Hi MDSP,

Section 4.9.7 of the Baseline Requirements says (emphasis added):

> If the CA *publishes* a CRL, then the CA SHALL update and reissue CRLs at
least once every seven days, and the value of the nextUpdate field MUST NOT
be more than ten days beyond the value of the thisUpdate field.

Let's Encrypt is currently in the final stages of standing up
infrastructure to issue and publish CRLs, in compliance with the upcoming
Apple and Mozilla root program requirements that go into effect on October
1st.

As with many systems, we would like to test this as thoroughly as possible
prior to making it fully available. Of course we're already running it in
our non-production environment with an untrusted hierarchy of issuers. But
there's a risk that, if we were to run the new infrastructure in our
production environment and discover some sort of fault, we would not be
able to turn it off again due to the reissuance and update requirements.

It is our interpretation of the above-quoted text from Section 4.9.7 that
this risk does not actually exist. As long as we do not *publish* the CRLs,
they are not required to be updated on specific timetables.

Does anyone disagree with this interpretation? Are there other requirements
that I'm missing that would prevent us from turning the new infrastructure
off?

Thanks,
Aaron

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  • CRL Issuance Freq... 'Aaron Gable' via dev-security-policy@mozilla.org
    • RE: CRL Issu... 'Corey Bonnell' via dev-security-policy@mozilla.org
      • Re: CRL ... Ben Wilson
        • Re: ... 'Aaron Gable' via dev-security-policy@mozilla.org
        • RE: ... 'Christophe Bonjean' via dev-security-policy@mozilla.org
          • ... Ben Wilson
            • ... 'Clint Wilson' via dev-security-policy@mozilla.org
            • ... 'Christophe Bonjean' via dev-security-policy@mozilla.org
    • Re: CRL Issu... 'Rob Stradling' via dev-security-policy@mozilla.org
      • Re: CRL ... 'Clint Wilson' via dev-security-policy@mozilla.org
    • Re: CRL Issu... 'Rob Stradling' via dev-security-policy@mozilla.org

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