How To Fix WSS027 - The system received encrypted data, which could not be decrypted.

WSS027 - Overview

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 027

• Message text: The system received encrypted data, which could not be decrypted.

What causes this issue?

The system received encrypted data in the security header, which failed
to be decrypted.

System Response

Web service processing fails.

How to fix this error?

When receiving encrypted data, the system tries to decrypt. Decryption
may fail for the following reasons:
1) When X.509 certificates are used, the decryption key must be included
in an WS Security identity.
2) When issuer and serial number is used, the representation must be
according to RFC 2253.
3) An unsupported security token containing key material is sent.

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 WSS027 - The system received encrypted data, which could not be decrypted. ?

  SAP Error Message:
  WSS027 - The system received encrypted data, which could not be decrypted.
  
  
  Cause:
  This error occurs when the SAP system receives data that is supposed to be encrypted, but it fails to decrypt it properly. Common reasons include:
  
  Mismatch in encryption keys or certificates: The sender and receiver do not share the same encryption key or the key used to encrypt the data is not available or recognized by the receiver.
  Incorrect or missing configuration of SSL/TLS or S/MIME: The cryptographic settings on the SAP system or the communicating partner are not aligned.
  Corrupted or altered encrypted data: The encrypted payload might have been tampered with or corrupted during transmission.
  Expired or invalid certificates: The certificates used for encryption/decryption are expired, revoked, or invalid.
  Incorrect usage of cryptographic libraries or parameters: The system might be using incompatible cryptographic algorithms or parameters.
  
  
  
  Solution:
  To resolve the WSS027 error, consider the following steps:
  
  
  Check Certificates and Keys:
  
  Verify that the encryption