For example I have a server [c#] and 4 clients. When the first client sends a request to the server I want to push a notification to the other 3 clients that they should send a request to the server ...
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 ...
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 ...