Exemplo n.º 1
0
  /**
   * Checks whether the given certificate is on this CRL.
   *
   * @param cert the certificate to check for.
   * @return true if the given certificate is on this CRL, false otherwise.
   */
  public boolean isRevoked(Certificate cert) {
    if (!cert.getType().equals("X.509")) {
      throw new RuntimeException("X.509 CRL used with non X.509 Cert");
    }

    TBSCertList.CRLEntry[] certs = c.getRevokedCertificates();

    X500Name caName = c.getIssuer();

    if (certs != null) {
      BigInteger serial = ((X509Certificate) cert).getSerialNumber();

      for (int i = 0; i < certs.length; i++) {
        if (isIndirect && certs[i].hasExtensions()) {
          Extension currentCaName =
              certs[i].getExtensions().getExtension(Extension.certificateIssuer);

          if (currentCaName != null) {
            caName =
                X500Name.getInstance(
                    GeneralNames.getInstance(currentCaName.getParsedValue())
                        .getNames()[0]
                        .getName());
          }
        }

        if (certs[i].getUserCertificate().getValue().equals(serial)) {
          X500Name issuer;

          try {
            issuer =
                org.bouncycastle.asn1.x509.Certificate.getInstance(cert.getEncoded()).getIssuer();
          } catch (CertificateEncodingException e) {
            throw new RuntimeException("Cannot process certificate");
          }

          if (!caName.equals(issuer)) {
            return false;
          }

          return true;
        }
      }
    }

    return false;
  }
Exemplo n.º 2
0
  public byte[] getExtensionValue(String oid) {
    Extensions exts = c.getTBSCertList().getExtensions();

    if (exts != null) {
      Extension ext = exts.getExtension(new ASN1ObjectIdentifier(oid));

      if (ext != null) {
        try {
          return ext.getExtnValue().getEncoded();
        } catch (Exception e) {
          throw new IllegalStateException("error parsing " + e.toString());
        }
      }
    }

    return null;
  }
Exemplo n.º 3
0
  private Set loadCRLEntries() {
    Set entrySet = new HashSet();
    Enumeration certs = c.getRevokedCertificateEnumeration();

    X500Name previousCertificateIssuer = c.getIssuer();
    while (certs.hasMoreElements()) {
      TBSCertList.CRLEntry entry = (TBSCertList.CRLEntry) certs.nextElement();
      X509CRLEntryObject crlEntry =
          new X509CRLEntryObject(entry, isIndirect, previousCertificateIssuer);
      entrySet.add(crlEntry);
      if (isIndirect && entry.hasExtensions()) {
        Extension currentCaName = entry.getExtensions().getExtension(Extension.certificateIssuer);

        if (currentCaName != null) {
          previousCertificateIssuer =
              X500Name.getInstance(
                  GeneralNames.getInstance(currentCaName.getParsedValue()).getNames()[0].getName());
        }
      }
    }

    return entrySet;
  }
Exemplo n.º 4
0
  private Set getExtensionOIDs(boolean critical) {
    if (this.getVersion() == 2) {
      Extensions extensions = c.getTBSCertList().getExtensions();

      if (extensions != null) {
        Set set = new HashSet();
        Enumeration e = extensions.oids();

        while (e.hasMoreElements()) {
          ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
          Extension ext = extensions.getExtension(oid);

          if (critical == ext.isCritical()) {
            set.add(oid.getId());
          }
        }

        return set;
      }
    }

    return null;
  }
Exemplo n.º 5
0
  public X509CRLEntry getRevokedCertificate(BigInteger serialNumber) {
    Enumeration certs = c.getRevokedCertificateEnumeration();

    X500Name previousCertificateIssuer = c.getIssuer();
    while (certs.hasMoreElements()) {
      TBSCertList.CRLEntry entry = (TBSCertList.CRLEntry) certs.nextElement();

      if (serialNumber.equals(entry.getUserCertificate().getValue())) {
        return new X509CRLEntryObject(entry, isIndirect, previousCertificateIssuer);
      }

      if (isIndirect && entry.hasExtensions()) {
        Extension currentCaName = entry.getExtensions().getExtension(Extension.certificateIssuer);

        if (currentCaName != null) {
          previousCertificateIssuer =
              X500Name.getInstance(
                  GeneralNames.getInstance(currentCaName.getParsedValue()).getNames()[0].getName());
        }
      }
    }

    return null;
  }
Exemplo n.º 6
0
  /**
   * Returns a string representation of this CRL.
   *
   * @return a string representation of this CRL.
   */
  public String toString() {
    StringBuffer buf = new StringBuffer();
    String nl = System.getProperty("line.separator");

    buf.append("              Version: ").append(this.getVersion()).append(nl);
    buf.append("             IssuerDN: ").append(this.getIssuerDN()).append(nl);
    buf.append("          This update: ").append(this.getThisUpdate()).append(nl);
    buf.append("          Next update: ").append(this.getNextUpdate()).append(nl);
    buf.append("  Signature Algorithm: ").append(this.getSigAlgName()).append(nl);

    byte[] sig = this.getSignature();

    buf.append("            Signature: ").append(new String(Hex.encode(sig, 0, 20))).append(nl);
    for (int i = 20; i < sig.length; i += 20) {
      if (i < sig.length - 20) {
        buf.append("                       ").append(new String(Hex.encode(sig, i, 20))).append(nl);
      } else {
        buf.append("                       ")
            .append(new String(Hex.encode(sig, i, sig.length - i)))
            .append(nl);
      }
    }

    Extensions extensions = c.getTBSCertList().getExtensions();

    if (extensions != null) {
      Enumeration e = extensions.oids();

      if (e.hasMoreElements()) {
        buf.append("           Extensions: ").append(nl);
      }

      while (e.hasMoreElements()) {
        ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
        Extension ext = extensions.getExtension(oid);

        if (ext.getExtnValue() != null) {
          byte[] octs = ext.getExtnValue().getOctets();
          ASN1InputStream dIn = new ASN1InputStream(octs);
          buf.append("                       critical(").append(ext.isCritical()).append(") ");
          try {
            if (oid.equals(Extension.cRLNumber)) {
              buf.append(
                      new CRLNumber(ASN1Integer.getInstance(dIn.readObject()).getPositiveValue()))
                  .append(nl);
            } else if (oid.equals(Extension.deltaCRLIndicator)) {
              buf.append(
                      "Base CRL: "
                          + new CRLNumber(
                              ASN1Integer.getInstance(dIn.readObject()).getPositiveValue()))
                  .append(nl);
            } else if (oid.equals(Extension.issuingDistributionPoint)) {
              buf.append(IssuingDistributionPoint.getInstance(dIn.readObject())).append(nl);
            } else if (oid.equals(Extension.cRLDistributionPoints)) {
              buf.append(CRLDistPoint.getInstance(dIn.readObject())).append(nl);
            } else if (oid.equals(Extension.freshestCRL)) {
              buf.append(CRLDistPoint.getInstance(dIn.readObject())).append(nl);
            } else {
              buf.append(oid.getId());
              buf.append(" value = ").append(ASN1Dump.dumpAsString(dIn.readObject())).append(nl);
            }
          } catch (Exception ex) {
            buf.append(oid.getId());
            buf.append(" value = ").append("*****").append(nl);
          }
        } else {
          buf.append(nl);
        }
      }
    }
    Set set = getRevokedCertificates();
    if (set != null) {
      Iterator it = set.iterator();
      while (it.hasNext()) {
        buf.append(it.next());
        buf.append(nl);
      }
    }
    return buf.toString();
  }