How To Fix WSS026 - XML Signature digest error for reference &1

WSS026 - Overview

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 026

• Message text: XML Signature digest error for reference &1

Self-Explanatory Message

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSS026 - XML Signature digest error for reference &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WSS026 XML Signature digest error for reference &1
  
  
  Cause:
  This error occurs during the processing of XML digital signatures in SAP Web Services Security (WS-Security). Specifically, the error indicates that the digest value of a referenced XML element does not match the expected digest value during signature verification.
  In other words:
  The XML signature verification fails because the digest (hash) of the referenced XML element has changed or is incorrect. This can happen due to:
  
  Modification of the XML content after it was signed.
  Incorrect canonicalization of the XML before digest calculation.
  Mismatch in the digest algorithm used.
  Problems with the XML parser or encoding issues.
  The referenced element (&1) is missing or altered.
  Issues with the security token or certificate used for signing.
  
  
  
  Solution:
  To resolve the WSS026 error, consider the following steps:
  
  
  Check XML Integrity:
  Ensure that the XML document has not been altered after signing. The signed XML must be