Package org.apache.xml.security.encryption

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

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        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);
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            String algorithm,
            SecretKey secretKey,
            Key wrappingKey,
            Document document
    ) throws Exception {
        XMLCipher cipher = XMLCipher.getInstance(algorithm);
        cipher.init(XMLCipher.DECRYPT_MODE, secretKey);
        if (wrappingKey != null) {
            cipher.setKEK(wrappingKey);
        }

        NodeList nodeList = document.getElementsByTagNameNS(
                XMLSecurityConstants.TAG_xenc_EncryptedData.getNamespaceURI(),
                XMLSecurityConstants.TAG_xenc_EncryptedData.getLocalPart()
        );
        Element ee = (Element) nodeList.item(0);
        return cipher.doFinal(document, ee);
    }
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        String algorithm,
        SecretKey secretKey,
        Key wrappingKey,
        Document document
    ) throws Exception {
        XMLCipher cipher = XMLCipher.getInstance(algorithm);
        cipher.init(XMLCipher.DECRYPT_MODE, secretKey);
        if (wrappingKey != null) {
            cipher.setKEK(wrappingKey);
        }
       
        NodeList nodeList = document.getElementsByTagNameNS(
                XMLSecurityConstants.TAG_xenc_EncryptedData.getNamespaceURI(),
                XMLSecurityConstants.TAG_xenc_EncryptedData.getLocalPart()
            );
        Element ee = (Element)nodeList.item(0);
        return cipher.doFinal(document, ee);
    }
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    protected void doDOMEncryptionOutbound(File file, int tagCount) throws Exception {

        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(file);

        XMLCipher cipher = XMLCipher.getInstance("http://www.w3.org/2001/04/xmlenc#aes256-cbc");
        cipher.init(XMLCipher.ENCRYPT_MODE, encryptionSymKey);
        document = cipher.doFinal(document, document.getDocumentElement());

        XMLUtils.outputDOM(document, new BufferedOutputStream(new FileOutputStream(new File(getTmpFilePath(), "encryption-dom-" + tagCount + ".xml"))));
    }
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    protected void doDOMDecryptionInbound(File file, int tagCount) throws Exception {

        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(file);

        XMLCipher cipher = XMLCipher.getInstance("http://www.w3.org/2001/04/xmlenc#aes256-cbc");
        cipher.init(XMLCipher.DECRYPT_MODE, encryptionSymKey);
        cipher.doFinal(document, document.getDocumentElement());
    }
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                XMLSecurityConstants.TAG_xenc_EncryptedData.getLocalPart()
            );
        Element ee = (Element)nodeList.item(0);

        // Need to pre-load the Encrypted Data so we can get the key info
        XMLCipher cipher = XMLCipher.getInstance();
        cipher.init(XMLCipher.DECRYPT_MODE, null);
        EncryptedData encryptedData = cipher.loadEncryptedData(document, ee);

        XMLCipher kwCipher = XMLCipher.getInstance();
        kwCipher.init(XMLCipher.UNWRAP_MODE, keyWrappingKey);
        KeyInfo ki = encryptedData.getKeyInfo();
        EncryptedKey encryptedKey = ki.itemEncryptedKey(0);
        Key symmetricKey =
            kwCipher.decryptKey(
                encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
            );

        cipher.init(XMLCipher.DECRYPT_MODE, symmetricKey);
        return cipher.doFinal(document, ee);
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        Key kek = options.getKeyEncryptionKey();
        String dalg = options.getDataCipherAlgorithm();
        String kalg = options.getKeyCipherAlgorithm();
        boolean includeki = options.includeKeyInfo();
        EncryptedKey enckey = null;
        XMLCipher xmlCipher = XMLCipher.getInstance(dalg);
        xmlCipher.init(XMLCipher.ENCRYPT_MODE, dek);
        if (includeki && kek != null && dek != null) {
          XMLCipher keyCipher = XMLCipher.getInstance(kalg);
          keyCipher.init(XMLCipher.WRAP_MODE, kek);
          enckey = keyCipher.encryptKey(dom, dek);
          EncryptedData encdata = xmlCipher.getEncryptedData();
          KeyInfo keyInfo = new KeyInfo(dom);
          keyInfo.add(enckey);
          encdata.setKeyInfo(keyInfo);
        }
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      try {
        org.w3c.dom.Document dom = fomToDom(doc, options);
        Key kek = options.getKeyEncryptionKey();
        Key dek = options.getDataEncryptionKey();
        org.w3c.dom.Element element = dom.getDocumentElement();
        XMLCipher xmlCipher = XMLCipher.getInstance();
        xmlCipher.init(XMLCipher.DECRYPT_MODE, dek);
        xmlCipher.setKEK(kek);
        dom = xmlCipher.doFinal(dom, element);
        return domToFom(dom, options);
      } catch (Exception e) {
        throw new SecurityException(e);
      }
  }
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            addEncryptedKeyElement(encryptedDataElement, receiverCert, encryptedSecretKey,
                                   keyEncAlgo, digestAlgo);
        }
              
        // encrypt payloadDoc
        XMLCipher xmlCipher =
            EncryptionUtils.initXMLCipher(symEncAlgo, XMLCipher.ENCRYPT_MODE, symmetricKey);
       
        Document result = xmlCipher.doFinal(payloadDoc, payloadDoc.getDocumentElement(), false);
        NodeList list = result.getElementsByTagNameNS(WSConstants.ENC_NS, "CipherValue");
        if (list.getLength() != 1) {
            throw new WSSecurityException("Payload CipherData is missing", null);
        }
        String cipherText = ((Element)list.item(0)).getTextContent().trim();
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    protected byte[] decryptPayload(Element root,
                                    byte[] secretKeyBytes,
                                    String symEncAlgo) throws WSSecurityException {
        SecretKey key = WSSecurityUtil.prepareSecretKey(symEncAlgo, secretKeyBytes);
        try {
            XMLCipher xmlCipher =
                EncryptionUtils.initXMLCipher(symEncAlgo, XMLCipher.DECRYPT_MODE, key);
            return xmlCipher.decryptToByteArray(root);
        } catch (XMLEncryptionException ex) {
            throw new WSSecurityException(
                WSSecurityException.UNSUPPORTED_ALGORITHM, null, null, ex
            );
        }
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