8fCFmrvK

1public class AESEncryptor {
2    private static final String ALGO = "AES";
3    private static final String keyVal = "!5Po4@j82Adsu39/*na3n5";
4
5    public static String encrypt(String data) {
6        try {
7            Key key = genKey();
8            Cipher c = Cipher.getInstance(ALGO);
9            c.init(Cipher.ENCRYPT_MODE, key);
10            byte[] encVal = c.doFinal(data.getBytes());
11            return Base64.encodeBase64String(encVal);
12        } catch (Exception e) {
13            e.printStackTrace();
14        }
15        return null;
16    }
17
18    public static String decrypt (String encryptedData) throws Exception{
19        Key key = genKey();
20        Cipher c = Cipher.getInstance(ALGO);
21        c.init(Cipher.DECRYPT_MODE, key);
22        byte[] data = Base64.decodeBase64(encryptedData);
23        byte[] decByptes = c.doFinal(data);
24        return new String(decByptes);
25    }
26
27    private static Key genKey() throws Exception {
28        fixKeyLength();
29        return new SecretKeySpec(keyVal.getBytes(), ALGO);
30    }
31}
32	
33KeyGenerator keyGen = KeyGenerator.getInstance("AES");
34      keyGen.init(256);
35      SecretKey key = keyGen.generateKey();
36
37      final byte[] nonce = new byte[32];
38      SecureRandom random = SecureRandom.getInstanceStrong();
39      random.nextBytes(nonce);
40      Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
41      GCMParameterSpec spec = new GCMParameterSpec(16 * 8, nonce);
42      cipher.init(Cipher.ENCRYPT_MODE, key, spec);