3451782 - SAML authentication failed with corporate IdP involved, error "SAML2Assertion is not signed but it is required to be signed" occurred in IAS troubleshooting log

In the corporate IdP involved scenario, SAML authentication failed.
IAS issued error in the SAML response to application
<StatusMessage>Failed to authenticate user.</StatusMessage>
In IAS troubleshooting log, following error occurred.
- SAML2Assertion is not signed but it is required to be signed. SAML2Assertion is not signed but it is required to be signed
  Or
- Service Provider has received SAML2Assertion from Identity Provider [<corporate IdP entity ID>] that is not signed

Identity Authentication

Identity Authentication 1.0

IAS, IPS, SAML, corporate IdP, authentication, digital signed. , KBA , BC-IAM-IDS , Identity Authentication Service , Problem

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