7BniCL8n

1private void main(String[] args) throws LoginException, NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException, UnsupportedEncodingException {
2    String s = "ab";
3        Cipher cipher = Cipher.getInstance("AES");
4
5       KeyGenerator kgen = KeyGenerator.getInstance("AES");
6      kgen.init(128);
7       final SecretKey key = kgen.generateKey();
8      //SecretKeySpec key = new SecretKeySpec("bar12345Bar12345".getBytes(),"AES");
9time.setText(String.valueOf(key));
10        cipher.init(Cipher.ENCRYPT_MODE,key);
11        final byte[] bytes = cipher.doFinal(s.getBytes("UTF-8"));
12        String s=new String(bytes, "UTF-8");
13       for (byte b : bytes)kkk+=(char) b;
14        //time.setText(s);
15        byte[] byteArray = kkk.getBytes();
16
17      //  String str = new String(bytes, StandardCharsets.UTF_8);
18        Cipher decript = Cipher.getInstance("AES");
19        decript.init(Cipher.DECRYPT_MODE,key);
20        byte[] decriptedBytes = decript.doFinal(bytes);
21       for (byte b : decriptedBytes)kk+=(char) b;
22
23time.setText(kk);
24
25
26
27        reg.setOnClickListener(new View.OnClickListener() {
28            @Override
29            public void onClick(View view) {
30                sPref = getSharedPreferences("save",MODE_PRIVATE);
31                SharedPreferences.Editor ed = sPref.edit();
32                ed.putString(SAVED_L,  s);
33                ed.commit();
34                Toast.makeText(RegActivity.this, kk+String.valueOf(key), Toast.LENGTH_SHORT).show();
35            }
36        });
37    }