Examples of javax.crypto.KeyGenerator

javax.crypto.KeyGenerator
This class provides the public API for generating symmetric cryptographic keys.

                        "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();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        String algorithm = "http://www.w3.org/2001/04/xmlenc#aes256-cbc";

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                        "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();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        String algorithm = "http://www.w3.org/2009/xmlenc11#aes256-gcm";

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                        "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();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        String algorithm = "http://www.w3.org/2001/04/xmlenc#tripledes-cbc";

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                        "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();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        String algorithm = "http://www.w3.org/2007/05/xmldsig-more#seed128-cbc";

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                        "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("Camellia");
        keygen.init(128);
        SecretKey key = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        String algorithm = "http://www.w3.org/2001/04/xmldsig-more#camellia128-cbc";

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                        "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("Camellia");
        keygen.init(192);
        SecretKey key = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        String algorithm = "http://www.w3.org/2001/04/xmldsig-more#camellia192-cbc";

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                        "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("Camellia");
        keygen.init(256);
        SecretKey key = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        String algorithm = "http://www.w3.org/2001/04/xmldsig-more#camellia256-cbc";

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  {
    try {


      String provider = cryptoProviderShort;


      KeyGenerator keyGen;
      if (provider == null)
      {
        keyGen = KeyGenerator.getInstance(cryptoAlgorithmShort);
      }
      else
      {
        if( provider.equals("BouncyCastleProvider"))
          provider = "BC";
        keyGen = KeyGenerator.getInstance(cryptoAlgorithmShort, provider);
      }


      keyGen.init(keyLengthBits);


      SecretKey key = keyGen.generateKey();


      return key.getEncoded();


    } catch (java.security.NoSuchAlgorithmException nsae) {
        throw StandardException.newException(SQLState.ENCRYPTION_NOSUCH_ALGORITHM, cryptoAlgorithm,

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                Element ee = ReferenceListProcessor.findEncryptedDataElement(doc, wsDocInfo, uri);
                String algorithmURI = X509Util.getEncAlgo(ee);
                alg = JCEMapper.getJCEKeyAlgorithmFromURI(algorithmURI);
                size = KeyUtils.getKeyLength(algorithmURI);
            }
            KeyGenerator kgen = KeyGenerator.getInstance(alg);
            kgen.init(size * 8);
            SecretKey k = kgen.generateKey();
            return k.getEncoded();
        } catch (Exception ex) {
            throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK, ex);
        }
    }

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        return true;
    }
    
    
    public static KeyGenerator getEncryptionKeyGenerator(String symEncrAlgo) throws WSSecurityException {
        KeyGenerator keyGen;
        try {
            /*
             * Assume AES as default, so initialize it
             */
            keyGen = KeyGenerator.getInstance("AES");
            if (symEncrAlgo.equalsIgnoreCase(WSConstants.TRIPLE_DES)) {
                keyGen = KeyGenerator.getInstance("DESede");
            } else if (symEncrAlgo.equalsIgnoreCase(WSConstants.AES_128)) {
                keyGen.init(128);
            } else if (symEncrAlgo.equalsIgnoreCase(WSConstants.AES_192)) {
                keyGen.init(192);
            } else if (symEncrAlgo.equalsIgnoreCase(WSConstants.AES_256)) {
                keyGen.init(256);
            } else {
                return null;
            }
        } catch (NoSuchAlgorithmException e) {
            throw new WSSecurityException(

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