Flow Diagram

This page provides detailed visual diagrams of the SSO authentication flow, helping you understand exactly what happens during the login process.

Understanding the Diagrams

These diagrams show:

  • The complete OAuth 2.0 authorization code flow

  • Interactions between user, application, and Oten IDP

  • Different scenarios and error handling

  • Security mechanisms in action

Complete OAuth 2.0 Flow

Main Authentication Flow

Main Authentication Flow

Security Mechanisms

PKCE Flow (for Public Clients)

PKCE Flow

📖 Comprehensive PKCE Guide: For detailed implementation examples for SPAs and native apps, see the PKCE Implementation Guide.

Next: Learn about the Step-by-Step Process for detailed explanations of each step

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