Java Code Examples for java.security.cert.CertificateEncodingException

private int calculateHashCode()
{
    try
    {
        int hashCode = 0;
        byte[] certData = this.getEncoded();
        for (int i = 1; i < certData.length; i++)
        {
             hashCode += certData[i] * i;
        }
        return hashCode;
    }
    catch (CertificateEncodingException e)
    {
        return 0;
    }
}
 

/**
 * 根据单个crt的内容，找父证书，
 * @param sonCert
 * @return String crt's address
 */
public String findFatherCert(X509Certificate sonCert) throws CertificateEncodingException {
    log.debug("start findFatherCert. son cert: {}", NodeMgrTools.getCertFingerPrint(sonCert.getEncoded()));
    List<X509Certificate> x509CertList = loadAllX509Certs();
    String result = "";
    for(int i = 0; i < x509CertList.size(); i++) {
        X509Certificate temp = x509CertList.get(i);
        try{
            sonCert.verify(temp.getPublicKey());
        }catch (Exception e) {
            // 签名不匹配则继续
            continue;
        }
        // 返回指纹
        result = NodeMgrTools.getCertFingerPrint(temp.getEncoded());
    }
    log.debug("end findFatherCert. find one FatherCert's finerPrint:{}", result);
    return result;
}
 

private static X509Cert getCaCertOf(X509Cert cert, Collection<X509Cert> caCerts)
    throws CertificateEncodingException {
  Args.notNull(cert, "cert");
  if (cert.isSelfSigned()) {
    return null;
  }

  for (X509Cert caCert : caCerts) {
    if (!issues(caCert, cert)) {
      continue;
    }

    try {
      cert.verify(caCert.getPublicKey());
      return caCert;
    } catch (Exception ex) {
      LOG.warn("could not verify certificate: {}", ex.getMessage());
    }
  }

  return null;
}
 

@GetMapping(
    value = "",
    produces = MediaType.APPLICATION_JSON_UTF8_VALUE
)
@ApiOperation(
    value = "Returns all base information about request",
    notes = "Data contains sign information, headers and content")
@ApiResponses( value = {
    @ApiResponse(code = 200, message = "Information from request", response = RequestInfo.class),
    @ApiResponse(code = 500, message = "Error in parsing of request ")
})
@ResponseBody
public RequestInfo getRequestInfo(HttpServletRequest httpServletRequest) throws CertificateEncodingException, IOException {
    RequestInfo out = new RequestInfo();

    setCerts(httpServletRequest, out);
    setHeaders(httpServletRequest, out);
    setCookie(httpServletRequest, out);
    setContent(httpServletRequest, out);

    return out; // NOSONAR
}
 

public IssuerEntry(X509Cert cert) throws IOException, CertificateEncodingException {
  this.cert = Args.notNull(cert, "cert");
  byte[] encodedName = cert.getSubject().getEncoded("DER");
  byte[] encodedKey = cert.getSubjectPublicKeyInfo().getPublicKeyData().getBytes();

  Map<HashAlgo, byte[]> hashes = new HashMap<>();
  for (HashAlgo ha : HashAlgo.values()) {
    int hlen = ha.getLength();
    byte[] nameAndKeyHash = new byte[(2 + hlen) << 1];
    int offset = 0;
    nameAndKeyHash[offset++] = 0x04;
    nameAndKeyHash[offset++] = (byte) hlen;
    System.arraycopy(ha.hash(encodedName), 0, nameAndKeyHash, offset, hlen);
    offset += hlen;

    nameAndKeyHash[offset++] = 0x04;
    nameAndKeyHash[offset++] = (byte) hlen;
    System.arraycopy(ha.hash(encodedKey), 0, nameAndKeyHash, offset, hlen);

    hashes.put(ha, nameAndKeyHash);
  }
  this.issuerHashMap = hashes;
}
 

private void writeCertArray(Writer writer, Certificate[] certificates) throws IOException {
  if (certificates == null) {
    writer.write("-1\n");
    return;
  }
  try {
    writer.write(Integer.toString(certificates.length) + '\n');
    for (Certificate certificate : certificates) {
      byte[] bytes = certificate.getEncoded();
      String line = Base64.encode(bytes);
      writer.write(line + '\n');
    }
  } catch (CertificateEncodingException e) {
    throw new IOException(e.getMessage());
  }
}
 

