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2604216 - SAML authentication fails on HANA XSA - Signature is not trusted or invalid


When trying to logon to XSA using a SAML Identity Provider, the following message is displayed on screen:

Response doesn't have any valid assertion which would pass subject validation

The following record can be found in the uaa.log file

XMLSignature: Signature verification failed
Caused by: org.opensaml.xml.validation.ValidationException: Signature is not trusted or invalid



  • SAP HANA Extended Application Services, Advanced Model
  • External SAML Identity Provider (IdP)


SAP HANA, platform edition 2.0


KBA , BC-XS-SEC , UAA and Security for HANA XSA engine , Problem

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