Re: 9.2.2 Cipher fallback and FF<->Jetty interop problem

Simone Bordet <simone.bordet@gmail.com> Thu, 18 September 2014 16:24 UTC

Resent-Date: Thu, 18 Sep 2014 16:21:13 +0000
Resent-Message-Id: <E1XUeSH-0004tb-L4@frink.w3.org>
MIME-Version: 1.0
In-Reply-To: <CAOdDvNrdrBNi0kZDorR+8K-5-sPFipVr=U0kx5r56oPX_LhJSA@mail.gmail.com>
References: <CAH_y2NF+sP9BmYuD4QbeHpwC_uj67itzaAFCnRVC6f--KDYOgg@mail.gmail.com> <CAOdDvNopynmwvwWLXvuC0q7skunFXcfRoVHe9s7BKcoCwaBgWQ@mail.gmail.com> <CAH_y2NGXz7e3ejqy_rD=39=yYp3+cS1Dm6c3yFEYZg6tsUp5VQ@mail.gmail.com> <CABkgnnWAdm1TLP2XCKNU-6RPACLfooQV73R7Gpoemv+9PNULCA@mail.gmail.com> <CAH_y2NFLjok-NRJtOw1vmSy68sf393iSOgA4K599q0BSBqbNgA@mail.gmail.com> <CABkgnnU-CMtv8KvYU9n+QoPBOBshtQv3RfLy2qw=qVNb2O-qGg@mail.gmail.com> <CAH_y2NHrbH5Objwhq9E89QexhQtND4uOdy8q7OEckTCU17WqKg@mail.gmail.com> <CAH_y2NErRd4rxinSzEH3-uTjdWVkZu9o6sSKSf47LxfPFTRONw@mail.gmail.com> <20140917073241.GA7665@LK-Perkele-VII> <CAFewVt4pxE+9NpzYuzMKGmEdrDXzk50mC99ZbrM6M-uEoKXrHA@mail.gmail.com> <CAH_y2NGYcDvPcxDvaTRBP3p4Pnb7gw39WUDY3bNVnOGQjBgciQ@mail.gmail.com> <CAFewVt7+UAJYfKAR6DRZi_mqdzSaYw6L-pT1qg=UyOaP1ojhTw@mail.gmail.com> <CAH_y2NEhAEaPiUgi_vX6Oimw+Y-k3WrnL0gJZKPxQ8KZVuFVfw@mail.gmail.com> <CABkgnnU6C+TzJzdeQZhwXucuPUrPh1yyp1cpRd9jSePMjAnONQ@mail.gmail.com> <CAH_y2NEHZbWLof=ZWEa2UdjBw1Bf+kQCHzPkrhcSU80WaDibeA@mail.gmail.com> <CAOdDvNrdrBNi0kZDorR+8K-5-sPFipVr=U0kx5r56oPX_LhJSA@mail.gmail.com>
Date: Thu, 18 Sep 2014 18:20:21 +0200
Message-ID: <CAFWmRJ2zq2TOotgNhHNNoPMWfov8_T+ukN_o0Bq8NmaMXZKqEQ@mail.gmail.com>
From: Simone Bordet <simone.bordet@gmail.com>
To: Patrick McManus <pmcmanus@mozilla.com>
Cc: Greg Wilkins <gregw@intalio.com>, HTTP Working Group <ietf-http-wg@w3.org>
Content-Type: text/plain; charset="UTF-8"
Received-SPF: pass client-ip=209.85.223.169; envelope-from=simone.bordet@gmail.com; helo=mail-ie0-f169.google.com
Subject: Re: 9.2.2 Cipher fallback and FF<->Jetty interop problem
Archived-At: <http://www.w3.org/mid/CAFWmRJ2zq2TOotgNhHNNoPMWfov8_T+ukN_o0Bq8NmaMXZKqEQ@mail.gmail.com>
Resent-From: ietf-http-wg@w3.org
Resent-Sender: ietf-http-wg-request@w3.org
Precedence: list

Hi,

On Thu, Sep 18, 2014 at 4:03 PM, Patrick McManus <pmcmanus@mozilla.com> wrote:
> Hi Greg,
>
> This thread is suffering a bit from wall-of-text syndrome for me. Is this
> the main point below?
>
> On Thu, Sep 18, 2014 at 12:18 AM, Greg Wilkins <gregw@intalio.com> wrote:
>>
>>
>> Exactly my point!!!!  If implementations pickup XYZ and some
>> know it is OK but some don't, then we have connection failure.
>>
>
> The scenario as I understand it is:
> 1] some new XYZ is in fact h2 appropriate by 9.2.2,
> 2] a client handshake offers both XYZ and GCM along with h2 and h1
> 3] the server selects XYZ+h2 (which meet the requirements of h2 - good job)
> 4] The client's h2 stack, expecting GCM, is not aware that XYZ satisfies
> 9.2.2 so it generates an h2 INADEQUATE_SECURITY
>
> I would say that's an implementation bug in the client.

Any client that dynamically links the TLS implementation is subject to
this scenario, and certainly it's not an implementation bug in the
client if a deployer chooses to link that client to a newer TLS
library, no ?

Thanks !

-- 
Simone Bordet
http://bordet.blogspot.com
---
Finally, no matter how good the architecture and design are,
to deliver bug-free software with optimal performance and reliability,
the implementation technique must be flawless.   Victoria Livschitz

9.2.2 Cipher fallback and FF<->Jetty interop prob… Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Patrick McManus
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Patrick McManus
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Patrick McManus
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
RE: 9.2.2 Cipher fallback and FF<->Jetty interop … Andrei Popov
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Brian Smith
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Brian Smith
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Amos Jeffries
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Ilari Liusvaara
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Brian Smith
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Cory Benfield
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Brian Smith
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Stuart Douglas
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Cory Benfield
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Patrick McManus
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roy T. Fielding
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roy T. Fielding
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Jason Greene
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Ilari Liusvaara
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Stuart Douglas
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Willy Tarreau
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Willy Tarreau
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Willy Tarreau
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Cory Benfield
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Stuart Douglas
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Amos Jeffries
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Cory Benfield
RE: 9.2.2 Cipher fallback and FF<->Jetty interop … Andrei Popov
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Ilari Liusvaara
RE: 9.2.2 Cipher fallback and FF<->Jetty interop … Andrei Popov
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roy T. Fielding
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Jim Manico
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Jason Greene
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Jason Greene
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Jason Greene
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Mark Nottingham
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Jason Greene
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Patrick McManus
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Willy Tarreau
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Willy Tarreau
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Julian Reschke
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
RE: 9.2.2 Cipher fallback and FF<->Jetty interop … Andrei Popov
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Jason Greene
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Greg Wilkins
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Amos Jeffries
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Amos Jeffries
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Stuart Douglas
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Roland Zink
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Simone Bordet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Michael Sweet
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Eric Rescorla
RE: 9.2.2 Cipher fallback and FF<->Jetty interop … Andrei Popov
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … Martin Thomson
RE: 9.2.2 Cipher fallback and FF<->Jetty interop … Rob Trace
Re: 9.2.2 Cipher fallback and FF<->Jetty interop … John Mattsson