How To Fix WSS010 - Signature error &1&2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 010

• Message text: Signature error &1&2&3&4

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WSS010 - Signature error &1&2&3&4 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message: WSS010 Signature error &1&2&3&4
  
  1. Cause
  The error WSS010 Signature error typically occurs in the context of SAP Web Services Security (WS-Security) when there is a problem with the digital signature verification of a SOAP message. The placeholders &1&2&3&4 provide additional details about the error, such as the signature element, the expected and actual values, or the specific part of the message that failed verification.
  Common causes include:
  
  Invalid or missing digital signature in the SOAP message.
  Certificate issues, such as expired, revoked, or untrusted certificates.
  Mismatch between the signature and the message content, possibly due to message tampering or incorrect canonicalization.
  Incorrect configuration of the WS-Security settings on the SAP side or the client side.
  Problems with the key or certificate used for signing or verification, such as wrong key alias or missing key in the keystore.
  Time synchronization issues causing timestamp validation failures that affect signature validation.
  
  
  2. Solution
  To resolve the WSS010 Signature error, follow these steps:
  
  
  Check the detailed error message:
  
  Analyze the placeholders &1&2&3&4 in the error message to get specifics about the failure.
  Look into the SAP system logs (transaction SM21, ST22, or Web Service trace) for more detailed error information.
  
  
  
  Verify Certificates and Keys:
  
  Ensure that the certificate used for signing is valid, not expired, and trusted by the SAP system.
  Check that the public key certificate is correctly imported into the SAP system's trust store.
  Confirm that the private key used for signing is correct and accessible.
  
  
  
  Check WS-Security Configuration:
  
  Review the WS-Security policy configuration in the SAP system (e.g., in SOAMANAGER).
  Verify that the signature and encryption settings match between the client and the SAP service.
  Ensure that the correct key alias is used in the configuration.
  
  
  
  Validate the SOAP Message:
  
  Use tools like SOAP UI or other WS-Security debugging tools to inspect the SOAP message.
  Confirm that the signature covers the correct parts of the message and that the canonicalization method is consistent.
  
  
  
  Synchronize System Clocks:
  
  Ensure that the system clocks of the client and SAP server are synchronized to avoid timestamp-related signature validation errors.
  
  
  
  Test with a Known Good Message:
  
  Try sending a SOAP message with a known valid signature to isolate whether the problem is with the message or the SAP configuration.
  
  
  
  Enable Detailed Tracing:
  
  Enable WS-Security trace in SAP to get detailed logs for signature verification.
  Use transaction STRUST to manage certificates and keys.
  
  
  
  
  3. Related Information
  
  SAP Notes:
  
  Check SAP Notes related to WS-Security and signature errors, e.g., SAP Note 1680115 (WS-Security: Troubleshooting Signature Errors).
  
  
  Transactions:
  
  SOAMANAGER: For configuring Web Service security policies.
  STRUST: For managing certificates and keys.
  SM21, ST22: For system logs and dumps.
  
  
  Documentation:
  
  SAP Help Portal: WS-Security configuration and troubleshooting.
  SAP Web Service Security Guide.
  
  
  Common Keywords for Search:
  
  WS-Security signature error
  SAP WSS010 error
  SOAP message signature verification failure
  SAP SOAMANAGER WS-Security configuration
  
  
  
  
  If you provide the exact values of &1&2&3&4 from the error message, I can help interpret those specifics further.