Android Open Source - myglob Password Engine Impl2

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * MyGlob Android Application/* w  ww  .j  a va  2s  .c  o  m*/
 * 
 * Copyright (C) 2010 Petar Petrov
 *
 * 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 net.vexelon.myglob.crypto;

import net.vexelon.myglob.utils.Base64;

public class PasswordEngineImpl2 implements PasswordEngine {
  
  private static PasswordEngineImpl2 _INSTANCE = null; 

  //256 bit key
  private static final byte[] key = {-33, 61, -77, -2, -124, -82, -12, -97, 84, -2, 4, 36, 26, 51, 71, -107, -69, 25, -45, -113, 73, 77, -25, -125, 92, 31, 81, 81, 8, 99, 74, 125};
  private static final byte[] iv = {-127, -108, -110, 68, -16, 7, -36, -79, -34, 16, -117, 50, 5, -97, -88, 11};
   
  private Crypto _crypto;
  
  public static PasswordEngineImpl2 getInstance() {
    if (_INSTANCE == null)
      _INSTANCE = new PasswordEngineImpl2();
    
    return _INSTANCE;
  }
  
  public PasswordEngineImpl2() {
    _crypto = CryptoAES.getInstance();
  }
  
  @Override
  public String encryptAndEncode(String rawPassword) throws Exception {
    byte[] encrypted = _crypto.encrypt(rawPassword.getBytes(), key, iv);
    return Base64.encodeBytes(encrypted);
  }
  
  @Override
  public String decodeAndDecrypt(String encodedPassword) throws Exception {
    byte[] decrypted = _crypto.decrypt(Base64.decode(encodedPassword), key, iv);
    return new String(decrypted);
  }

}

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