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Jan 10, 2022 · Information Security

Understanding OAuth2.0 Single Sign‑On (SSO) and Its Implementation with SpringBoot

This article explains the principles of Single Sign‑On using OAuth2.0, illustrates the workflow with a real‑world analogy, and provides a complete SpringBoot example—including authorization server, client configuration, role‑based access control, and micro‑service integration—so readers can master SSO implementation and security design.