Android AES Key Get getRawKey(byte[] seed)

Description

get Raw Key

Declaration

private static byte[] getRawKey(byte[] seed) throws Exception 

Method Source Code

//package com.java2s;
import java.security.SecureRandom;

import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;

public class Main {
    private static byte[] getRawKey(byte[] seed) throws Exception {
        KeyGenerator kgen = KeyGenerator.getInstance("AES");
        SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
        sr.setSeed(seed);//  w  ww  . j a  v a2 s.  c o  m
        kgen.init(128, sr); // 192 and 256 bits may not be available
        SecretKey skey = kgen.generateKey();
        byte[] raw = skey.getEncoded();
        return raw;
    }
}

Related

1. createKey(String password)
2. getKeyBytes(String key)
3. getRawKey(String key)
4. getRawKey(byte[] seed)
5. getRawKey(byte[] seed)
6. getRawKey(byte[] seed)
7. getRawKey(byte[] seed)