Re: [dane] The DANE draft
Simon Josefsson <simon@josefsson.org> Thu, 30 July 2015 20:30 UTC
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From: Simon Josefsson <simon@josefsson.org>
To: Paul Wouters <paul@nohats.ca>
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Date: Thu, 30 Jul 2015 22:30:03 +0200
In-Reply-To: <alpine.LFD.2.11.1507250656400.854@bofh.nohats.ca> (Paul Wouters's message of "Sat, 25 Jul 2015 08:19:04 -0400 (EDT)")
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Cc: Werner Koch <wk@gnupg.org>, IETF OpenPGP <openpgp@ietf.org>, Phillip Hallam-Baker <phill@hallambaker.com>, dane WG list <dane@ietf.org>
Subject: Re: [dane] The DANE draft
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Paul Wouters <paul@nohats.ca> writes: >> Here are some thoughts, anyway: >> >> - Why a new DNS record despite that the CERT type has PGP support for >> 9 years now (RFC-4398). >> >> The argument for a new record is that this makes parsing easier >> because there is no need to loop over the record's sub-types. I do >> not consider it a valid argument because there is a need to loop >> anyway because there may be several DANE records for the same key. >> Adding an extra loop over the sub-types is a non-brainer and the >> selection logic to find the best matching record will be the same. > > Using subtypes for DNS is something the DNS people in general have > concluded to be a wrong idea. As stated before, even Olafur who is one > of the authors of the CERT RRtype advised us not to use CERT (or > subtyping in general) Then I believe that community should attempt to move RFC 2538/4398 to historic. I don't believe there is sufficient consensus for doing that -- there is good use of CERT records already, although limited. > Additionally, because the CERT record is a meta-container record, > support for CERT is not good because to properly parse it you need > all of openpgp and all of x509 and all of what other subtypes would > be added later on. So instead of implementing CERT records partially, > many DNS implementations just did not bother with it at all. I disagree -- CERT can be implemented without understanding any of OpenPGP or X.509, and it is implemented by DNS software already. >> GnuPG has support for such CERT records including a script to create >> them also for about 9 years. It is not widely used because most users >> have no way to add records to their zone - that is the same problem >> for DANE of course. > > CERT wasn't widely used because frankly pgp is not widely used. Also, > CERT without DNSSEC makes no sense This is false -- CERT makes a lot of sense without DNSSEC, as OpenPGP keys can be verified through the web of trust. I don't believe comparing deployment sizes should be a deciding factor in this context, but I disagree with your notion that OpenPGP is not widely used. /Simon
- Re: [dane] [openpgp] The DANE draft Paul Wouters
- Re: [dane] [openpgp] The DANE draft Olafur Gudmundsson
- Re: [dane] [openpgp] The DANE draft Phillip Hallam-Baker
- Re: [dane] [openpgp] The DANE draft Paul Wouters
- Re: [dane] [openpgp] The DANE draft Paul Wouters
- [dane] Is running a DANE nameserver for a TLD as … Coyo
- Re: [dane] Is running a DANE nameserver for a TLD… Viktor Dukhovni
- Re: [dane] Is running a DANE nameserver for a TLD… Coyo
- Re: [dane] [openpgp] The DANE draft Werner Koch
- Re: [dane] Is running a DANE nameserver for a TLD… Wiley, Glen
- Re: [dane] Is running a DANE nameserver for a TLD… Nico Williams
- Re: [dane] The DANE draft Simon Josefsson
- Re: [dane] [openpgp] The DANE draft Paul Wouters
- Re: [dane] [openpgp] The DANE draft Stephen Farrell
- Re: [dane] [openpgp] The DANE draft Patrick Ben Koetter
- Re: [dane] [openpgp] The DANE draft Paul Hoffman
- Re: [dane] [openpgp] The DANE draft Stephen Farrell
- Re: [dane] [openpgp] The DANE draft Carsten Strotmann
- Re: [dane] [openpgp] The DANE draft Paul Hoffman
- Re: [dane] [openpgp] The DANE draft Patrik Löhr
- Re: [dane] [openpgp] The DANE draft Viktor Dukhovni
- Re: [dane] [openpgp] The DANE draft Stephen Farrell
- Re: [dane] [openpgp] The DANE draft Daniel Kahn Gillmor
- Re: [dane] [openpgp] The DANE draft Daniel Kahn Gillmor
- Re: [dane] [openpgp] The DANE draft Paul Wouters
- Re: [dane] [openpgp] The DANE draft Jiankang Yao
- Re: [dane] [openpgp] The DANE draft Hosnieh Rafiee
- Re: [dane] [openpgp] The DANE draft Paul Wouters
- Re: [dane] [openpgp] The DANE draft Hosnieh Rafiee
- Re: [dane] [openpgp] The DANE draft Hosnieh Rafiee
- Re: [dane] [openpgp] The DANE draft Vincent Breitmoser
- Re: [dane] [openpgp] The DANE draft Stephen Farrell
- Re: [dane] [openpgp] The DANE draft Carsten Strotmann
- Re: [dane] [openpgp] The DANE draft Paul Wouters
- Re: [dane] [openpgp] The DANE draft Stephen Farrell
- Re: [dane] [openpgp] The DANE draft Viktor Dukhovni
- Re: [dane] [openpgp] The DANE draft Hosnieh Rafiee
- Re: [dane] [openpgp] The DANE draft Warren Kumari
- Re: [dane] [openpgp] The DANE draft Daniel Kahn Gillmor