Package org.apache.xml.security.encryption

Examples of org.apache.xml.security.encryption.XMLCipher$Factory


                + " ] exists in " + "the configured trust store.");
        }
       
        Key dataEncryptionKey = generateDataEncryptionKey();
       
        XMLCipher keyCipher;
        if (null != this.getKeyCipherAlgorithm()) {
            keyCipher = XMLCipher.getInstance(this.getKeyCipherAlgorithm(), null, digestAlgorithm);
        } else {
            keyCipher = XMLCipher.getInstance(XMLCipher.RSA_OAEP, null, digestAlgorithm);
        }
        keyCipher.init(XMLCipher.WRAP_MODE, keyEncryptionKey);
        encrypt(exchange, document, stream, dataEncryptionKey, keyCipher);
    }
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        } else {
            keyEncryptionKey = generateKeyEncryptionKey("AES");
            dataEncryptionKey = generateDataEncryptionKey();
        }
       
        XMLCipher keyCipher = XMLCipher.getInstance(generateXmlCipherAlgorithmKeyWrap());
        keyCipher.init(XMLCipher.WRAP_MODE, keyEncryptionKey);
       
        encrypt(exchange, document, stream, dataEncryptionKey, keyCipher);
    }
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    }
   
    private void encrypt(Exchange exchange, Document document, OutputStream stream, Key dataEncryptionKey,
                         XMLCipher keyCipher) throws Exception {
        XMLCipher xmlCipher = XMLCipher.getInstance(xmlCipherAlgorithm);
        xmlCipher.init(XMLCipher.ENCRYPT_MODE, dataEncryptionKey);

        if (secureTag.equalsIgnoreCase("")) {
            embedKeyInfoInEncryptedData(document, keyCipher, xmlCipher, dataEncryptionKey);
            document = xmlCipher.doFinal(document, document.getDocumentElement());
        } else {
                         
            XPathBuilder xpathBuilder = new XPathBuilder(secureTag);
            xpathBuilder.setNamespaceContext(getNamespaceContext());
            NodeList nodeList = xpathBuilder.evaluate(exchange, NodeList.class);
           
           
            for (int i = 0; i < nodeList.getLength(); i++) {
                Node node = nodeList.item(i);
                document = node.getOwnerDocument();
                embedKeyInfoInEncryptedData(node.getOwnerDocument(), keyCipher, xmlCipher, dataEncryptionKey);
                Document temp = xmlCipher.doFinal(node.getOwnerDocument(), (Element) node, getSecureTagContents());
                document.importNode(temp.getDocumentElement().cloneNode(true), true);
            }   
        }

        try {
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                 this.keyPassword != null ? this.keyPassword : this.keyStorePassword);
        return decode(exchange, encodedDocument, keyEncryptionKey);
    }
   
    private Object decode(Exchange exchange, Document encodedDocument, Key keyEncryptionKey) throws Exception {
        XMLCipher xmlCipher = XMLCipher.getInstance();
        xmlCipher.setSecureValidation(true);
        xmlCipher.init(XMLCipher.DECRYPT_MODE, null);
        xmlCipher.setKEK(keyEncryptionKey);

        if (secureTag.equalsIgnoreCase("")) {
            checkEncryptionAlgorithm(keyEncryptionKey, encodedDocument.getDocumentElement());
            encodedDocument = xmlCipher.doFinal(encodedDocument, encodedDocument.getDocumentElement());
        } else {

            XPathBuilder xpathBuilder = new XPathBuilder(secureTag);
            xpathBuilder.setNamespaceContext(getNamespaceContext());
            NodeList nodeList = xpathBuilder.evaluate(exchange, NodeList.class);


            for (int i = 0; i < nodeList.getLength(); i++) {
                Node node = nodeList.item(i);
                encodedDocument = node.getOwnerDocument();
                if (getSecureTagContents()) {
                    checkEncryptionAlgorithm(keyEncryptionKey, (Element)node);
                    Document temp = xmlCipher.doFinal(encodedDocument, (Element) node, true);
                    encodedDocument.importNode(temp.getDocumentElement().cloneNode(true), true);
                } else {
                    NodeList childNodes = node.getChildNodes();
                    for (int j = 0; j < childNodes.getLength(); j++) {
                        Node childNode = childNodes.item(j);
                        if (childNode.getLocalName().equals("EncryptedData")) {
                            checkEncryptionAlgorithm(keyEncryptionKey, (Element) childNode);
                            Document temp = xmlCipher.doFinal(encodedDocument, (Element) childNode, false);
                            encodedDocument.importNode(temp.getDocumentElement().cloneNode(true), true);
                        }   
                    }
                }   
            }
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        } catch (NoSuchAlgorithmException e2) {
            // TODO Auto-generated catch block
            e2.printStackTrace();
        }
        symmetricKey = keyGen.generateKey();
        XMLCipher xmlCipher = null;
        try {
            xmlCipher = XMLCipher.getInstance(symEncAlgo);
        } catch (XMLEncryptionException e3) {
            throw new WSSecurityException(WSSecurityException.UNSUPPORTED_ALGORITHM, null, null, e3);
        }
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      symmetricKey = X509Util.getSharedKey(tmpE, symEncAlgo, cb);
    } else
      symmetricKey = getKeyFromReference(secRefToken, symEncAlgo);

