/* ---- COMPILE BUTTON ---- */
        JButton computeButton = new JButton( "Criptare / Decriptare");
        computeButton.setBounds(10, 220, 300, 50);

        computeButton.addActionListener(new ActionListener()
        {
            @Override
            public void actionPerformed(ActionEvent event)
            {
                // Init
                encryptedString.setText("");
                decryptedString.setText("");

                int selAlgorithm = algorithmsCB.getSelectedIndex();
                String message = inputString.getText();
                String encryptedMessage = "";
                String decryptedMessage = "";
                // Check text box
                // Encrypt with selected algorithm
                // Decrypt with selected algorithm

                System.out.println("\nSelected algorithm: " + algorithmsCB.getSelectedItem());
                System.out.println("Input text: " + message);

                if (message.length() > MAX_CHARS)
                {
                    JOptionPane.showMessageDialog(null, "Textul pentru criptare are mai mult de " + MAX_CHARS + " caractere!.\n\n");
                    return;
                }

                else if (message.length() <= 0)
                {
                    JOptionPane.showMessageDialog(null,"Textul pentru criptare nu a fost introdus.\n\n");
                    return;
                }


                // Everything is ok
                if (selAlgorithm == 0)
                {
                    // Cheie asimetrica
                    MerkleHellman crypto = new MerkleHellman();

                    System.out.println("Bytes: " + message.getBytes().length);

                    encryptedMessage = crypto.encrypt(message);
                    System.out.println("Encrypted text: " + encryptedMessage);

                    decryptedMessage = crypto.decrypt(encryptedMessage);
                    System.out.println("Decrypted text: " + decryptedMessage);
                }
                else if (selAlgorithm == 1)
                {
                    // Cheie asimetrica
                    RSA crypto = new RSA(1024);

                    System.out.println("Bytes: " + message.getBytes().length);

                    encryptedMessage = crypto.encrypt(message).toString();
                    System.out.println("Encrypted text: " + encryptedMessage);

                    decryptedMessage = crypto.decrypt(encryptedMessage);
                    System.out.println("Decrypted text: " + decryptedMessage);
                }
                else if (selAlgorithm == 2)
                {
                    // Cheie simetrica
                    DES crypto = new DES();

                    String key = "Proiect Securitate si Criptografie";

                    byte[] keyByteArr = key.getBytes();
                    byte[] messageByteArr = message.getBytes();

                    System.out.println("Bytes: " + message.getBytes().length);

                    System.out.println("Using key: " + key);

                    byte[] encryptedMessageByteArr = crypto.encrypt(messageByteArr, keyByteArr);

                    encryptedMessage = new String(encryptedMessageByteArr, StandardCharsets.UTF_8);
                    System.out.println("Encrypted text: " + encryptedMessage);

                    byte[] decryptedMessageByteArr = crypto.decrypt(encryptedMessageByteArr, keyByteArr);
                    decryptedMessage = new String(decryptedMessageByteArr, StandardCharsets.UTF_8);
                    System.out.println("Decrypted text: " + decryptedMessage);
                }
                else if (selAlgorithm == 3)
                {
                    // Cheie asimetrica
                    MyCypher crypto = new MyCypher("Cheie simetrica");

                    System.out.println("Bytes: " + message.getBytes().length);

                    encryptedMessage = crypto.encrypt(message);
                    System.out.println("Encrypted text: " + encryptedMessage);

                    decryptedMessage = crypto.decrypt(encryptedMessage);
                    System.out.println("Decrypted text: " + decryptedMessage);
                }

                encryptedString.setText(encryptedMessage);
                decryptedString.setText(decryptedMessage);
            }
        });
        /* ---- COMPILE BUTTON ---- */