[cabfpub] Ballot 185 (Revised) - Limiting the Lifetime of Certificates

Geoff Keating geoffk at apple.com
Tue Feb 21 18:39:13 UTC 2017

> On 21 Feb 2017, at 8:16 am, Ryan Sleevi via Public <public at cabforum.org> wrote:
> On Mon, Feb 20, 2017 at 6:23 PM, Curt Spann via Public <public at cabforum.org <mailto:public at cabforum.org>> wrote:
> Apple votes Abstain.
> Curt
> Curt,
> To the extent you can comment for Apple, can you clarify whether the abstention is related to:
> - Duration of validity (13 months)
> - Time to phase in (6 months)
> - Other?

We discussed this inside Apple, and came to the conclusion that while there was probably a small net benefit, there was uncertainty about the benefits and the costs, especially on the side of increasing costs, and a possibility the costs far outweighed the benefits.  All factors you mention were involved in the conclusion.

We would likely support a reduction to 27 months, with a reasonable phase-in time.  This would significantly reduce the uncertainty in the cost/benefit analysis because it is already in use for EV and because it has had more warning time.
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