Google Cloud Authentication and Authorization Guide
Overview
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Authentication and Authorization are mechanisms used to verify identity and access to resources, respectively. This document identifies key terms that you should know before implementing authentication and authorization in your app.
Authentication identifies who is making the request. Authorization identifies what resources the requestor can access and what level of access that they have. Authentication is a prerequisite for authorization. You can’t determine what resources to access without first establishing the identity of the requestor. For a more detailed definition, see the Important terminology section.
Consider the following simplified example of a hotel reservation. When you arrive at the hotel, the front desk clerk requests your ID to verify your reservation. Your ID authenticates you to the hotel. The front desk clerk gives you a hotel key. This key gives you access to certain resources at the hotel such as your hotel room, the gym, and the business center. The hotel key authorizes you to access those resources.
Note: This overview focuses on authentication and authorization for Google Workspace APIs. Some information in this document might not pertain to other Google APIs.
Appendix
Note created on 2024-05-01 and last modified on 2024-05-01.
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