Hello , I made a database for mine magazines. I want to give it to my friends but also in strangers to me .For the strangers , I am thinking to make a key like in pc programs with some algorithm.So when the user inputs the right key the database starts.When inputs the wrong key the user will have for example only 5 tries. Then the programs will stop and exit for its environment.
Do you have an idea , how to achieve that ?
Many thanks to all forum in advanced .
Do you have an idea , how to achieve that ?
Many thanks to all forum in advanced .