Re: [dane] Digest Algorithm Agility discussion (checkpoint)
Viktor Dukhovni <viktor1dane@dukhovni.org> Wed, 19 March 2014 14:35 UTC
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Date: Wed, 19 Mar 2014 14:35:27 +0000
From: Viktor Dukhovni <viktor1dane@dukhovni.org>
To: dane@ietf.org
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Subject: Re: [dane] Digest Algorithm Agility discussion (checkpoint)
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On Wed, Mar 19, 2014 at 10:08:38AM -0400, Scott Rose wrote: > On Mar 18, 2014, at 4:00 PM, Viktor Dukhovni <viktor1dane@dukhovni.org> wrote: > > > My sense is that regardless, there is not much enthusias for > > negotiating a single digest based on what digests the server offers, > > with the client choosing its most preferred one. > > > > Is this an accurate summary of the group's consensus view? Does > > anyone want to defend the view of TLSA digests as a menu of options > > from which the client can choose one? > > Don't know about the rest of the WG, but it's mine. Some communities have > a larger local policy that they want to enforce, and the client will prefer > that primarily, with potential fallbacks. Sorry, could you confirm the meaning of the above sentence? Probably my fault, but I am not 100% sure whether you're saying that clients: - should (proposed agility protocol) - may (employ adaptive local policy that amounts to the above), or - must not ignore lesser ranked (by the client's local policy) digest matching types in the server's TLSA RRset. > > If not, I will drop the digest agility portion of the SMTP draft. > > In the OPs draft we can encourage server operators (SHOULD) to > > apply all digests equally to all objects, because that's more robust > > in the face of local policy, and results when this is not done may > > not be what the operator wanted. > > Still need to see the final text, but looks like it is the right direction. This seems to suggest a vote for either "may" or "must not" above... -- Viktor.
- [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Paul Wouters
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Paul Hoffman
- Re: [dane] Digest Algorithm Agility discussion Paul Wouters
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Paul Hoffman
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Paul Wouters
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Paul Hoffman
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Martin Rex
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Mark Andrews
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion (c… Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Jim Schaad
- Re: [dane] Digest Algorithm Agility discussion (c… Paul Hoffman
- Re: [dane] Digest Algorithm Agility discussion (c… Andrew Sullivan
- Re: [dane] Digest Algorithm Agility discussion (c… Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion (c… Scott Rose
- Re: [dane] Digest Algorithm Agility discussion (c… Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion (c… Scott Rose
- Re: [dane] Digest Algorithm Agility discussion Wes Hardaker
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Peter Palfrader
- Re: [dane] Digest Algorithm Agility discussion Mark Andrews
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Mark Andrews
- Re: [dane] Digest Algorithm Agility discussion Peter Palfrader
- Re: [dane] Digest Algorithm Agility discussion Mark Andrews
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Peter Palfrader
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Mark Andrews
- Re: [dane] Digest Algorithm Agility discussion Mark Andrews
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Paul Wouters
- Re: [dane] Digest Algorithm Agility discussion Viktor Dukhovni
- Re: [dane] Digest Algorithm Agility discussion Peter Palfrader
- Re: [dane] Digest Algorithm Agility discussion Wes Hardaker
- Re: [dane] Digest Algorithm Agility discussion Wes Hardaker