Cipher cp = Cipher.getInstance("RSA/ECB/PKCS1Padding");
    Cipher cp = Cipher.getInstance("RSA/None/PKCS1Padding");

public static String aes(String content, String password, @AESType int type) {
        try {
            KeyGenerator generator = KeyGenerator.getInstance("AES");

            SecureRandom secureRandom;
            if (android.os.Build.VERSION.SDK_INT >= 24) {
                secureRandom = SecureRandom.getInstance(SHA1PRNG, new CryptoProvider());
            } else if (android.os.Build.VERSION.SDK_INT >= 17) {
                secureRandom = SecureRandom.getInstance(SHA1PRNG, "Crypto");
            } else {
                secureRandom = SecureRandom.getInstance(SHA1PRNG);
            }
            secureRandom.setSeed(password.getBytes());
            generator.init(128, secureRandom);
            SecretKey secretKey = generator.generateKey();
            byte[] enCodeFormat = secretKey.getEncoded();
            SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");
            @SuppressLint("GetInstance") Cipher cipher = Cipher.getInstance("AES/ECB/PKCS7Padding");
            cipher.init(type, key);

            if (type == Cipher.ENCRYPT_MODE) {
                byte[] byteContent = content.getBytes("UTF-8");
                return parseByte2HexStr(cipher.doFinal(byteContent));
            } else {
                byte[] byteContent = parseHexStr2Byte(content);
                byte[] doFinal = cipher.doFinal(byteContent);
                return new String(doFinal);
            }
        } catch (NoSuchAlgorithmException | BadPaddingException | IllegalBlockSizeException |
                 InvalidKeyException | NoSuchPaddingException |
                NoSuchProviderException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return null;
    }