Examples of javax.crypto.KeyGenerator

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

    }


    public static byte[] getNewKey(String cipherName, String provider) {


        try {
            KeyGenerator generator = provider == null
                                     ? KeyGenerator.getInstance(cipherName)
                                     : KeyGenerator.getInstance(cipherName,
                                         provider);
            SecretKey key = generator.generateKey();
            byte[]    raw = key.getEncoded();


            return raw;
        } catch (java.security.NoSuchAlgorithmException e) {
            throw Error.error(ErrorCode.X_S0531, e);

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            // create the 20 bytes seed


            byte[] seed = new byte[20];


            KeyGenerator key = KeyGenerator.getInstance("AES");            
            key.init(192, new SecureRandom());
            SecretKey sk = key.generateKey();            
            System.arraycopy(sk.getEncoded(), 0, seed, 0, 20); // create the 20 bytes seed
                
            
            Iterator it = policy.getRecipientsIterator();
            int i = 0;

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        AlgorithmParameterGenerator algorithmparametergenerator = AlgorithmParameterGenerator.getInstance(s);
        AlgorithmParameters algorithmparameters = algorithmparametergenerator.generateParameters();        
        ByteArrayInputStream bytearrayinputstream = new ByteArrayInputStream(algorithmparameters.getEncoded("ASN.1"));
        ASN1InputStream asn1inputstream = new ASN1InputStream(bytearrayinputstream);
        DERObject derobject = asn1inputstream.readObject();
        KeyGenerator keygenerator = KeyGenerator.getInstance(s);
        keygenerator.init(128);
        SecretKey secretkey = keygenerator.generateKey();
        Cipher cipher = Cipher.getInstance(s);
        cipher.init(1, secretkey, algorithmparameters);
        byte[] abyte1 = cipher.doFinal(in);
        DEROctetString deroctetstring = new DEROctetString(abyte1);
        KeyTransRecipientInfo keytransrecipientinfo = computeRecipientInfo(cert, secretkey.getEncoded());

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  public synchronized byte[] digest(byte[] iInput) {
    return md.digest(iInput);
  }


  public SecretKey generateKey(final String iAlgorithm, final int iKeySize) {
    KeyGenerator kg;
    try {
      kg = KeyGenerator.getInstance(iAlgorithm);
      kg.init(iKeySize);
      return kg.generateKey();
    } catch (Exception e) {
      throw new OSecurityException("Error on generating key for algorithm: " + iAlgorithm, e);
    }
  }

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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 secretKey = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        encryptUsingDOM(

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        // Set up the Key
        byte[] bits192 = "abcdefghijklmnopqrstuvwx".getBytes();
        SecretKey kek = new SecretKeySpec(bits192, "AES");


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(128);
        SecretKey secretKey = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        encryptUsingDOM(

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        KeyPair kp = rsaKeygen.generateKeyPair();
        PrivateKey priv = kp.getPrivate();
        PublicKey pub = kp.getPublic();


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(256);
        SecretKey secretKey = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        encryptUsingDOM(

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        KeyPair kp = rsaKeygen.generateKeyPair();
        PrivateKey priv = kp.getPrivate();
        PublicKey pub = kp.getPublic();


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(256);
        SecretKey secretKey = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        encryptUsingDOM(

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        DESedeKeySpec keySpec = new DESedeKeySpec(bits192);
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
        Key kek = keyFactory.generateSecret(keySpec);


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(192);
        SecretKey secretKey = keygen.generateKey();
        
        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        encryptUsingDOM(

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        KeyPair kp = rsaKeygen.generateKeyPair();
        PrivateKey priv = kp.getPrivate();
        PublicKey pub = kp.getPublic();


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(256);
        SecretKey secretKey = keygen.generateKey();


        // Encrypt using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");
        encryptUsingDOM(

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