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Posted to commits@santuario.apache.org by co...@apache.org on 2014/06/09 12:16:51 UTC

svn commit: r1601334 - /santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/encryption/KeyWrapEncryptionVerificationTest.java

Author: coheigea
Date: Mon Jun  9 10:16:50 2014
New Revision: 1601334

URL: http://svn.apache.org/r1601334
Log:
Added more streaming decryption tests

Added:
    santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/encryption/KeyWrapEncryptionVerificationTest.java

Added: santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/encryption/KeyWrapEncryptionVerificationTest.java
URL: http://svn.apache.org/viewvc/santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/encryption/KeyWrapEncryptionVerificationTest.java?rev=1601334&view=auto
==============================================================================
--- santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/encryption/KeyWrapEncryptionVerificationTest.java (added)
+++ santuario/xml-security-java/trunk/src/test/java/org/apache/xml/security/test/stax/encryption/KeyWrapEncryptionVerificationTest.java Mon Jun  9 10:16:50 2014
@@ -0,0 +1,537 @@
+/**
+ * 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.KeyPair;
+import java.security.KeyPairGenerator;
+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 KeyWrap Decryption algorithms are working
+ */
+public class KeyWrapEncryptionVerificationTest extends org.junit.Assert {
+
+    private XMLInputFactory xmlInputFactory;
+    private TransformerFactory transformerFactory = TransformerFactory.newInstance();
+    private KeyPair rsaKeyPair;
+    
+    @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);
+            }
+        }
+        
+        rsaKeyPair = KeyPairGenerator.getInstance("RSA").genKeyPair();
+    }
+
+    @Test
+    public void testAES128KW() 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();
+        
+        // Set up the Key Wrapping Key
+        XMLCipher cipher = XMLCipher.getInstance(XMLCipher.AES_128_KeyWrap);
+        keygen = KeyGenerator.getInstance("AES");
+        keygen.init(128);
+        SecretKey keyWrappingKey = keygen.generateKey();
+        cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
+        EncryptedKey encryptedKey = cipher.encryptKey(document, key);
+        
+        // Encrypt using DOM
+        List<String> localNames = new ArrayList<String>();
+        localNames.add("PaymentInfo");
+        
+        String encryptionAlgorithm = XMLCipher.AES_128;
+        encrypt(encryptedKey, encryptionAlgorithm, document, localNames, key);
+        
+        // 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(keyWrappingKey);
+        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 testAES192KW() 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();
+        
+        // Set up the Key Wrapping Key
+        XMLCipher cipher = XMLCipher.getInstance(XMLCipher.AES_192_KeyWrap);
+        keygen = KeyGenerator.getInstance("AES");
+        keygen.init(192);
+        SecretKey keyWrappingKey = keygen.generateKey();
+        cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
+        EncryptedKey encryptedKey = cipher.encryptKey(document, key);
+        
+        // Encrypt using DOM
+        List<String> localNames = new ArrayList<String>();
+        localNames.add("PaymentInfo");
+        
+        String encryptionAlgorithm = XMLCipher.AES_192;
+        encrypt(encryptedKey, encryptionAlgorithm, document, localNames, key);
+        
+        // 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(keyWrappingKey);
+        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 testAES256KW() 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();
+        
+        // Set up the Key Wrapping Key
+        XMLCipher cipher = XMLCipher.getInstance(XMLCipher.AES_256_KeyWrap);
+        keygen = KeyGenerator.getInstance("AES");
+        keygen.init(256);
+        SecretKey keyWrappingKey = keygen.generateKey();
+        cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
+        EncryptedKey encryptedKey = cipher.encryptKey(document, key);
+        
+        // Encrypt using DOM
+        List<String> localNames = new ArrayList<String>();
+        localNames.add("PaymentInfo");
+        
+        String encryptionAlgorithm = XMLCipher.AES_256;
+        encrypt(encryptedKey, encryptionAlgorithm, document, localNames, key);
+        
+        // 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(keyWrappingKey);
