How To Fix TRUST084 - SAPSECULIB does not support a key length of 2048 bits

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 084

• Message text: SAPSECULIB does not support a key length of 2048 bits

What causes this issue?

SAPSECULIB supports a maximum key length of 1024 bits.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to use a key length of 2048 bits, you require SAPCRYPTOLIB.
Follow the instructions in SAP Note 397175.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TRUST084 - SAPSECULIB does not support a key length of 2048 bits ?

  The SAP error message TRUST084 indicates that the SAP system is attempting to use a key length of 2048 bits for cryptographic operations, but the underlying library (SAPSECULIB) does not support this key length. This issue typically arises when the system is configured to use a cryptographic library that does not support modern key lengths, which can be a limitation of older versions of the library or the configuration of the SAP system.
  Cause
  
  Outdated SAPSECULIB: The version of SAPSECULIB being used may not support 2048-bit keys. This library is responsible for cryptographic functions in SAP systems.
  Configuration Issues: The system may be configured to use a cryptographic algorithm or key length that is not supported by the installed version of SAPSECULIB.
  Operating System Limitations: The underlying operating system or its libraries may not support the required key lengths.
  
  Solution
  To resolve the TRUST084 error, you can take the following steps:
  
  
  Update SAPSECULIB:
  
  Ensure that you are using the latest version of SAPSECULIB. You can download the latest version from the SAP Service Marketplace or through the SAP Support Portal.
  After updating, restart the SAP system to ensure that the new library is loaded.
  
  
  
  Check Configuration:
  
  Review the configuration settings in your SAP system related to cryptographic settings. Ensure that the system is set to use supported key lengths and algorithms.
  You can check the settings in transaction STRUST (Trust Manager) to see the current configuration of SSL and cryptographic settings.
  
  
  
  Review SAP Notes:
  
  Check for relevant SAP Notes that may address this issue. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Look for notes related to cryptographic libraries, key lengths, and security settings.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for your specific version to understand the supported cryptographic algorithms and key lengths.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They can provide guidance based on your specific system configuration and version.
  
  
  
  Related Information
  
  SAP Security: Understanding the importance of cryptographic security in SAP systems is crucial. Ensure that your system complies with security best practices.
  Key Lengths: Familiarize yourself with the implications of using different key lengths in cryptographic operations, as longer keys generally provide better security but may have compatibility issues with older systems.
  SSL/TLS Configuration: If the error is related to SSL/TLS connections, ensure that your SSL/TLS configuration is up to date and compatible with the latest security standards.
  
  By following these steps, you should be able to resolve the TRUST084 error and ensure that your SAP system can support the required key lengths for secure operations.