    // initialize Cipher ....
    XMLCipher xmlCipher = null;
    try {
        xmlCipher = XMLCipher.getInstance(symEncAlgo);
      xmlCipher.init(XMLCipher.DECRYPT_MODE, symmetricKey);
    } catch (XMLEncryptionException e1) {
      throw new WSSecurityException(
          WSSecurityException.UNSUPPORTED_ALGORITHM, null, null, e1);
    }

    if (content) {
      encBodyData = (Element) encBodyData.getParentNode();
    }
    try {
      xmlCipher.doFinal(doc, encBodyData, content);
    } catch (Exception e) {
      throw new WSSecurityException(WSSecurityException.FAILED_ENC_DEC,
          null, null, e);
    }
  }
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        SecretKey symmetricKey = WSSecurityUtil.prepareSecretKey(
                symEncAlgo, decryptedData);

        // initialize Cipher ....
        XMLCipher xmlCipher = null;
        try {
            xmlCipher = XMLCipher.getInstance(symEncAlgo);
      xmlCipher.init(XMLCipher.DECRYPT_MODE, symmetricKey);
    } catch (XMLEncryptionException e) {
      throw new WSSecurityException(
          WSSecurityException.UNSUPPORTED_ALGORITHM, null, null, e);
    }

        if (content) {
            encBodyData = (Element) encBodyData.getParentNode();
        }
        try {
            xmlCipher.doFinal(doc, encBodyData, content);
        } catch (Exception e1) {
            throw new WSSecurityException(WSSecurityException.FAILED_ENC_DEC, null, null, e1);
        }
    }
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            KeyInfo keyInfo, Vector references) throws WSSecurityException {

        SecretKey key = WSSecurityUtil.prepareSecretKey(this.symEncAlgo, secretKey);
       
       
        XMLCipher xmlCipher = null;
        try {
            xmlCipher = XMLCipher.getInstance(symEncAlgo);
        } catch (XMLEncryptionException e3) {
            throw new WSSecurityException(
                    WSSecurityException.UNSUPPORTED_ALGORITHM, null, null, e3);
        }

        Vector encDataRefs = new Vector();

        for (int part = 0; part < references.size(); part++) {
            WSEncryptionPart encPart = (WSEncryptionPart) references.get(part);

            String idToEnc = encPart.getId();
           
            String elemName = encPart.getName();
            String nmSpace = encPart.getNamespace();
            String modifier = encPart.getEncModifier();
            /*
             * Third step: get the data to encrypt.
             */
            Element body = null;
            if (idToEnc != null) {
                body = WSSecurityUtil.findElementById(document
                        .getDocumentElement(), idToEnc, WSConstants.WSU_NS);
                if (body == null) {
                    body = WSSecurityUtil.findElementById(document
                            .getDocumentElement(), idToEnc, null);
                }
            } else {
                body = (Element) WSSecurityUtil.findElement(envelope, elemName,
                        nmSpace);
            }
            if (body == null) {
                throw new WSSecurityException(WSSecurityException.FAILURE,
                        "noEncElement", new Object[] { "{" + nmSpace + "}"
                                + elemName });
            }

            boolean content = modifier.equals("Content") ? true : false;
            String xencEncryptedDataId = "EncDataId-" + body.hashCode();

            /*
             * Forth step: encrypt data, and set neccessary attributes in
             * xenc:EncryptedData
             */
            try {
                xmlCipher.init(XMLCipher.ENCRYPT_MODE, key);
                EncryptedData encData = xmlCipher.getEncryptedData();
                encData.setId(xencEncryptedDataId);
                encData.setKeyInfo(keyInfo);
                xmlCipher.doFinal(doc, body, content);
            } catch (Exception e2) {
                throw new WSSecurityException(
                        WSSecurityException.FAILED_ENC_DEC, null, null, e2);
            }
            encDataRefs.add(new String("#" + xencEncryptedDataId));
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    }

    private Vector doEncryption(Document doc, SecretKey secretKey,
            KeyInfo keyInfo, Vector references) throws WSSecurityException {

