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Re: 2nd Working Group Last Call: draft-ietf-httpbis-encryption-encoding-03.txt

"Poul-Henning Kamp" <phk@phk.freebsd.dk> Wed, 19 October 2016 06:32 UTC

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To: Julian Reschke <julian.reschke@gmx.de>
cc: Martin Thomson <martin.thomson@gmail.com>, Mark Nottingham <mnot@mnot.net>, HTTP working group mailing list <ietf-http-wg@w3.org>, Patrick McManus <pmcmanus@mozilla.com>
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From: Poul-Henning Kamp <phk@phk.freebsd.dk>
References: <147607568231.30483.6721771001967558206.idtracker@ietfa.amsl.com> <06660B0E-6F8D-42DF-A909-C216B49FB590@mnot.net> <03fb16fd-35d4-e5d3-86d4-317b1016829e@gmx.de> <CABkgnnWKOTheZ9Gf9WLfVWAsQwNWi=EM6LhX=Za+UXnXQkf6AQ@mail.gmail.com> <90ee7958-5697-23ad-6f52-060f58800067@gmx.de>
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Subject: Re: 2nd Working Group Last Call: draft-ietf-httpbis-encryption-encoding-03.txt
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--------
In message <90ee7958-5697-23ad-6f52-060f58800067@gmx.de>, Julian Reschke writes
:

>In any case: this sounds like a band-aid. I think it would be good to 
>discuss the whole parametrization of content codings...

I have been pondering the "only encryptions will need parameters"
comment somebody made some days ago, and I have a hard time finding
out why that should be true.

Why is it that encryptions cannot prefix their necessary parameters
in the wame way compressions do (see gzip header) ?

Or to be concrete:  Why wouldn't this work:

   HTTP/1.1 200 OK
   Content-Type: text/html
   Content-Encoding: gzip, aesgcm
   Transfer-Encoding: chunked

   {magic marker}
   keyid="me@example.com";
   salt="m2hJ_NttRtFyUiMRPwfpHA"
   {magic terminator}
   [encrypted payload]

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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