Android AES Encrypt generateEncryptionSecret()

Description

generate Encryption Secret

License

Open Source License

Declaration

private static byte[] generateEncryptionSecret() 

Method Source Code

//package com.java2s;
/**//from  w ww  .j  a v a 2  s . c  om
 * Copyright (C) 2011 Whisper Systems
 * Copyright (C) 2013 Open 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 android.util.Log;

import java.security.NoSuchAlgorithmException;

import javax.crypto.KeyGenerator;

import javax.crypto.SecretKey;

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. encrypt(byte[] raw, byte[] clear)
2. encrypt(Context context, String text)
3. encrypt(Context context, String text)
4. encryptedData(String userkey, String userData)
5. encryptedPassword(String key, String userData)
6. encode(String seed, String cleartext)