Re: [Trans] Precertificate format
Rob Stradling <rob.stradling@comodo.com> Tue, 09 September 2014 10:17 UTC
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Date: Tue, 09 Sep 2014 11:17:00 +0100
From: Rob Stradling <rob.stradling@comodo.com>
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To: Melinda Shore <melinda.shore@gmail.com>, "trans@ietf.org" <trans@ietf.org>
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Subject: Re: [Trans] Precertificate format
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On 08/09/14 19:50, Melinda Shore wrote: > It seems as if we've been talking about precertificate format for > quite some time, without coming to resolution. Let's try to find > agreement on how to handle it and close issue 26. > > The ticket, with description, is here: > http://trac.tools.ietf.org/wg/trans/trac/ticket/26 > > The fundamental problem is that because precertificates are currently > encoded as X.509 structures we have the potential for two certificates > to exist with the same issuer and same serial number. Because the > precertificate is not usable as a TLS certificate in practice, this > may not be an issue. However, it's a clear violation of section 4.1.2.2 > in 5280 (and to be honest I'm a little fuzzy on its implications for > CRL processing). > > So, are you all comfortable with letting the X.509 representation > stand, or do you have an alternative proposal? I don't mind us adding an alternative Precertificate format to 6962-bis (if we can agree on a suitable format!), but I'd also like to retain the RFC6962 Precertificate format as an option. Several CAs have already deployed code to generate RFC6962 Precertificates. Why force these CAs to change to a different format just because some other CAs find it hard to implement the RFC6962 format? Some CAs will actually find it _easier_ to implement the RFC6962 Precertificate format than to implement some new format that we haven't defined yet. (My experience: When I wrote Comodo's code for RFC6962 Precertificates, reusing the TBSCertificate format was definitely a blessing rather than a curse). -- Rob Stradling Senior Research & Development Scientist COMODO - Creating Trust Online
- [Trans] Precertificate format Melinda Shore
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Melinda Shore
- Re: [Trans] Precertificate format Brian Smith
- Re: [Trans] Precertificate format Rick Andrews
- Re: [Trans] Precertificate format Hill, Brad
- Re: [Trans] Precertificate format Matt Palmer
- Re: [Trans] Precertificate format Matt Palmer
- Re: [Trans] Precertificate format Eran Messeri
- Re: [Trans] Precertificate format Tomas Gustavsson
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Carl Wallace
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Hill, Brad
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Brian Smith
- Re: [Trans] Precertificate format Hill, Brad
- Re: [Trans] Precertificate format Brian Smith
- Re: [Trans] Precertificate format Brian Smith
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Brian Smith
- Re: [Trans] Precertificate format Kyle Hamilton
- Re: [Trans] Precertificate format Watson Ladd
- Re: [Trans] Precertificate format Tomas Gustavsson
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Melinda Shore
- Re: [Trans] Precertificate format Melinda Shore
- Re: [Trans] Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Jeremy Rowley
- Re: [Trans] Precertificate format Erwann Abalea
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Erwann Abalea
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Rob Stradling
- Re: [Trans] Precertificate format Erwann Abalea
- [Trans] Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Melinda Shore
- Re: [Trans] Precertificate format Stephen Davidson
- Re: [Trans] Precertificate format Ben Laurie
- [Trans] Fwd: Precertificate format Erwann Abalea
- Re: [Trans] Fwd: Precertificate format Ben Laurie
- Re: [Trans] Precertificate format Stephen Kent
- Re: [Trans] Precertificate format Russ Housley
- Re: [Trans] Precertificate format Rob Stradling