStores();
            List crls = new LinkedList();
            for (Iterator it = certStores.iterator(); it.hasNext();)
              {
                CertStore cs = (CertStore) it.next();
                try
                  {
                    Collection c = cs.getCRLs(selector);
                    crls.addAll(c);
                  }
                catch (CertStoreException cse)
                  {
                  }
              }
            if (crls.isEmpty())
              throw new CertPathValidatorException("no CRLs for issuer");
            boolean certOk = false;
            for (Iterator it = crls.iterator(); it.hasNext();)
              {
                CRL crl = (CRL) it.next();
                if (! (crl instanceof X509CRL))
                  continue;
                X509CRL xcrl = (X509CRL) crl;
                if (! checkCRL(xcrl, p, now, p[i], pubKey, certStores))
                  continue;
                if (xcrl.isRevoked(p[i - 1]))
                  throw new CertPathValidatorException("certificate is revoked");
                else
                  certOk = true;
              }
            if (! certOk)
              throw new CertPathValidatorException(
                  "certificate's validity could not be determined");
          }
      }
    rootNode.setReadOnly();
    // Now ensure that the first certificate in the chain was issued
    // by a trust anchor.
    Exception cause = null;
    Set anchors = ((PKIXParameters) params).getTrustAnchors();
    for (Iterator i = anchors.iterator(); i.hasNext();)
View Full Code Here


    do
      {
        current = (Iterator) stack.removeLast();
        while (current.hasNext())
          {
            PolicyNodeImpl p = (PolicyNodeImpl) current.next();
            if (Configuration.DEBUG)
              log.fine("visiting node == " + p);
            if (p.getDepth() == depth - 1)
              {
                if (Configuration.DEBUG)
                  log.fine("added node");
                nodes.add(p);
              }
            else
              {
                if (Configuration.DEBUG)
                  log.fine("skipped node");
                stack.addLast(current);
                current = p.getChildren();
              }
          }
      }
    while (! stack.isEmpty());

    Extension e = null;
    CertificatePolicies policies = null;
    List qualifierInfos = null;
    if (cert instanceof GnuPKIExtension)
      {
        e = ((GnuPKIExtension) cert).getExtension(CertificatePolicies.ID);
        if (e != null)
          policies = (CertificatePolicies) e.getValue();
      }

    List cp = null;
    if (policies != null)
      cp = policies.getPolicies();
    else
      cp = Collections.EMPTY_LIST;
    boolean match = false;
    if (Configuration.DEBUG)
      {
        log.fine("nodes are == " + nodes);
        log.fine("cert policies are == " + cp);
      }
    for (Iterator it = nodes.iterator(); it.hasNext();)
      {
        PolicyNodeImpl parent = (PolicyNodeImpl) it.next();
        if (Configuration.DEBUG)
          log.fine("adding policies to " + parent);
        for (Iterator it2 = cp.iterator(); it2.hasNext();)
          {
            OID policy = (OID) it2.next();
            if (Configuration.DEBUG)
              log.fine("trying to add policy == " + policy);
            if (policy.toString().equals(ANY_POLICY)
                && params.isAnyPolicyInhibited())
              continue;
            PolicyNodeImpl child = new PolicyNodeImpl();
            child.setValidPolicy(policy.toString());
            child.addExpectedPolicy(policy.toString());
            if (parent.getExpectedPolicies().contains(policy.toString()))
              {
                parent.addChild(child);
                match = true;
              }
            else if (parent.getExpectedPolicies().contains(ANY_POLICY))
              {
                parent.addChild(child);
                match = true;
              }
            else if (ANY_POLICY.equals(policy.toString()))
              {
                parent.addChild(child);
                match = true;
              }
            if (match && policies != null)
              {
                List qualifiers = policies.getPolicyQualifierInfos(policy);
                if (qualifiers != null)
                  child.addAllPolicyQualifiers(qualifiers);
              }
          }
      }
    if (! match && (params.isExplicitPolicyRequired() || explicitPolicy))
      throw new CertPathValidatorException("policy tree building failed");
View Full Code Here

    if (caName == null || caKey == null)
      throw new NullPointerException();
    if (caName.length() == 0)
      throw new IllegalArgumentException();
    trustedCert = null;
    this.caName = new X500DistinguishedName(caName);
    this.caKey = caKey;
    if (nameConstraints != null)
      this.nameConstraints = (byte[]) nameConstraints.clone();
    else
      this.nameConstraints = null;
View Full Code Here

            throw new CertPathValidatorException("UID mismatch");

