How To Fix SAML2090 - Element '&1' is not encrypted

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 090

• Message text: Element '&1' is not encrypted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2090 - Element '&1' is not encrypted ?

  The SAP error message SAML2090, which states "Element '&1' is not encrypted," typically occurs in the context of SAML (Security Assertion Markup Language) authentication, particularly when dealing with SAML assertions and responses. This error indicates that a specific element within the SAML assertion is expected to be encrypted but is not.
  Cause:
  
  Configuration Issues: The SAML configuration may not be set up correctly, leading to the assertion not being encrypted as required.
  Missing Encryption: The SAML assertion or specific elements within it (like the assertion itself or certain attributes) are not being encrypted when they should be.
  Certificate Issues: The encryption certificate used for SAML assertions may not be correctly configured or may be missing.
  Policy Mismatch: The service provider (SP) and identity provider (IdP) may have mismatched policies regarding which elements should be encrypted.
  
  Solution:
  
  
  Check SAML Configuration:
  
  Ensure that the SAML configuration in both the IdP and SP is set to encrypt the necessary elements. This includes checking the settings for encryption in the SAML assertion configuration.
  
  
  
  Update Encryption Settings:
  
  If you are using SAP NetWeaver, navigate to the SAML 2.0 configuration settings and ensure that the encryption settings are correctly defined. This may involve specifying which elements should be encrypted.
  
  
  
  Verify Certificates:
  
  Ensure that the encryption certificate is correctly installed and configured in both the IdP and SP. The certificate should be valid and trusted by both parties.
  
  
  
  Review SAML Assertion:
  
  Use tools to inspect the SAML assertion being sent. Check if the expected elements are indeed encrypted. If not, you may need to adjust the IdP settings to ensure that the assertion is encrypted as required.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for SAML configuration to ensure that all necessary steps have been followed. This may include checking for any updates or patches that address known issues.
  
  
  
  Testing:
  
  After making changes, perform tests to ensure that the SAML assertions are being encrypted correctly and that the error no longer occurs.
  
  
  
  Related Information:
  
  SAML Assertions: These are XML documents that contain the authentication and authorization information about a user.
  Encryption in SAML: Encryption is used to protect sensitive information in SAML assertions, ensuring that only the intended recipient can read the assertion.
  SAP Notes: Check SAP Notes for any specific issues or patches related to SAML and encryption that may apply to your version of SAP.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed logs and configuration settings for better diagnosis.