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2749922 - Front-End SAML authentication fails on BI Platform - Illegal Key Size error

Symptom

  • HTTP 404 error when attempting a front-end SAML authentication log in to SAML enabled BI web application (example: BI Launchpad)
  • Non-SAML enabled web applications work as expected (example: CMC page)
  • Configured SHA-256 certificates for SAML communication between Identity provider and Tomcat Service Provider
  • When tracing the SAML extension, the following error can be found:

    org.apache.xml.security.encryption.XMLEncryptionException: Illegal key size
    Original Exception was java.security.InvalidKeyException: Illegal key size
     at org.apache.xml.security.encryption.XMLCipher.decryptToByteArray(XMLCipher.java:1859)


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Environment

  • SAP BusinessObjects Business Intelligence Platform 4.2 Support Package 05 Patch 400 and above
  • SAP BusinessObjects Business Intelligence Platform 4.3

Product

SAP BusinessObjects Business Intelligence platform 4.2

Keywords

bi saml sha sha1 sha2 signing encrypting encryption digest certs certificate spring illegal keysize 2048 bi boe bip 42 4.2 sp05 sp06 adfs sap jvm sapjvm jce java oracle keytool , KBA , BI-BIP-AUT , Authentication, ActiveDirectory, LDAP, SSO, Vintela , Problem

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