        // Check the certificate against the revocation lists.
        if (((PKIXParameters) params).isRevocationEnabled())
          {
            X509CRLSelectorImpl selector = new X509CRLSelectorImpl();
            try
              {
                selector.addIssuerName(p[i].getSubjectDN());
              }
            catch (IOException ioe)
              {
                throw new CertPathValidatorException("error selecting CRLs");
              }
            List certStores = ((PKIXParameters) params).getCertStores();
            List crls = new LinkedList();
            for (Iterator it = certStores.iterator(); it.hasNext();)
              {
                CertStore cs = (CertStore) it.next();
                try
                  {
                    Collection c = cs.getCRLs(selector);
                    crls.addAll(c);
                  }
                catch (CertStoreException cse)
                  {
                  }
              }
            if (crls.isEmpty())
              throw new CertPathValidatorException("no CRLs for issuer");
            boolean certOk = false;
            for (Iterator it = crls.iterator(); it.hasNext();)
              {
                CRL crl = (CRL) it.next();
                if (! (crl instanceof X509CRL))
                  continue;
                X509CRL xcrl = (X509CRL) crl;
                if (! checkCRL(xcrl, p, now, p[i], pubKey, certStores))
                  continue;
                if (xcrl.isRevoked(p[i - 1]))
                  throw new CertPathValidatorException("certificate is revoked");
                else
                  certOk = true;
              }
            if (! certOk)
              throw new CertPathValidatorException(
                  "certificate's validity could not be determined");
          }
      }
    rootNode.setReadOnly();
    // Now ensure that the first certificate in the chain was issued
    // by a trust anchor.
    Exception cause = null;
    Set anchors = ((PKIXParameters) params).getTrustAnchors();
    for (Iterator i = anchors.iterator(); i.hasNext();)
      {
        TrustAnchor anchor = (TrustAnchor) i.next();
        X509Certificate anchorCert = null;
        PublicKey anchorKey = null;
        if (anchor.getTrustedCert() != null)
          {
            anchorCert = anchor.getTrustedCert();
            anchorKey = anchorCert.getPublicKey();
          }
        else
          anchorKey = anchor.getCAPublicKey();
        if (anchorKey == null)
          continue;
        try
          {
            if (anchorCert != null)
              anchorCert.checkValidity(now);
            p[p.length - 1].verify(anchorKey);
            if (anchorCert != null && anchorCert.getBasicConstraints() >= 0
                && anchorCert.getBasicConstraints() < p.length)
              continue;

            if (((PKIXParameters) params).isRevocationEnabled())
              {
                X509CRLSelectorImpl selector = new X509CRLSelectorImpl();
                if (anchorCert != null)
                  try
                    {
                      selector.addIssuerName(anchorCert.getSubjectDN());
                    }
                  catch (IOException ioe)
                    {
                    }
                else
                  selector.addIssuerName(anchor.getCAName());
                List certStores = ((PKIXParameters) params).getCertStores();
                List crls = new LinkedList();
                for (Iterator it = certStores.iterator(); it.hasNext();)
                  {
                    CertStore cs = (CertStore) it.next();
View Full Code Here

          {
          }
      }
    try
      {
        X509CertSelectorImpl select = new X509CertSelectorImpl();
        select.addSubjectName(crl.getIssuerDN());
        List certs = new LinkedList();
        for (Iterator it = certStores.iterator(); it.hasNext();)
          {
            CertStore cs = (CertStore) it.next();
            try
View Full Code Here

