// Very unlikely to be equal
        assertNotEquals(new String(random1), new String(random2));
    }

    @Test
    @DisplayName("Should handle AES encryption operations")
    void testAESOperations() throws Exception {
        // Given
        byte[] key = new byte[16]; // 128-bit key
        byte[] iv = new byte[16]; // 128-bit IV
        byte[] plaintext = "This is test data for AES encryption test".getBytes();