How To Fix TRUST137 - DSA with SHA-224

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 137

• Message text: DSA with SHA-224

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TRUST137 - DSA with SHA-224 ?

  The SAP error message TRUST137 typically relates to issues with digital signatures and certificates, particularly when dealing with cryptographic algorithms. The specific mention of "DSA with SHA-224" indicates that there is a problem with the Digital Signature Algorithm (DSA) using the SHA-224 hashing algorithm.
  Cause:
  
  Unsupported Algorithm: The error may occur if the system does not support the DSA with SHA-224 algorithm. This could be due to outdated cryptographic libraries or configurations that do not recognize this specific algorithm.
  Certificate Issues: The certificate being used may not be valid, may have expired, or may not be properly configured to use the DSA with SHA-224 algorithm.
  Configuration Problems: There may be issues in the configuration of the trust store or the cryptographic settings in the SAP system.
  
  Solution:
  
  Update Cryptographic Libraries: Ensure that your SAP system is updated to the latest version, which may include updated cryptographic libraries that support DSA with SHA-224.
  Check Certificate Validity: Verify that the certificates being used are valid, not expired, and correctly configured. You may need to regenerate or re-import the certificates.
  Configuration Review: Review the configuration settings in the SAP system related to cryptographic algorithms. Ensure that DSA with SHA-224 is enabled and properly configured.
  Use Supported Algorithms: If DSA with SHA-224 is not necessary, consider using a more widely supported algorithm, such as RSA with SHA-256, which is generally more compatible across systems.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve the issue.
  
  Related Information:
  
  SAP Security Guide: Refer to the SAP Security Guide for best practices on managing certificates and cryptographic settings.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP documentation for your specific version to understand the supported cryptographic algorithms and configurations.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.