How to set up SAML federation in Amazon Cognito using IdP-initiated single sign-on, request signing, and encrypted assertions

This blog post provides a detailed guide on how to set up SAML federation in Amazon Cognito using IdP-initiated single sign-on (SSO), request signing, and encrypted assertions. It covers the following key points:

Specifically, the article covers:

• Benefits of using IdP-initiated SSO for centralized administration and reduced dependency on service providers
• Prerequisites and step-by-step instructions to integrate Microsoft Entra ID (SAML IdP) with an Amazon Cognito user pool
• Enabling encrypted SAML responses for additional security and privacy of user data
• Setting up RelayState parameter in Entra ID for IdP-initiated authentication flow
• Enabling signed authentication requests when using SP-initiated flow
• Testing and validating the IdP-initiated and SP-initiated authentication flows