Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CCM: a meta-analysis
Joe Hall <joe@cdt.org> Mon, 26 January 2015 18:47 UTC
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References: <9A043F3CF02CD34C8E74AC1594475C73AAF525B9@uxcn10-tdc05.UoA.auckland.ac.nz> <D0D16976.3BD1D%kenny.paterson@rhul.ac.uk> <54B54A5F.7020401@polarssl.org> <D0DB0820.3C588%kenny.paterson@rhul.ac.uk> <CACsn0c=oYuUhkPi2QO=qPy95X4v+xXViTyi+XzyRrO1BKLnnLg@mail.gmail.com> <D0DB1039.3C5D9%kenny.paterson@rhul.ac.uk> <CACsn0ck-2_348SkASvkCrP7r3HoD-G8t590WRzWkQpj6TjBMqg@mail.gmail.com> <CABkgnnWLUsKuJ71dbpSps5bErbrjGnYe-_BjDpJGmMkD-O0BUw@mail.gmail.com> <54B65AF0.1080503@metaparadigm.com> <CABkgnnUmoA4mMqbgVaKgebmC-PzvSBeRQ_=eoCSaNp9C2mtg=Q@mail.gmail.com> <CA+cU71=Zs3zkfsxiYev-E9Wqg=nYTtUbiizoJCJ4QUVc=qpRRw@mail.gmail.com>
From: Joe Hall <joe@cdt.org>
Date: Mon, 26 Jan 2015 13:46:49 -0500
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To: Tom Ritter <tom@ritter.vg>
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Cc: Manuel Pégourié-Gonnard <mpg@polarssl.org>, tls@ietf.org
Subject: Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CCM: a meta-analysis
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On Fri, Jan 23, 2015 at 8:26 PM, Tom Ritter <tom@ritter.vg> wrote: > > On Jan 14, 2015 11:20 AM, "Martin Thomson" <martin.thomson@gmail.com> wrote: >> >> On 14 January 2015 at 04:02, Michael Clark <michael@metaparadigm.com> >> wrote: >> > Interesting. Should draft-pironti-tls-length-hiding-01 be added to >> > Related Active Documents (not working group documents) section >> >> That's an automatically generated list. I suspect the reason that it >> doesn't appear is that it is presently expired. > > Something I feel very bad about. I am a big proponent of making length > hiding possible in 1.3 and need to find time to put more effort into this. > I encourage the chairs or WG to bug me if they don't see anything about this > in a timeframe they expect. Wasn't the discussion in Denver of the flavor that applications will have to do length-hiding right if they want it to be secure so it doesn't make sense to do it in TLS? I'm probably mischaracterizing that, but I thought the outcome was more definitive than "maybe someone will get to it". (i.e., some thought it would be a bad idea to do it at all as it would be easy for applications to use it in an insecure manner) Apologies if this question is horribly naive. best, Joe -- Joseph Lorenzo Hall Chief Technologist Center for Democracy & Technology 1634 I ST NW STE 1100 Washington DC 20006-4011 (p) 202-407-8825 (f) 202-637-0968 joe@cdt.org PGP: https://josephhall.org/gpg-key fingerprint: 3CA2 8D7B 9F6D DBD3 4B10 1607 5F86 6987 40A9 A871
- [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CCM: a… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Tapio Sokura
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Jeffrey Walton
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Peter Gutmann
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Russ Housley
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Watson Ladd
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Ilari Liusvaara
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Yoav Nir
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Peter Gutmann
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Peter Gutmann
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Paterson, Kenny
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Peter Gutmann
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Manuel Pégourié-Gonnard
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Paterson, Kenny
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Watson Ladd
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Watson Ladd
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Paterson, Kenny
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Martin Thomson
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Michael Clark
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Martin Thomson
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Tom Ritter
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Martin Rex
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Joe Hall
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Tom Ritter
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Martin Thomson
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Nikos Mavrogiannopoulos
- Re: [TLS] AAED ciphers: AES-GCM vs AES-EAX/AES-CC… Tom Ritter