Analogy For ID Token
Imagine you're planning to attend a fancy party at a private club. Before you can enter the club, you need to show the bouncer your ID to prove that you're on the guest list. In this analogy, the bouncer represents the server that's responsible for controlling access to the club, and your ID represents your ID token.
What Is ID Token
An ID token is a type of token that's used in authentication protocols like OAuth 2.0 and OpenID Connect. It's a JSON Web Token (JWT) that contains information about the authenticated user, such as their user ID and email address. When a user logs in to an application using a third-party identity provider (like Google or Facebook), the identity provider sends an ID token to the application server to verify the user's identity. The application server can then use the information in the ID token to create a user account or grant access to certain resources.
Analogy For Access Token
Now let's say you're inside the club and you want to order a drink from the bar. You need to show the bartender your membership card to prove that you're allowed to order drinks. In this analogy, the bartender represents the server that's responsible for controlling access to the club's resources (like drinks), and your membership card represents your access token.
What is Access Token
An access token is a type of token that's used in authorization protocols like OAuth 2.0. It's a string of characters that represents a user's permission to access certain resources. When a user logs in to an application using a third-party identity provider, the application can request an access token that allows the user to access certain resources (like their Google Drive files). The application can then include the access token in API requests to prove that the user has permission to access those resources.
So, to summarize:
- ID tokens are like IDs that prove your identity and allow you to enter the party (authenticate).
- Access tokens are like membership cards that grant you permission to access certain resources (authorize).
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