My concern with this is that it creates a bit of a requirement to revoke
by/on that time, which doesn't seem to be the intent of ARI I think?

Also what should the precision of this time field be? day/hour/etc?

On Wed, Mar 22, 2023 at 10:35 AM Andrew Ayer <a...@andrewayer.name> wrote:

> I'm working on adding an ARI client to a certificate monitoring service
> to notify users when one of their certificates is scheduled to be
> revoked.  Unfortunately, ARI doesn't currently convey whether the
> suggestedWindow is mandatory (because the certificate is going to be
> revoked) or merely advisory.
>
> I had previously thought that an end time that was earlier than the
> certificate's expiration would indicate an upcoming revocation, but it
> appears that Let's Encrypt's ARI endpoint routinely specifies an end
> time that is ~30 days earlier than the certificate's expiration.
>
> I propose that the renewalInfo object contain a nullable field called
> revocationTime which specifies the time the certificate is going to be
> revoked, if applicable.
>
> Regards,
> Andrew
>
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