In the trailer department we carry Jet Co, Haulass, and Dynaweld. We also have an assorted inventory of used cars, Ford, Chevy, Mercury, and GMC, Volkswagen, Honda, Dodge and Nissans, Trucks, Vans and SUVâs.
In short, please. :-). Authentication = login + password (who you are). Authorization = permissions (what you are allowed to do). Short auth is most likely to refer either to the first one or to both.
Authentication is a process of proving that someone is who they say they are. In Web applications, authentication generally consists of two parts: querying for credentials (usually by some interface that requests a login name and password) and verifying those credentials against some source (such as a database).