Android AES Key Get generateEncryptionSecret()

Description

generate Encryption Secret

License

Open Source License

Declaration

private static byte[] generateEncryptionSecret() 

Method Source Code

//package com.java2s;
/** /*from w w w  .  j av a 2  s . co  m*/
 * Copyright (C) 2011 Whisper Systems
 * 
 * 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/>.
 */

import java.security.NoSuchAlgorithmException;

import javax.crypto.KeyGenerator;

import javax.crypto.SecretKey;

import android.util.Log;

public class Main {
    private static byte[] generateEncryptionSecret() {
        try {
            KeyGenerator generator = KeyGenerator.getInstance("AES");
            generator.init(128);

            SecretKey key = generator.generateKey();
            return key.getEncoded();
        } catch (NoSuchAlgorithmException ex) {
            Log.w("keyutil", ex);
            return null;
        }
    }
}

Related

1. initSecretKey()
2. keyAreEqual(byte[] b1, byte[] b2)
3. makeKey()
4. makeKey(String passkey)
5. toKey(byte[] key)