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Message type: E = Error
Message class: TRUST - Certificate Management
Message number: 135
Message text: RSA with SHA-512
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
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TRUST135
- RSA with SHA-512 ?The SAP error message TRUST135 typically relates to issues with digital signatures or certificates, particularly when using RSA with SHA-512 hashing. This error can occur in various contexts, such as when dealing with secure communications, digital signatures, or certificate validation in SAP systems.
Cause:
- Unsupported Hash Algorithm: The error may arise if the system does not support the SHA-512 hash algorithm for the RSA signature. This can happen if the cryptographic libraries or configurations in the SAP system are outdated or not properly set up.
- Certificate Issues: The certificate being used may not be valid, may have expired, or may not be trusted by the SAP system.
- Configuration Problems: There may be misconfigurations in the trust relationships or in the cryptographic settings of the SAP system.
Solution:
- Update Cryptographic Libraries: Ensure that the SAP system is updated to the latest version, which includes support for SHA-512. This may involve applying patches or updates provided by SAP.
- Check Certificates: Verify that the certificates being used are valid, not expired, and properly installed in the SAP system. You can check the certificate's validity using tools like OpenSSL or through the SAP GUI.
- Configure Trust Relationships: Ensure that the trust relationships are correctly configured. This may involve importing the necessary root and intermediate certificates into the SAP system's trust store.
- Review Security Settings: Check the security settings in the SAP system to ensure that SHA-512 is enabled and supported. This may involve reviewing the configuration in transaction codes like STRUST or SCOT.
- Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently publishes notes that provide solutions or workarounds for known issues.
Related Information:
If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.
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