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Re: additional mechanisms on top of the auth framework, was: SECDIR review of draft-ietf-httpbis-p7-auth-24

From: Bjoern Hoehrmann <derhoermi@gmx.net>
Date: Thu, 31 Oct 2013 15:44:24 +0100
To: Julian Reschke <julian.reschke@greenbytes.de>
Cc: Stephen Kent <kent@bbn.com>, secdir <secdir@ietf.org>, Barry Leiba <barryleiba@computer.org>, Pete Resnick <presnick@qti.qualcomm.com>, "Mankin, Allison" <amankin@verisign.com>, HTTP Working Group <ietf-http-wg@w3.org>
Message-ID: <omq479p5tt306gress6en7thrh06lr1ge6@hive.bjoern.hoehrmann.de>
* Julian Reschke wrote:
>On 2013-10-29 20:35, Stephen Kent wrote:
> > ...
> > Later on page 6 the text says:
>> The HTTP protocol does not restrict applications to this simple
>> challenge-response framework for access authentication.Additional
>> mechanisms MAY be used, such as encryption at the transport level or
>> via message encapsulation, and with additional header fields
>> specifying authentication information.However, such additional
>> mechanisms are not defined by this specification.
>> Encryption is not, per se, an authentication mechanism. Please revise
>> this text.
>> ...
>OK. Maybe:
>"HTTP does not restrict applications to this simple challenge-response 
>framework. Additional mechanisms can be used, such as additional header 
>fields carrying authentication information, or encryption on the 
>transport layer in order to provide confidentiality. However, such 
>additional mechanisms are not defined by this specification."

I think doing s/encryption/authentication/ instead would be better.
There is no reason to discuss confidentiality here. Encryption and other
cryptographic techniques are used in many authentication schemes, like
with client certificates; that may have been the idea behind the text.
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
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Received on Thursday, 31 October 2013 14:44:55 UTC

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