Package org.apache.xml.security.encryption

Examples of org.apache.xml.security.encryption.EncryptedKey

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            DocumentBuilder db = XMLUtils.createDocumentBuilder(false);
            Document doc = db.parse(new java.io.FileInputStream(f));

            Key sessionKey = getSessionKey("http://www.w3.org/2009/xmlenc11#aes256-gcm");
            EncryptedKey encryptedKey =
                createEncryptedKey(
                    doc,
                    (X509Certificate)cert,
                    sessionKey,
                    "http://www.w3.org/2009/xmlenc11#rsa-oaep",
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            DocumentBuilder db = XMLUtils.createDocumentBuilder(false);
            Document doc = db.parse(new java.io.FileInputStream(f));

            Key sessionKey = getSessionKey("http://www.w3.org/2009/xmlenc11#aes256-gcm");
            EncryptedKey encryptedKey =
                createEncryptedKey(
                    doc,
                    (X509Certificate)cert,
                    sessionKey,
                    "http://www.w3.org/2009/xmlenc11#rsa-oaep",
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            ).item(0);
        cipher.init(XMLCipher.DECRYPT_MODE, null);
        EncryptedData encryptedData = cipher.loadEncryptedData(doc, ee);
       
        KeyInfo ki = encryptedData.getKeyInfo();
        EncryptedKey encryptedKey = ki.itemEncryptedKey(0);
        KeyInfo kiek = encryptedKey.getKeyInfo();
        X509Data certData = kiek.itemX509Data(0);
        XMLX509Certificate xcert = certData.itemCertificate(0);
        X509Certificate cert = xcert.getX509Certificate();
        assertTrue(rsaCert.equals(cert));
       
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    ) throws Exception {
        // Create the XMLCipher element
        XMLCipher cipher = XMLCipher.getInstance(encryptionMethod, null, digestMethod);
       
        cipher.init(XMLCipher.WRAP_MODE, rsaCert.getPublicKey());
        EncryptedKey encryptedKey = cipher.encryptKey(doc, sessionKey, mgfAlgorithm, oaepParams);
       
        KeyInfo builderKeyInfo = encryptedKey.getKeyInfo();
        if (builderKeyInfo == null) {
            builderKeyInfo = new KeyInfo(doc);
            encryptedKey.setKeyInfo(builderKeyInfo);
        }

        X509Data x509Data = new X509Data(doc);
        x509Data.addCertificate(rsaCert);
        builderKeyInfo.add(x509Data);
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            keygen.init(128);
            Key key = keygen.generateKey();

            cipher = XMLCipher.getInstance(XMLCipher.AES_192_KeyWrap);
            cipher.init(XMLCipher.WRAP_MODE, kek);
            EncryptedKey encryptedKey = cipher.encryptKey(d, key);

            // encrypt
            cipher = XMLCipher.getInstance(XMLCipher.AES_128);
            cipher.init(XMLCipher.ENCRYPT_MODE, key);
            EncryptedData builder = cipher.getEncryptedData();
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            Key key = keygen.generateKey();


            cipher = XMLCipher.getInstance(XMLCipher.RSA_v1dot5);
            cipher.init(XMLCipher.WRAP_MODE, pub);
            EncryptedKey encryptedKey = cipher.encryptKey(d, key);

            // encrypt
            cipher = XMLCipher.getInstance(XMLCipher.AES_256);
            cipher.init(XMLCipher.ENCRYPT_MODE, key);
            EncryptedData builder = cipher.getEncryptedData();
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            keygen.init(192);
            Key key = keygen.generateKey();

            cipher = XMLCipher.getInstance(XMLCipher.TRIPLEDES_KeyWrap);
            cipher.init(XMLCipher.WRAP_MODE, kek);
            EncryptedKey encryptedKey = cipher.encryptKey(d, key);

            // encrypt
            cipher = XMLCipher.getInstance(XMLCipher.AES_192);
            cipher.init(XMLCipher.ENCRYPT_MODE, key);
            EncryptedData builder = cipher.getEncryptedData();

            KeyInfo builderKeyInfo = builder.getKeyInfo();
            if (builderKeyInfo == null) {
                builderKeyInfo = new KeyInfo(d);
                builder.setKeyInfo(builderKeyInfo);
            }

            builderKeyInfo.add(encryptedKey);

            ed = cipher.doFinal(d, e);

            //decrypt
            key = null;
            ee = (Element) ed.getElementsByTagName("xenc:EncryptedData").item(0);
            cipher = XMLCipher.getInstance();
            cipher.init(XMLCipher.DECRYPT_MODE, null);

            EncryptedData encryptedData = cipher.loadEncryptedData(ed, ee);

            if(encryptedData == null) {
                System.out.println("ed is null");
            }
            else if (encryptedData.getKeyInfo() == null) {
                System.out.println("ki is null");
            }
            EncryptedKey ek = encryptedData.getKeyInfo().itemEncryptedKey(0);

            if (ek != null) {
                XMLCipher keyCipher = XMLCipher.getInstance();
                keyCipher.init(XMLCipher.UNWRAP_MODE, kek);
                key = keyCipher.decryptKey(ek, encryptedData.getEncryptionMethod().getAlgorithm());
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        NodeList ekList =
            document.getElementsByTagNameNS(
                EncryptionConstants.EncryptionSpecNS, EncryptionConstants._TAG_ENCRYPTEDKEY
            );
        for (int i = 0; i < ekList.getLength(); i++) {
            EncryptedKey ek =
                keyCipher.loadEncryptedKey(document, (Element) ekList.item(i));
            assertNotNull(ek.getRecipient());
        }
    }
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    }

    private void embedKeyInfoInEncryptedData(Document document, XMLCipher keyCipher, XMLCipher xmlCipher, Key dataEncryptionkey)
        throws XMLEncryptionException {

        EncryptedKey encryptedKey = keyCipher.encryptKey(document, dataEncryptionkey, mgfAlgorithm, null);
        KeyInfo keyInfo = new KeyInfo(document);
        keyInfo.add(encryptedKey);   
        EncryptedData encryptedDataElement = xmlCipher.getEncryptedData();
        encryptedDataElement.setKeyInfo(keyInfo);
    }
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   private void wrap(Key k, char[] password) {

      try {
         Key wrapKey = createWrapKey(EncryptionConstants.ALGO_ID_KEYWRAP_AES256,
                                     password);
         EncryptedKey ek =
            new EncryptedKey(this._doc,
                             EncryptionConstants.ALGO_ID_KEYWRAP_AES256, null,
                             null, k, wrapKey, null, null, null, null, null,
                             null);

         /*
         String JCAalgo = k.getAlgorithm();
         String JCAformat = k.getFormat();
         String keyType = null;
         if (JavaUtils.implementsInterface(k, "java.security.PrivateKey")) {
            keyType = "PrivateKey";
         } else if (JavaUtils
                 .implementsInterface(k, "javax.crypto.SecretKey")) {
            keyType = "SecretKey";
         }
         */
         this._constructionElement.appendChild(ek.getElement());
         XMLUtils.addReturnToElement(this._constructionElement);
      } catch (XMLSecurityException ex) {
         throw new RuntimeException(ex.getMessage());
      }
   }
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