Examples with XMLCipher org.apache.xml.security.encryption.XMLCipher used on opensource projects

Example 21 with XMLCipher

use of org.apache.xml.security.encryption.XMLCipher in project santuario-java by apache.

the class KeyWrapEncryptionAlgorithmTest method encrypt.

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);
}

Example 22 with XMLCipher

use of org.apache.xml.security.encryption.XMLCipher in project santuario-java by apache.

the class KeyWrapEncryptionAlgorithmTest method testSEED128KW.

@org.junit.Test
public void testSEED128KW() throws Exception {
    org.junit.Assume.assumeTrue(bcInstalled);
    // 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();
    // Set up the Key Wrapping Key
    XMLCipher cipher = XMLCipher.getInstance(XMLCipher.SEED_128_KeyWrap);
    keygen = KeyGenerator.getInstance("SEED");
    keygen.init(128);
    SecretKey keyWrappingKey = keygen.generateKey();
    cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
    EncryptedKey encryptedKey = cipher.encryptKey(document, key);
    List<String> localNames = new ArrayList<>();
    localNames.add("PaymentInfo");
    String encryptionAlgorithm = XMLCipher.SEED_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);
    document = decrypt(document, keyWrappingKey);
    // Check the CreditCard decrypted ok
    nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
    Assert.assertEquals(nodeList.getLength(), 1);
}

Example 23 with XMLCipher

use of org.apache.xml.security.encryption.XMLCipher in project santuario-java by apache.

the class KeyWrapEncryptionAlgorithmTest method testAES256KW.

@org.junit.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);
    List<String> localNames = new ArrayList<>();
    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);
    document = decrypt(document, keyWrappingKey);
    // Check the CreditCard decrypted ok
    nodeList = document.getElementsByTagNameNS("urn:example:po", "CreditCard");
    Assert.assertEquals(nodeList.getLength(), 1);
}

Example 24 with XMLCipher

use of org.apache.xml.security.encryption.XMLCipher in project santuario-java by apache.

the class DecryptionTest method encryptUsingDOM.

/**
 * 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, KeyInfo encryptedKeyKeyInfo, 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 (encryptedKeyKeyInfo != null) {
            encryptedKey.setKeyInfo(encryptedKeyKeyInfo);
        }
        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);
}

Example 25 with XMLCipher

use of org.apache.xml.security.encryption.XMLCipher in project santuario-java by apache.

the class KeyWrapEncryptionVerificationTest method testRSAOAEPKW.

@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");
    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<>();
    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));
    XMLStreamReader xmlStreamReader = null;
    try (InputStream is = new ByteArrayInputStream(baos.toByteArray())) {
        xmlStreamReader = xmlInputFactory.createXMLStreamReader(is);
    }
    // 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);
}