pqnuLCFy

1    public String decrypt(String str, String secret, String iv) {
2
3        byte[] byteSecret = secret.getBytes();
4        byte[] byteIv = iv.getBytes();
5        SecretKey secretKey = new SecretKeySpec(byteSecret, "AES");
6        try {
7            Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding");
8            cipher.init(Cipher.DECRYPT_MODE, secretKey, new IvParameterSpec(byteIv));
9            byte[] decrypted = cipher.doFinal(Base64.getDecoder().decode(str));
10            return new String(decrypted, StandardCharsets.UTF_8);
11        } catch (Exception e)
12        {
13            System.out.println(e);
14        }
15        return null;
16    }