@Test
public void test_handleIntentSetupProvider_happyPath_no_preseededProviderAndCA() throws IOException, CertificateEncodingException, NoSuchAlgorithmException, JSONException {
    Provider provider = new Provider("https://riseup.net");

    mockFingerprintForCertificate("a5244308a1374709a9afce95e3ae47c1b44bc2398c0a70ccbf8b3a8a97f29494");
    mockProviderApiConnector(NO_ERROR);
    providerApiManager = new ProviderApiManager(mockPreferences, mockResources, mockClientGenerator(), new TestProviderApiServiceCallback());
    Bundle expectedResult = mockBundle();

    expectedResult.putBoolean(BROADCAST_RESULT_KEY, true);
    expectedResult.putParcelable(PROVIDER_KEY, provider);

    Intent providerApiCommand = mockIntent();

    providerApiCommand.setAction(ProviderAPI.SET_UP_PROVIDER);
    providerApiCommand.putExtra(ProviderAPI.RECEIVER_KEY, mockResultReceiver(PROVIDER_OK, expectedResult));
    providerApiCommand.putExtra(PROVIDER_KEY, provider);

    providerApiManager.handleIntent(providerApiCommand);
}
 

@Override
public void setSignature(String signatureAlgorithm, X509Credential cred) throws IdentityProviderException {
    Signature signature = (Signature) buildXMLObject(Signature.DEFAULT_ELEMENT_NAME);
    signature.setSigningCredential(cred);
    signature.setSignatureAlgorithm(signatureAlgorithm);
    signature.setCanonicalizationAlgorithm(Canonicalizer.ALGO_ID_C14N_EXCL_OMIT_COMMENTS);

    try {
        KeyInfo keyInfo = (KeyInfo) buildXMLObject(KeyInfo.DEFAULT_ELEMENT_NAME);
        X509Data data = (X509Data) buildXMLObject(X509Data.DEFAULT_ELEMENT_NAME);
        X509Certificate cert = (X509Certificate) buildXMLObject(X509Certificate.DEFAULT_ELEMENT_NAME);
        String value = Base64.encode(cred.getEntityCertificate().getEncoded());
        cert.setValue(value);
        data.getX509Certificates().add(cert);
        keyInfo.getX509Datas().add(data);
        signature.setKeyInfo(keyInfo);
    } catch (CertificateEncodingException e) {
        log.error("Failed to get encoded certificate", e);
        throw new IdentityProviderException("Error while getting encoded certificate");
    }

    assertion.setSignature(signature);
    signatureList.add(signature);
}
 

public IqPacket publishVerification(byte[] signature, X509Certificate[] certificates, final int deviceId) {
    final Element item = new Element("item");
    item.setAttribute("id", "current");
    final Element verification = item.addChild("verification", AxolotlService.PEP_PREFIX);
    final Element chain = verification.addChild("chain");
    for (int i = 0; i < certificates.length; ++i) {
        try {
            Element certificate = chain.addChild("certificate");
            certificate.setContent(Base64.encodeToString(certificates[i].getEncoded(), Base64.NO_WRAP));
            certificate.setAttribute("index", i);
        } catch (CertificateEncodingException e) {
            Log.d(Config.LOGTAG, "could not encode certificate");
        }
    }
    verification.addChild("signature").setContent(Base64.encodeToString(signature, Base64.NO_WRAP));
    return publish(AxolotlService.PEP_VERIFICATION + ":" + deviceId, item);
}
 

private InternalMessage createMessage()
{
    List<Object> messageList = new ArrayList<>();
    for (Certificate cert : _certCache.get())
    {
        try
        {
            messageList.add(cert.getEncoded());
        }
        catch (CertificateEncodingException e)
        {
            LOGGER.error("Could not encode certificate of type " + cert.getType(), e);
        }
    }
    InternalMessageHeader header = new InternalMessageHeader(Collections.<String,Object>emptyMap(),
                                                             null, 0L, null, null, UUID.randomUUID().toString(),
                                                             null, null, (byte)4, System.currentTimeMillis(),
                                                             0L, null, null, System.currentTimeMillis());
    return InternalMessage.createListMessage(_virtualHost.getMessageStore(), header, messageList);
}
 

