How to get Cognito SAML integration to sign AuthnRequest?

Question

I have confirmed the metadata loaded for the integration specifies 
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However, the generated AuthnRequest from cognito is not signed.

Accepted Answer

Hi,

Cognito doesn't support AuthnRequest signing at this time. The assertion consumer endpoint for Cognito user pool doesn't change for the user pool (unless you change the user pool domain), so is the SP entity Id. These values must be per-configured in the IdP and usually if the AuthnRequest has any different values the request will be rejected by the IdP.

[More details on federating to SAML IdP from Cognito user pool.](https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pools-saml-idp.html)

How to get Cognito SAML integration to sign AuthnRequest?

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