Kerberos: The Working
So when does Kerberos jump in? Well, as soon as you want to login and type in your Username in the space provided. As soon as you type the confidential information, the Kerberos sends it to the Authentication Server or the AS. Then, the AS replies to the client with the session key and something called the Ticket Granting Ticket. Both the session key and the Ticket Granting ticket are encrypted by the user’s key. Now, before we go on, I think there is need to explain certain things involved in the above process.