@Test
public void test_handleIntentSetupProvider_happyPath_preseededProviderAndCA() throws IOException, CertificateEncodingException, NoSuchAlgorithmException, JSONException {
    Provider provider = getConfiguredProvider();

    mockFingerprintForCertificate(" a5244308a1374709a9afce95e3ae47c1b44bc2398c0a70ccbf8b3a8a97f29494");
    mockProviderApiConnector(NO_ERROR);
    providerApiManager = new ProviderApiManager(mockPreferences, mockResources, mockClientGenerator(), new TestProviderApiServiceCallback());
    Bundle expectedResult = mockBundle();

    expectedResult.putBoolean(BROADCAST_RESULT_KEY, true);
    expectedResult.putParcelable(PROVIDER_KEY, provider);

    Intent providerApiCommand = mockIntent();

    providerApiCommand.putExtra(PROVIDER_KEY, provider);
    providerApiCommand.setAction(ProviderAPI.SET_UP_PROVIDER);
    providerApiCommand.putExtra(ProviderAPI.RECEIVER_KEY, mockResultReceiver(PROVIDER_OK, expectedResult));

    providerApiManager.handleIntent(providerApiCommand);
}
 

public SigningCertificateLineage build()
        throws CertificateEncodingException, InvalidKeyException, NoSuchAlgorithmException,
        SignatureException {
    if (mMinSdkVersion < AndroidSdkVersion.P) {
        mMinSdkVersion = AndroidSdkVersion.P;
    }

    if (mOriginalCapabilities == null) {
        mOriginalCapabilities = new SignerCapabilities.Builder().build();
    }

    if (mNewCapabilities == null) {
        mNewCapabilities = new SignerCapabilities.Builder().build();
    }

    return createSigningLineage(
            mMinSdkVersion, mOriginalSignerConfig, mOriginalCapabilities,
            mNewSignerConfig, mNewCapabilities);
}
 

/**
 * Gets the requested finger print of the certificate.
 */
private static String getCertificateFingerPrint(String mdAlg,
                                                X509Certificate cert) {
    String fingerPrint = "";
    try {
        byte[] encCertInfo = cert.getEncoded();
        MessageDigest md = MessageDigest.getInstance(mdAlg);
        byte[] digest = md.digest(encCertInfo);
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < digest.length; i++) {
            byte2hex(digest[i], buf);
        }
        fingerPrint = buf.toString();
    } catch (NoSuchAlgorithmException | CertificateEncodingException e) {
        // ignored
    }
    return fingerPrint;
}
 

public boolean setIdentityKeyCertificate(Account account, String fingerprint, X509Certificate x509Certificate) {
    SQLiteDatabase db = this.getWritableDatabase();
    String[] selectionArgs = {
            account.getUuid(),
            fingerprint
    };
    try {
        ContentValues values = new ContentValues();
        values.put(SQLiteAxolotlStore.CERTIFICATE, x509Certificate.getEncoded());
        return db.update(SQLiteAxolotlStore.IDENTITIES_TABLENAME, values,
                SQLiteAxolotlStore.ACCOUNT + " = ? AND "
                        + SQLiteAxolotlStore.FINGERPRINT + " = ? ",
                selectionArgs) == 1;
    } catch (CertificateEncodingException e) {
        Log.d(Config.LOGTAG, "could not encode certificate");
        return false;
    }
}
 

public Certificate(X509Certificate[] certs) throws CertificateEncodingException, IOException {
	super(TLS.HANDSHAKE_MSG_TYPE_CERTIFICATE, 0, new byte[] {});
	
	ByteArrayOutputStream chainStream = new ByteArrayOutputStream();
	
	for(int i = 0; i < certs.length; i++) {
		// Add 3 byte size
		chainStream.write(Utils.getbytes24(certs[i].getEncoded().length));
		// Add certificate
		chainStream.write(certs[i].getEncoded());
	}
	
	byte[] chain = chainStream.toByteArray();
	