        XMLCipher xmlCipher = null;
        try {
            xmlCipher = XMLCipher.getInstance(symEncAlgo);
        } catch (XMLEncryptionException e3) {
            throw new WSSecurityException(
                    WSSecurityException.UNSUPPORTED_ALGORITHM, null, null, e3);
        }

        Vector encDataRef = new Vector();

        for (int part = 0; part < references.size(); part++) {
            WSEncryptionPart encPart = (WSEncryptionPart) references.get(part);

            String idToEnc = encPart.getId();

            String elemName = encPart.getName();
            String nmSpace = encPart.getNamespace();
            String modifier = encPart.getEncModifier();
            /*
             * Third step: get the data to encrypt.
             *
             */
            Element body = null;
            if (idToEnc != null) {
                body = WSSecurityUtil.findElementById(document
                        .getDocumentElement(), idToEnc, WSConstants.WSU_NS);
                if (body == null) {
                    body = WSSecurityUtil.findElementById(document
                            .getDocumentElement(), idToEnc, null);
                }
            } else {
                body = (Element) WSSecurityUtil.findElement(envelope, elemName,
                        nmSpace);
            }
            if (body == null) {
                throw new WSSecurityException(WSSecurityException.FAILURE,
                        "noEncElement", new Object[] { "{" + nmSpace + "}"
                                + elemName });
            }

            boolean content = modifier.equals("Content") ? true : false;
            String xencEncryptedDataId = "EncDataId-" + body.hashCode();

            /*
             * Forth step: encrypt data, and set neccessary attributes in
             * xenc:EncryptedData
             */
            try {
                xmlCipher.init(XMLCipher.ENCRYPT_MODE, secretKey);
                EncryptedData encData = xmlCipher.getEncryptedData();
                encData.setId(xencEncryptedDataId);
                encData.setKeyInfo(keyInfo);
                xmlCipher.doFinal(doc, body, content);
            } catch (Exception e2) {
                throw new WSSecurityException(
                        WSSecurityException.FAILED_ENC_DEC, null, null, e2);
            }
            encDataRef.add(new String("#" + xencEncryptedDataId));
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                "xmlns:" + WSConstants.ENC_PREFIX,
                WSConstants.ENC_NS);

        SOAPConstants soapConstants = WSSecurityUtil.getSOAPConstants(envelope);

        XMLCipher xmlCipher = null;
        try {
            xmlCipher = XMLCipher.getInstance(symEncAlgo);
        } catch (XMLEncryptionException e3) {
            throw new WSSecurityException(WSSecurityException.UNSUPPORTED_ALGORITHM, null, null, e3);
        }

        // if no encryption parts set - use the default
        if (parts == null) {
            parts = new Vector();
            WSEncryptionPart encP =
                    new WSEncryptionPart(soapConstants.getBodyQName().getLocalPart(),
                            soapConstants.getEnvelopeURI(),
                            "Content");
            parts.add(encP);
        }

        Vector encDataRefs = new Vector();

        for (int part = 0; part < parts.size(); part++) {
            WSEncryptionPart encPart = (WSEncryptionPart) parts.get(part);
            String elemName = encPart.getName();
            String nmSpace = encPart.getNamespace();
            String modifier = encPart.getEncModifier();
            /*
             * Third step: get the data to encrypt.
             */
            Element body =
                    (Element) WSSecurityUtil.findElement(envelope,
                            elemName,
                            nmSpace);
            if (body == null) {
                throw new WSSecurityException(WSSecurityException.FAILURE,
                        "noEncElement",
                        new Object[]{"{" + nmSpace + "}" + elemName});
            }

            boolean content = modifier.equals("Content") ? true : false;
            String xencEncryptedDataId = "EncDataId-" + body.hashCode();

            /*
             * Forth step: encrypt data, and set neccessary attributes in
             * xenc:EncryptedData
             */
            try {
                xmlCipher.init(XMLCipher.ENCRYPT_MODE, encryptKey);
                EncryptedData encData = xmlCipher.getEncryptedData();
                encData.setId(xencEncryptedDataId);
                encData.setKeyInfo(keyInfo);
                xmlCipher.doFinal(doc, body, content);
            } catch (Exception e2) {
                throw new WSSecurityException(WSSecurityException.FAILED_ENC_DEC, null, null, e2);
            }
            encDataRefs.add(new String("#" + xencEncryptedDataId));
        }
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