/*
 *  Copyright (C) 2011 Tasnai Amphol (tas at taska.com.au)
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package taska.commons.security;

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;

/**
 *
 * @author Tasnai Amphol (tas at taska.com.au)
 */
public class CipherUtil {

    public static byte[] encryptBlowfish(String key, String text) {
        SecretKeySpec k = new SecretKeySpec(key.getBytes(), "Blowfish");
        try {
            Cipher cipher = Cipher.getInstance("Blowfish");
            cipher.init(Cipher.ENCRYPT_MODE, k);
            return cipher.doFinal(text.getBytes());
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public static String decryptBlowfish(String key, byte[] byteArray) {
        SecretKeySpec k = new SecretKeySpec(key.getBytes(), "Blowfish");
        try {
            Cipher cipher = Cipher.getInstance("Blowfish");
            cipher.init(Cipher.DECRYPT_MODE, k);
            byte[] decrypted = cipher.doFinal(byteArray);
            return new String(decrypted);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}