	ByteArrayOutputStream outStream = new ByteArrayOutputStream();
	outStream.write(Utils.getbytes24(chain.length));
	outStream.write(chain);
	
	payload = outStream.toByteArray();
	length = payload.length;
}
 

@Test
public void test_handleIntentSetupProvider_happyPath_storedProviderAndCAFromPreviousSetup() throws IOException, CertificateEncodingException, NoSuchAlgorithmException, JSONException {
    Provider provider = new Provider("https://riseup.net");
    mockPreferenceHelper(getConfiguredProvider());
    mockConfigHelper("a5244308a1374709a9afce95e3ae47c1b44bc2398c0a70ccbf8b3a8a97f29494");
    mockProviderApiConnector(NO_ERROR);
    mockPreferences.edit().putString(Provider.KEY + ".riseup.net", getInputAsString(getClass().getClassLoader().getResourceAsStream("riseup.net.json"))).apply();
    mockPreferences.edit().putString(Provider.CA_CERT + ".riseup.net", getInputAsString(getClass().getClassLoader().getResourceAsStream("riseup.net.pem"))).apply();
    providerApiManager = new ProviderApiManager(mockPreferences, mockResources, mockClientGenerator(), new TestProviderApiServiceCallback());

    Bundle expectedResult = mockBundle();
    expectedResult.putBoolean(BROADCAST_RESULT_KEY, true);
    expectedResult.putParcelable(PROVIDER_KEY, provider);

    Intent providerApiCommand = mockIntent();
    providerApiCommand.setAction(ProviderAPI.SET_UP_PROVIDER);
    providerApiCommand.putExtra(ProviderAPI.RECEIVER_KEY, mockResultReceiver(PROVIDER_OK, expectedResult));

    providerApiCommand.putExtra(PROVIDER_KEY, provider);

    providerApiManager.handleIntent(providerApiCommand);
}
 

@Override
	public Attribute getValue() throws SignerException {
		try {
			X509Certificate cert = (X509Certificate) certificates[0];
			X509Certificate issuerCert = (X509Certificate) certificates[1];
			Digest digest = DigestFactory.getInstance().factoryDefault();
			digest.setAlgorithm(DigestAlgorithmEnum.SHA_256);
			byte[] certHash = digest.digest(cert.getEncoded());
			X500Name dirName = new X500Name(issuerCert.getSubjectX500Principal().getName());
			GeneralName name = new GeneralName(dirName);
			GeneralNames issuer = new GeneralNames(name);
			ASN1Integer serialNumber = new ASN1Integer(cert.getSerialNumber());
			IssuerSerial issuerSerial = new IssuerSerial(issuer, serialNumber);
			AlgorithmIdentifier algId = new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256);// SHA-256
			ESSCertIDv2 essCertIDv2 = new ESSCertIDv2(algId, certHash, issuerSerial);
//			return new Attribute(new ASN1ObjectIdentifier(identifier), new DERSet(new DERSequence(essCertIDv2)));
			return new Attribute(new ASN1ObjectIdentifier(identifier), new DERSet(new DERSequence(
					new ASN1Encodable[] { new DERSequence(essCertIDv2) })));
		} catch (CertificateEncodingException ex) {
			throw new SignerException(ex.getMessage());
		}
	}
 

/**
 * Returns the intermediate certificates (sub CAs) from a given certificate chain.
 * 
 * @param certChain The certificate chain given as an array of Certificate instances
 * @return The sub certificates given as a list of byte arrays contained in a SubCertiticatesType instance
 */
public static SubCertificatesType getSubCertificates(Certificate[] certChain) {
	SubCertificatesType subCertificates = new SubCertificatesType();
	
	for (Certificate cert : certChain) {
		X509Certificate x509Cert = (X509Certificate) cert;
		// Check whether the pathLen constraint is set which indicates if this certificate is a CA
		if (x509Cert.getBasicConstraints() != -1)
			try {
				subCertificates.getCertificate().add(x509Cert.getEncoded());
			} catch (CertificateEncodingException e) {
				X500Principal subject = x509Cert.getIssuerX500Principal();
				getLogger().error("A CertificateEncodingException occurred while trying to get certificate " +
								  "with distinguished name '" + subject.getName().toString() + "'", e);
			}
	}
	
	if (subCertificates.getCertificate().size() == 0) {
		getLogger().warn("No intermediate CAs found in given certificate array");
	}
	