          {
          }
      }
    if (e == null)
      throw new CertPathValidatorException("no basicConstraints");
    BasicConstraints bc = (BasicConstraints) e.getValue();
    if (! bc.isCA())
      throw new CertPathValidatorException(
          "certificate cannot be used to verify signatures");
    if (bc.getPathLengthConstraint() >= 0
        && bc.getPathLengthConstraint() < pathLen)
      throw new CertPathValidatorException("path is too long");

    boolean[] keyUsage = cert.getKeyUsage();
    if (keyUsage != null)
      {
View Full Code Here

          }
      }
    while (! stack.isEmpty());

    Extension e = null;
    CertificatePolicies policies = null;
    List qualifierInfos = null;
    if (cert instanceof GnuPKIExtension)
      {
        e = ((GnuPKIExtension) cert).getExtension(CertificatePolicies.ID);
        if (e != null)
          policies = (CertificatePolicies) e.getValue();
      }

    List cp = null;
    if (policies != null)
      cp = policies.getPolicies();
    else
      cp = Collections.EMPTY_LIST;
    boolean match = false;
    if (Configuration.DEBUG)
      {
        log.fine("nodes are == " + nodes);
        log.fine("cert policies are == " + cp);
      }
    for (Iterator it = nodes.iterator(); it.hasNext();)
      {
        PolicyNodeImpl parent = (PolicyNodeImpl) it.next();
        if (Configuration.DEBUG)
          log.fine("adding policies to " + parent);
        for (Iterator it2 = cp.iterator(); it2.hasNext();)
          {
            OID policy = (OID) it2.next();
            if (Configuration.DEBUG)
              log.fine("trying to add policy == " + policy);
            if (policy.toString().equals(ANY_POLICY)
                && params.isAnyPolicyInhibited())
              continue;
            PolicyNodeImpl child = new PolicyNodeImpl();
            child.setValidPolicy(policy.toString());
            child.addExpectedPolicy(policy.toString());
            if (parent.getExpectedPolicies().contains(policy.toString()))
              {
                parent.addChild(child);
                match = true;
              }
            else if (parent.getExpectedPolicies().contains(ANY_POLICY))
              {
                parent.addChild(child);
                match = true;
              }
            else if (ANY_POLICY.equals(policy.toString()))
              {
                parent.addChild(child);
                match = true;
              }
            if (match && policies != null)
              {
                List qualifiers = policies.getPolicyQualifierInfos(policy);
                if (qualifiers != null)
                  child.addAllPolicyQualifiers(qualifiers);
              }
          }
      }
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          return false;
      }

    if (policy != null)
      {
        CertificatePolicies policies = null;
        if (cert instanceof GnuPKIExtension)
          {
            policies = (CertificatePolicies)
              ((GnuPKIExtension) cert).getExtension(CertificatePolicies.ID).getValue();
          }
        else
          {
            byte[] policiesDer =
              cert.getExtensionValue(CertificatePolicies.ID.toString());
            try
              {
                policies = new CertificatePolicies(policiesDer);
              }
            catch (IOException ioe)
              {
                // ignored
              }
          }
       
        if (policies == null)
          return false;
        if (!policies.getPolicies().containsAll(policy))
          return false;
      }

    if (pathToNames != null)
      {
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  public boolean hasUnsupportedCriticalExtension()
  {
    for (Iterator it = extensions.values().iterator(); it.hasNext(); )
      {
        Extension e = (Extension) it.next();
        if (e.isCritical() && !e.isSupported())
          return true;
      }
    return false;
  }
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  public Set getCriticalExtensionOIDs()
  {
    HashSet s = new HashSet();
    for (Iterator it = extensions.values().iterator(); it.hasNext(); )
      {
        Extension e = (Extension) it.next();
        if (e.isCritical())
          s.add(e.getOid().toString());
      }
    return Collections.unmodifiableSet(s);
  }
View Full Code Here

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