I want to save some user-generated data with some signature of the user that generated it (let's say that the user has to fill some forms with some data and I want him to sign the written data). The ...
I have built an android game - I would like to add a "high score" leaderboard to it, such that people can show off how high they managed to score. How should I design it so that people can't "hack" it ...
I reached a design/architectural issue on the large application I'm working on, at the point of writing possibles solutions on a chalkboard. Our product consist of a client-server information system ...
We are working on a project that includes a web server and a mobile application, we need to access the user's private data (facebook, twitter ...) from the web server by requesting from the user to ...