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How to implement trusted identity propagation for applications protected by Amazon Cognito

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This article explains how to implement trusted identity propagation for applications protected by Amazon Cognito, which allows the application to pass user identities to AWS services that support this feature.

Specifically, the article covers:

  • Concepts of IAM Identity Center, trusted identity propagation, and trusted token issuers
  • Overview of the solution architecture
  • Step-by-step walkthrough to set up:
    • Amazon Cognito user pool, domain, and client
    • OAuth integration with IAM Identity Center as a trusted token issuer
    • SAML federation between IAM Identity Center and Cognito
  • Authentication flow diagram
  • Cleanup instructions
  • Conclusion and additional resources


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