That's a good explanation of a possible rationale for this being a
MAY; it needs to be included, as an example, in the document so
that other folks don't ask the same question as David.

Steve

#127: confusing case is allowed: submission of pre-cert without embedding SCT in
issued cert


Comment (by [email protected]):

  At first glance I would tend to agree there's not much point intentionally
  submitting a pre-certificate and not embedding the resulting SCT, however
  in practice I can see cases where this would happen for operational
  reasons.

  Let's say a CA submits a precertificate to 6 logs in parallel, and then
  waits until they get enough SCTs back to meet the minimums per Chrome's EV
  CT policy.  Maybe one of the logs is performing badly and takes too long
  to respond, but then does respond with a valid SCT, or maybe a log
  responds but the network connection is broken such that the CA never
  receives the response.

  In this scenario the CA has enough SCTs, so it embeds them in a
  certificate and issues it.  If the MAY was a MUST, it would imply that a
  CA is in error if they don't embed an SCT and I don't think that makes
  sense in this case.


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