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3095581 - SAML2.0 ABAP: SAML Only Works In One Client When SAML configured In Multiple Clients

Symptom

SAML is configured for more than 1 client in ABAP system.
Performing SAML 2.0 authentication only succeeds in one client and fails in other clients.
The following information can be verified in ABAP SAML Traces:

SAML20  Caused by: CX_SEC_SXML_ERROR: SSFW_KRN_VERIFY failed with: Signer is not known or not trusted *OR* Recipient not found (in address book/PSE)
SAML20     at CL_SEC_SXML_DSIGNATURE->HANDLE_SSF_ERROR(Line 51)

More information regarding the Security Diagnostic Tool for ABAP can be found in KBA 2960670.


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Environment

  • SAP Netweaver AS ABAP 7.02
  • SAP Netweaver AS ABAP 7.30
  • SAP Netweaver AS ABAP 7.31
  • SAP Netweaver AS ABAP 7.40
  • SAP Netweaver AS ABAP 7.50 and higher

Keywords

SAML, SAML2, SAML2.0, SAML ABAP, multiple clients, multiple client, Signer is not known or not trusted *OR* Recipient not found (in address book/PSE), different client, different clients, more than one client, several clients , KBA , BC-SEC-LGN-SML , SAML 2.0 for ABAP , Problem

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