Android Open Source - myglob Password Engine Impl1

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * MyGlob Android Application//from  ww  w.  jav a  2 s  . 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 PasswordEngineImpl1 implements PasswordEngine {
  
  private static PasswordEngineImpl1 _INSTANCE = null; 

  //128 bit key
  private final static byte[] iv = { 0x28, 0x1A, 0x03, 0x78, 0x4F, 0x12, 0x62, 0x04, 0x55, 0x07, 0x3A, 0x6F, 0x1B, 0x12, 0x0B, 0x01 };
   
  private Crypto _crypto;
  private byte[] _key;
  
  public static PasswordEngineImpl1 getInstance(String encodedKey) throws Exception {
    if (_INSTANCE == null)
      _INSTANCE = new PasswordEngineImpl1(encodedKey);
    
    return _INSTANCE;
  }  
  
  private PasswordEngineImpl1(String encodedKey) throws Exception {
    _crypto = CryptoAES.getInstance();
    _key = Base64.decode(encodedKey);
  }
  
  @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);
  }

}

Java Source Code List

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