What are authentication and authorization? Which must come first?

Deepika Sahu answered on December 24, 2022 Popularity 7/10 Helpfulness 1/10

answer What are authentication and authorization? Which must come first?

What are authentication and authorization? Which must come first?

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Authentication is a process to verify that the user is the one who he claims to be.
It is generally implemented using a username and password.
If a user enters the correct username and password then authentication is successful, otherwise, authentication failed. 

Authorization provides access control. 
For example, only the admin can see some pages in a web application.
To implement that, the admin must have some admin-related permissions or roles. 

If a user becomes admin then those permissions are added to this profile.
If you have access to a page it means you are authorized to that page or resources. 
Obviously, authorization comes after authentication because access can only be provided to genuine users

Read more: https://javarevisited.blogspot.com/2021/02/spring-security-interview-questions-answers-java.html#ixzz7oQ8WxfDu

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Contributed on Dec 24 2022

Deepika Sahu

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What are authentication and authorization? Which must come first?

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