How To Fix WSPT005 - Random string for symmetric key was not created.

SAP Error Message - Details

• Message type: E = Error

• Message class: WSPT - Message Class for Portugal Webservice

• Message number: 005

• Message text: Random string for symmetric key was not created.

Self-Explanatory Message

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• What is the cause and solution for SAP error message WSPT005 - Random string for symmetric key was not created. ?

  SAP Error Message:
  
  WSPT005 Random string for symmetric key was not created.
  
  Cause:
  This error occurs during the creation or handling of cryptographic keys in SAP's Web Services Security (WS-Security) or Secure Store and Forward (SSF) framework. Specifically, the system fails to generate a random string that is required to create a symmetric key for encryption or signing purposes.
  Common causes include:
  
  Insufficient entropy or randomness source: The underlying operating system or SAP kernel cannot provide enough randomness to generate the key.
  Incorrect or missing configuration: The cryptographic library or security provider (e.g., SAP Cryptographic Library or external HSM) is not properly configured or initialized.
  Authorization or permission issues: The user or process does not have the necessary permissions to access the cryptographic functions or secure storage.
  Kernel or patch level issues: Bugs or incompatibilities in the SAP kernel or cryptographic libraries.
  System environment problems: Issues with the OS-level random number generator (e.g., /dev/random or /dev/urandom on Unix/Linux systems).
  
  
  Solution:
  
  
  Check System Entropy:
  
  On Unix/Linux systems, verify that the entropy pool is sufficient.
  Use commands like cat /proc/sys/kernel/random/entropy_avail to check available entropy.
  If entropy is low, consider installing entropy daemons like haveged or rng-tools to increase randomness.
  
  
  
  Verify Cryptographic Library Configuration:
  
  Ensure that the SAP Cryptographic Library (SCP) is installed and correctly configured.
  Check the profile parameters related to the cryptographic library, e.g., sec/libsapssec or sec/libsapscrypto.
  Make sure the library path is correct and the library is accessible.
  
  
  
  Check Authorization and Permissions:
  
  Verify that the SAP user or service has the necessary authorizations to perform cryptographic operations.
  Check OS-level permissions for the SAP user, especially for accessing cryptographic devices or files.
  
  
  
  Update Kernel and Patches:
  
  Apply the latest SAP kernel patches and support packages.
  Check SAP Notes for any known issues related to cryptographic key generation.
  
  
  
  Review SAP Security Settings:
  
  In transaction STRUST, check the key storage and certificates.
  Re-import or recreate keys if necessary.
  
  
  
  Restart SAP System:
  
  Sometimes, restarting the SAP system or the affected instance can resolve temporary issues with cryptographic services.
  
  
  
  Check SAP Notes and Documentation:
  
  Search for SAP Notes related to WSPT005 or symmetric key generation errors.
  Example SAP Note: 1234567 (hypothetical) might provide specific instructions.
  
  
  
  
  Related Information:
  
  Transaction STRUST: Manage certificates and keys.
  Transaction STRUSTSSO2: Manage SSO and cryptographic tokens.
  SAP Cryptographic Library: SAP's implementation of cryptographic functions.
  Secure Store and Forward (SSF): Framework for secure communication.
  SAP Notes and Knowledge Base: Always check the SAP Support Portal for the latest notes.
  Operating System Entropy: Critical for cryptographic operations; low entropy can cause failures.
  
  
  Summary:
  The error WSPT005 Random string for symmetric key was not created. indicates a failure in generating the random data needed for symmetric key creation, often due to insufficient entropy, misconfiguration, or permission issues. Addressing system entropy, verifying cryptographic library setup, ensuring proper authorizations, and applying relevant patches usually resolve the problem.