+        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 testTripleDESKW() 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();
+        
+        // Set up the Key Wrapping Key
+        XMLCipher cipher = XMLCipher.getInstance(XMLCipher.TRIPLEDES_KeyWrap);
+        keygen = KeyGenerator.getInstance("DESede");
+        keygen.init(192);
+        SecretKey keyWrappingKey = keygen.generateKey();
+        cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
+        EncryptedKey encryptedKey = cipher.encryptKey(document, key);
+        
+        // Encrypt using DOM
+        List<String> localNames = new ArrayList<String>();
+        localNames.add("PaymentInfo");
+        
+        String encryptionAlgorithm = XMLCipher.TRIPLEDES;
+        encrypt(encryptedKey, encryptionAlgorithm, document, localNames, key);
+        
+        // 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(keyWrappingKey);
+        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 testRSAv15KW() 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();
+        
+        // Set up the Key Wrapping Key
+        XMLCipher cipher = XMLCipher.getInstance(XMLCipher.RSA_v1dot5);
+        Key keyWrappingKey = rsaKeyPair.getPublic();
+        cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
+        EncryptedKey encryptedKey = cipher.encryptKey(document, key);
+        
+        // Encrypt using DOM
+        List<String> localNames = new ArrayList<String>();
+        localNames.add("PaymentInfo");
+        
+        String encryptionAlgorithm = XMLCipher.TRIPLEDES;
+        encrypt(encryptedKey, encryptionAlgorithm, document, localNames, key);
+        
+        // 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(rsaKeyPair.getPrivate());
+        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 testRSAOAEPKW() 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();
+        
+        // Set up the Key Wrapping Key
+        XMLCipher cipher = XMLCipher.getInstance(XMLCipher.RSA_OAEP);
+        Key keyWrappingKey = rsaKeyPair.getPublic();
+        cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
+        EncryptedKey encryptedKey = cipher.encryptKey(document, key);
+        
+        // Encrypt using DOM
+        List<String> localNames = new ArrayList<String>();
+        localNames.add("PaymentInfo");
+        
+        String encryptionAlgorithm = XMLCipher.TRIPLEDES;
+        encrypt(encryptedKey, encryptionAlgorithm, document, localNames, key);
+        
+        // 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(rsaKeyPair.getPrivate());
+        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 testRSAOAEP11KW() 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();
+        
+        // Set up the Key Wrapping Key
+        XMLCipher cipher = XMLCipher.getInstance(XMLCipher.RSA_OAEP_11);
+        Key keyWrappingKey = rsaKeyPair.getPublic();
+        cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
+        EncryptedKey encryptedKey = cipher.encryptKey(document, key);
+        
+        // Encrypt using DOM
+        List<String> localNames = new ArrayList<String>();
+        localNames.add("PaymentInfo");
+        
+        String encryptionAlgorithm = XMLCipher.TRIPLEDES;
+        encrypt(encryptedKey, encryptionAlgorithm, document, localNames, key);
+        
+        // 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(rsaKeyPair.getPrivate());
+        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 encrypt(
+        EncryptedKey encryptedKey,
+        String algorithm,
+        Document document,
+        List<String> localNames,
+        Key encryptingKey
+    ) throws Exception {
+        XMLCipher cipher = XMLCipher.getInstance(algorithm);
+        cipher.init(XMLCipher.ENCRYPT_MODE, encryptingKey);
+
+        XPathFactory xpf = XPathFactory.newInstance();
+        XPath xpath = xpf.newXPath();
+        xpath.setNamespaceContext(new DSNamespaceContext());
+
+        EncryptedData builder = cipher.getEncryptedData();
+        KeyInfo builderKeyInfo = builder.getKeyInfo();
+        if (builderKeyInfo == null) {
+            builderKeyInfo = new KeyInfo(document);
+            builder.setKeyInfo(builderKeyInfo);
+        }
+        builderKeyInfo.add(encryptedKey);
+
+        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, false);
+        }
+
+        NodeList nodeList = document.getElementsByTagNameNS(
+            XMLSecurityConstants.TAG_xenc_EncryptedData.getNamespaceURI(),
+            XMLSecurityConstants.TAG_xenc_EncryptedData.getLocalPart()
+        );
+        Assert.assertTrue(nodeList.getLength() > 0);
+    }
+
+}