Android AES Key Get getRawKey(byte[] seed)

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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);//from  w  ww.ja v a 2 s  .  c  o m
        kgen.init(128, sr);
        SecretKey sKey = kgen.generateKey();
        byte[] raw = sKey.getEncoded();

        return raw;
    }
}

Related

  1. getRawKey(String key)
  2. getRawKey(byte[] seed)
  3. getRawKey(byte[] seed)
  4. getRawKey(byte[] seed)
  5. getRawKey(byte[] seed)
  6. getRawKey(byte[] seed)
  7. getSecretKey(String key)
  8. initSecretKey()
  9. keyAreEqual(byte[] b1, byte[] b2)