/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.xml.security.test.stax.encryption;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.security.Key;
import java.security.Provider;
import java.security.PublicKey;
import java.security.Security;
import java.util.ArrayList;
import java.util.List;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;
import org.apache.xml.security.encryption.EncryptedData;
import org.apache.xml.security.encryption.EncryptedKey;
import org.apache.xml.security.encryption.XMLCipher;
import org.apache.xml.security.keys.KeyInfo;
import org.apache.xml.security.stax.ext.InboundXMLSec;
import org.apache.xml.security.stax.ext.XMLSec;
import org.apache.xml.security.stax.ext.XMLSecurityConstants;
import org.apache.xml.security.stax.ext.XMLSecurityProperties;
import org.apache.xml.security.test.dom.DSNamespaceContext;
import org.apache.xml.security.test.stax.signature.TestSecurityEventListener;
import org.apache.xml.security.test.stax.utils.StAX2DOM;
import org.apache.xml.security.test.stax.utils.XMLSecEventAllocator;
import org.apache.xml.security.utils.XMLUtils;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
/**
* A test to make sure that the various Symmetric Encryption algorithms are working
*/
public class SymmetricEncryptionVerificationTest extends org.junit.Assert {
private XMLInputFactory xmlInputFactory;
private TransformerFactory transformerFactory = TransformerFactory.newInstance();
@Before
public void setUp() throws Exception {
org.apache.xml.security.Init.init();
xmlInputFactory = XMLInputFactory.newInstance();
xmlInputFactory.setEventAllocator(new XMLSecEventAllocator());
//
// If the BouncyCastle provider is not installed, then try to load it
// via reflection.
//
if (Security.getProvider("BC") == null) {
Constructor<?> cons = null;
try {
Class<?> c = Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider");
cons = c.getConstructor(new Class[] {});
} catch (Exception e) {
//ignore
}
if (cons == null) {
// BouncyCastle is not available so just return
return;
} else {
Provider provider = (java.security.Provider)cons.newInstance();
Security.insertProviderAt(provider, 2);
}
}
}
@Test
public void testAES128() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("AES");
keygen.init(128);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2001/04/xmlenc#aes128-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testAES128_GCM() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("AES");
keygen.init(128);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2009/xmlenc11#aes128-gcm";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testAES192() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("AES");
keygen.init(192);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2001/04/xmlenc#aes192-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testAES192_GCM() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("AES");
keygen.init(192);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2009/xmlenc11#aes192-gcm";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testAES256() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("AES");
keygen.init(256);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2001/04/xmlenc#aes256-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testAES256_GCM() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("AES");
keygen.init(256);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2009/xmlenc11#aes256-gcm";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testTRIPLE_DES() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("DESede");
keygen.init(192);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2001/04/xmlenc#tripledes-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testSEED_128() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("SEED");
keygen.init(128);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2007/05/xmldsig-more#seed128-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testCAMELLIA_128() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("Camellia");
keygen.init(128);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2001/04/xmldsig-more#camellia128-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testCAMELLIA_192() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("Camellia");
keygen.init(192);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2001/04/xmldsig-more#camellia192-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
@Test
public void testCAMELLIA_256() throws Exception {
// Read in plaintext document
InputStream sourceDocument =
this.getClass().getClassLoader().getResourceAsStream(
"ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
Document document = builder.parse(sourceDocument);
// Set up the Key
KeyGenerator keygen = KeyGenerator.getInstance("Camellia");
keygen.init(256);
SecretKey key = keygen.generateKey();
// Encrypt using DOM
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String algorithm = "http://www.w3.org/2001/04/xmldsig-more#camellia256-cbc";
encryptUsingDOM(
algorithm, key, null, null, document, localNames, false
);
// Check the CreditCard encrypted ok
NodeList nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 0);
// XMLUtils.outputDOM(document, System.out);
// Convert Document to a Stream Reader
javax.xml.transform.Transformer transformer = transformerFactory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(key);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);
document = StAX2DOM.readDoc(XMLUtils.createDocumentBuilder(false), securityStreamReader);
// Check the CreditCard decrypted ok
nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
Assert.assertEquals(nodeList.getLength(), 1);
}
private void encryptUsingDOM(
String algorithm,
SecretKey secretKey,
String keyTransportAlgorithm,
Key wrappingKey,
Document document,
List<String> localNames,
boolean content
) throws Exception {
encryptUsingDOM(algorithm, secretKey, keyTransportAlgorithm, wrappingKey, false,
document, localNames, content);
}
/**
* Encrypt the document using DOM APIs and run some tests on the encrypted Document.
*/
private void encryptUsingDOM(
String algorithm,
SecretKey secretKey,
String keyTransportAlgorithm,
Key wrappingKey,
boolean includeWrappingKeyInfo,
Document document,
List<String> localNames,
boolean content
) throws Exception {
XMLCipher cipher = XMLCipher.getInstance(algorithm);
cipher.init(XMLCipher.ENCRYPT_MODE, secretKey);
if (wrappingKey != null) {
XMLCipher newCipher = XMLCipher.getInstance(keyTransportAlgorithm);
newCipher.init(XMLCipher.WRAP_MODE, wrappingKey);
EncryptedKey encryptedKey = newCipher.encryptKey(document, secretKey);
if (includeWrappingKeyInfo && wrappingKey instanceof PublicKey) {
// Create a KeyInfo for the EncryptedKey
KeyInfo encryptedKeyKeyInfo = encryptedKey.getKeyInfo();
if (encryptedKeyKeyInfo == null) {
encryptedKeyKeyInfo = new KeyInfo(document);
encryptedKeyKeyInfo.getElement().setAttributeNS(
"http://www.w3.org/2000/xmlns/", "xmlns:dsig", "http://www.w3.org/2000/09/xmldsig#"
);
encryptedKey.setKeyInfo(encryptedKeyKeyInfo);
}
encryptedKeyKeyInfo.add((PublicKey)wrappingKey);
}
EncryptedData builder = cipher.getEncryptedData();
KeyInfo builderKeyInfo = builder.getKeyInfo();
if (builderKeyInfo == null) {
builderKeyInfo = new KeyInfo(document);
builderKeyInfo.getElement().setAttributeNS(
"http://www.w3.org/2000/xmlns/", "xmlns:dsig", "http://www.w3.org/2000/09/xmldsig#"
);
builder.setKeyInfo(builderKeyInfo);
}
builderKeyInfo.add(encryptedKey);
}
XPathFactory xpf = XPathFactory.newInstance();
XPath xpath = xpf.newXPath();
xpath.setNamespaceContext(new DSNamespaceContext());
for (String localName : localNames) {
String expression = "//*[local-name()='" + localName + "']";
Element elementToEncrypt =
(Element) xpath.evaluate(expression, document, XPathConstants.NODE);
Assert.assertNotNull(elementToEncrypt);
document = cipher.doFinal(document, elementToEncrypt, content);
}
NodeList nodeList = document.getElementsByTagNameNS(
XMLSecurityConstants.TAG_xenc_EncryptedData.getNamespaceURI(),
XMLSecurityConstants.TAG_xenc_EncryptedData.getLocalPart()
);
Assert.assertTrue(nodeList.getLength() > 0);
}
}