6.4.4: understand the need for and be able to write programs that implement authentication (ID and password, lookup)
Keyword | Definition |
---|---|
authentication | checking that a user is allowed to log in to a computer system |
ID | unique identification data such as username, number or email |
lookup | checking to see if a users ID and password matches a list of approved user details in a database or file |
password | secret data which can be entered and checked when logging in to a computer system |