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", "Crypto");
        sr.setSeed(seed);/*  ww  w.j a  v a 2  s.  c  o m*/
        kgen.init(128, sr);
        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)
8. getRawKey(byte[] seed)
9. getSecretKey(String key)