How Does Authentication Works via Social Networks???

      Most of you aware that we could login into most of the websites and social networking sites via google/ facebook/ twitter account login credentials, do you know how it’s working? Let’s see how.

      

     OAuth is an open standard protocol for authorization. OAuth provides a method for clients to access server resources on behalf of a resource owner (such as a different client or an end-user). It also provides a process for end-users to authorize third-party access to their server resources without sharing their credentials (typically, a username and password pair), using user-agent redirections.