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    public void testPBEWithIvParameter() throws NoSuchPaddingException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, InvalidKeyException, InvalidKeySpecException {
        String algorithm = "PBEWithMD5AndDES";
        char[] passwd = "123456".toCharArray();
        PBEKeySpec pbeKeySpec = new PBEKeySpec(passwd);
        SecretKeyFactory kf = SecretKeyFactory.getInstance(algorithm);
        SecretKey key = kf.generateSecret(pbeKeySpec);

        byte[] salt = new byte[8];
        Random random = new Random();
        random.nextBytes(salt);

        Cipher cp = Cipher.getInstance(algorithm);

        IvParameterSpec iv = new IvParameterSpec(RandomUtil.randomBytes(16));
        PBEParameterSpec pbeParameterSpec = new PBEParameterSpec(salt, 1000, iv);

        cp.init(Cipher.ENCRYPT_MODE, key, pbeParameterSpec);

        byte[] data = "helloworld".getBytes(StandardCharsets.UTF_8);
        byte[] encrypted = cp.doFinal(data);

        System.out.println(Base64.encode(encrypted));

        Cipher cpDecrypt = Cipher.getInstance(algorithm);
        cpDecrypt.init(Cipher.DECRYPT_MODE, key, pbeParameterSpec);
        byte[] decryptBytes = cpDecrypt.doFinal(encrypted);
        System.out.println(new String(decryptBytes));
    }

func Encrypt(message string, password string, salt []byte) (string, error) {
	keyObtentionIterations := 1000
	md5key, iv := getMd5DerivedKey(password, salt, keyObtentionIterations)
	encrypted, err := desEncrypt([]byte(message), md5key, iv)
	if err != nil {
		return "", err
	}

	result := encrypted
	if includePlainIvInEncryptionResults() {
		result = append(iv, result...)
	}
	if includePlainSaltInEncryptionResults() {
		result = append(salt, result...)
	}
	
	return base64.StdEncoding.EncodeToString(result), nil
}