How To Fix HRPAYDEB2A045 - Missing system requirements for key length 4096

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPAYDEB2A - Business to Administration: Germany

• Message number: 045

• Message text: Missing system requirements for key length 4096

What causes this issue?

Before creating the certificate (PSE) with key length 4096, the system
checked if SAP Basis/SAP ABAP and Kernel support the required
algorithms. The check was not successful. SAP Basis/SAP ABAP and/or
Kernel have a status that is too low.

System Response

The certificate (PSE) is not created.

How to fix this error?

Update your SAP Basis/SAP ABAP and/or the Kernel. Ensure that at least
the requirements for encryption 4096 are available in the system.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HRPAYDEB2A045 - Missing system requirements for key length 4096 ?

  The SAP error message HRPAYDEB2A045 indicating "Missing system requirements for key length 4096" typically relates to issues with the cryptographic settings in the SAP system, particularly when dealing with secure communications or data encryption.
  Cause:
  
  Key Length Configuration: The error suggests that the system is trying to use a key length of 4096 bits for cryptographic operations, but the necessary system requirements or configurations to support this key length are not met.
  Cryptographic Library: The underlying cryptographic library (such as OpenSSL) may not support the required key length or may not be properly configured.
  SAP Kernel Version: The version of the SAP kernel or the cryptographic libraries being used may not support 4096-bit keys.
  Operating System Limitations: The operating system or its configuration may impose restrictions on key lengths.
  
  Solution:
  
  Check SAP Kernel Version: Ensure that you are using a version of the SAP kernel that supports 4096-bit keys. If not, consider upgrading to a more recent version.
  Update Cryptographic Libraries: If you are using external libraries (like OpenSSL), ensure they are updated to a version that supports 4096-bit keys.
  Configuration Settings: Review the configuration settings in the SAP system related to cryptography. This may involve checking the SECURITY settings in the SAP profile parameters.
  SAP Notes: Check for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Consult Documentation: Review the SAP documentation for any specific requirements or configurations needed for using 4096-bit keys.
  System Administrator: If you are not the system administrator, consult with them to ensure that the system is configured correctly and that all necessary components are in place.
  
  Related Information:
  
  SAP Security Guide: Refer to the SAP Security Guide for best practices on cryptographic settings and configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error message and any relevant logs.
  
  By following these steps, you should be able to identify and resolve the issue related to the HRPAYDEB2A045 error message in your SAP system.