2352155 - Received unsigned authentication Response | SAP Knowledge Base Article

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2352155 - Received unsigned authentication Response

Symptom

Tracing a failed SAML 2.0 SSO shows similar errors:

Received unsigned authentication Response (top level status code: urn:oasis:names:tc:SAML:2.0:status:Success, second level status code: <null>) from Identity Provider: https://<idp_host> through binding: urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST

SAML2Assertion received could not be decrypted

Caused by: com.sap.engine.lib.xml.signature.SignatureException: EME-OAEP_DECODE error - pHash does not equal pHash'

SAML2Assertion validation failed.
[EXCEPTION]
com.sap.security.saml2.sp.exception.BadCredentialsException: Rejected not signed Response


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Environment

SAP NetWeaver Release Independent

Product

SAP NetWeaver all versions

Keywords

KBA , BC-JAS-SEC-SML , JAVA SAML 1.1 and 2.0 , BC-JAS-SEC-LGN , Logon, SSO , Problem

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