NumXL Code Signing Certificate Expiry
The NumXL Code Signing certificate expired on August 4th, 2023. However, because NumXL timestamps its program and executable signatures, they will remain valid even after the certificate’s expiration. As a result, Windows and Microsoft Office will continue to trust the code indefinitely.
Why should I Care?
You shouldn’t. There is no required change or adverse effect on our end-users for the current software.
What is Code signing?
Code Signing Certificates are used by software developers (e.g., NumXL) to digitally sign applications, drivers, executables, and software programs as a way for end-users to verify that the code they receive has not been altered or compromised by a third party.
What happens next?
NumXL is procuring a new code signing certificate. However, we are experiencing delays due to the latest changes in industry standards that focus on added protection and safeguarding of sensitive private keys during the signing process.
NumXL will use the new code signing certificate for future software releases.
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A quick update: our team released a new revision (1.68.7) signed with the latest code-signing certificate. So, the signature and the certificate are both valid.
Please, download and update your NumXL with the latest version.