	return subCertificates;
}
 

/**
 * Gets the requested finger print of the certificate.
 */
private static String getCertificateFingerPrint(String mdAlg,
                                                X509Certificate cert) {
    String fingerPrint = "";
    try {
        byte[] encCertInfo = cert.getEncoded();
        MessageDigest md = MessageDigest.getInstance(mdAlg);
        byte[] digest = md.digest(encCertInfo);
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < digest.length; i++) {
            byte2hex(digest[i], buf);
        }
        fingerPrint = buf.toString();
    } catch (NoSuchAlgorithmException | CertificateEncodingException e) {
        // ignored
    }
    return fingerPrint;
}
 

private byte[] toDEREncoded(ASN1Encodable obj)
    throws CertificateEncodingException
{
    try
    {
        return obj.toASN1Primitive().getEncoded(ASN1Encoding.DER);
    }
    catch (IOException e)
    {
        throw new CertificateEncodingException("Exception thrown: " + e);
    }
}
 

private PrivateKey resolveX509Certificate(
    XMLX509Certificate x509Cert
) throws XMLSecurityException, KeyStoreException {
    log.log(java.util.logging.Level.FINE, "Can I resolve X509Certificate?");
    byte[] x509CertBytes = x509Cert.getCertificateBytes();

    Enumeration<String> aliases = keyStore.aliases();
    while (aliases.hasMoreElements()) {
        String alias = aliases.nextElement();
        if (keyStore.isKeyEntry(alias)) {

            Certificate cert = keyStore.getCertificate(alias);
            if (cert instanceof X509Certificate) {
                byte[] certBytes = null;

                try {
                    certBytes = cert.getEncoded();
                } catch (CertificateEncodingException e1) {
                }

                if (certBytes != null && Arrays.equals(certBytes, x509CertBytes)) {
                    log.log(java.util.logging.Level.FINE, "match !!! ");

                    try {
                        Key key = keyStore.getKey(alias, password);
                        if (key instanceof PrivateKey) {
                            return (PrivateKey) key;
                        }
                    }
                    catch (Exception e) {
                        log.log(java.util.logging.Level.FINE, "Cannot recover the key", e);
                        // Keep searching
                    }
                }
            }
        }
    }

    return null;
}
 

/**
 * @param cert
 * @param formatter
 * @return
 * @throws CertificateEncodingException
 */
private static CertData fillCertData(X509Certificate cert, Format formatter)
        throws CertificateEncodingException {

    CertData certData = new CertData();
    certData.setSubjectDN(cert.getSubjectDN().getName());
    certData.setIssuerDN(cert.getIssuerDN().getName());
    certData.setSerialNumber(cert.getSerialNumber());
    certData.setVersion(cert.getVersion());
    certData.setNotAfter(formatter.format(cert.getNotAfter()));
    certData.setNotBefore(formatter.format(cert.getNotBefore()));
    certData.setPublicKey(Base64.encode(cert.getPublicKey().getEncoded()));
    return certData;
}
 

protected static void printCert(String prefix, X509Cert cert)
          throws CertificateEncodingException {
  System.out.println(prefix);
  System.out.print("Subject: ");
  System.out.println(cert.getSubjectRfc4519Text());
  System.out.print(" Issuer: ");
  System.out.println(cert.getIssuerRfc4519Text());
  System.out.print(" Serial: " + cert.getSerialNumberHex());
  System.out.println("NotBefore: " + cert.getNotBefore());
  System.out.println(" NotAfter: " + cert.getNotAfter());
  String pemCert = toPEM("CERTIFICATE", cert.getEncoded());
  System.out.println(pemCert);
}
 

private static List<String> getCommonNames(X509Certificate certificate) {
    List<String> domains = new ArrayList<>();
    try {
        X500Name x500name = new JcaX509CertificateHolder(certificate).getSubject();
        RDN[] rdns = x500name.getRDNs(BCStyle.CN);
        for (int i = 0; i < rdns.length; ++i) {
            domains.add(IETFUtils.valueToString(x500name.getRDNs(BCStyle.CN)[i].getFirst().getValue()));
        }
        return domains;
    } catch (CertificateEncodingException e) {
        return domains;
    }
}
 

/**
 * Returns the encoded form of this certification path, using
 * the default encoding.
 *
 * @return the encoded bytes
 * @exception CertificateEncodingException if an encoding error occurs
 **/
   public byte[] getEncoded()
throws CertificateEncodingException
   {
Iterator iter = getEncodings();
if ( iter.hasNext() )
{
    Object enc = iter.next();
    if ( enc instanceof String )
    {
	return getEncoded((String)enc);
    }
}
return null;
   }
 

public static Pair<Jid, String> extractJidAndName(X509Certificate certificate) throws CertificateEncodingException, IllegalArgumentException, CertificateParsingException {
    Collection<List<?>> alternativeNames = certificate.getSubjectAlternativeNames();
    List<String> emails = new ArrayList<>();
    if (alternativeNames != null) {
        for (List<?> san : alternativeNames) {
            Integer type = (Integer) san.get(0);
            if (type == 1) {
                emails.add((String) san.get(1));
            }
        }
    }
    X500Name x500name = new JcaX509CertificateHolder(certificate).getSubject();
    if (emails.size() == 0 && x500name.getRDNs(BCStyle.EmailAddress).length > 0) {
        emails.add(IETFUtils.valueToString(x500name.getRDNs(BCStyle.EmailAddress)[0].getFirst().getValue()));
    }
    String name = x500name.getRDNs(BCStyle.CN).length > 0 ? IETFUtils.valueToString(x500name.getRDNs(BCStyle.CN)[0].getFirst().getValue()) : null;
    if (emails.size() >= 1) {
        return new Pair<>(Jid.of(emails.get(0)), name);
    } else if (name != null) {
        try {
            Jid jid = Jid.of(name);
            if (jid.isBareJid() && jid.getLocal() != null) {
                return new Pair<>(jid, null);
            }
        } catch (IllegalArgumentException e) {
            return null;
        }
    }
    return null;
}
 

public static String getThumbPrint(X509Certificate cert)
    throws NoSuchAlgorithmException, CertificateEncodingException {
  MessageDigest md = MessageDigest.getInstance("SHA-1");
  byte[] der = cert.getEncoded();
  md.update(der);
  byte[] digest = md.digest();
  return hexify(digest);
}
 

static Security toSecurity(InternalChannelz.Security security) {
  Preconditions.checkNotNull(security);
  Preconditions.checkState(
      security.tls != null ^ security.other != null,
      "one of tls or othersecurity must be non null");
  if (security.tls != null) {
    Tls.Builder tlsBuilder
        = Tls.newBuilder().setStandardName(security.tls.cipherSuiteStandardName);
    try {
      if (security.tls.localCert != null) {
        tlsBuilder.setLocalCertificate(ByteString.copyFrom(
            security.tls.localCert.getEncoded()));
      }
      if (security.tls.remoteCert != null) {
        tlsBuilder.setRemoteCertificate(ByteString.copyFrom(
            security.tls.remoteCert.getEncoded()));
      }
    } catch (CertificateEncodingException e) {
      logger.log(Level.FINE, "Caught exception", e);
    }
    return Security.newBuilder().setTls(tlsBuilder).build();
  } else {
    OtherSecurity.Builder builder = OtherSecurity.newBuilder().setName(security.other.name);
    if (security.other.any != null) {
      builder.setValue((Any) security.other.any);
    }
    return Security.newBuilder().setOther(builder).build();
  }
}
 

private JWSHeader buildJWSHeader() throws KeyResolverException, CertificateEncodingException,
        NoSuchAlgorithmException {

    String certThumbPrint = null;
    certThumbPrint = CertificateUtils.getThumbPrint(CertificateUtils.getKeyResolver().getCertificate());
    headerBuilder.keyID(certThumbPrint);
    headerBuilder.x509CertThumbprint(new Base64URL(certThumbPrint));
    return headerBuilder.build();
}
 

public static KeyInfoType getKeyInfo(X509Certificate cert) throws CertificateEncodingException {
    KeyInfoType keyInfo = new KeyInfoType();
    JAXBElement<byte[]> certificate = new ObjectFactory().createX509DataTypeX509Certificate(cert.getEncoded());
    X509DataType x509DataType = new X509DataType();
    List<Object> x509DataContent = x509DataType.getX509IssuerSerialOrX509SKIOrX509SubjectName();
    x509DataContent.add(certificate);
    JAXBElement<X509DataType> x509Data = new ObjectFactory().createX509Data(x509DataType);
    List<Object> keyInfoContent = keyInfo.getContent();
    keyInfoContent.add(x509Data);
    return keyInfo;
}