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Re: [OAUTH-WG] FW: MAC: Cookie name or value as MAC key id

Eran Hammer-Lahav <eran@hueniverse.com> Wed, 15 June 2011 05:48 UTC

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From: Eran Hammer-Lahav <eran@hueniverse.com>
To: "Manger, James H" <James.H.Manger@team.telstra.com>, oauth <oauth@ietf.org>
Date: Tue, 14 Jun 2011 22:48:07 -0700
Thread-Topic: [OAUTH-WG] FW: MAC: Cookie name or value as MAC key id
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Subject: Re: [OAUTH-WG] FW: MAC: Cookie name or value as MAC key id
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This whole cookie thing is a 'a bit hacky'... that's part of what we're working with... :-)

EHL

> -----Original Message-----
> From: Manger, James H [mailto:James.H.Manger@team.telstra.com]
> Sent: Tuesday, June 14, 2011 10:39 PM
> To: Eran Hammer-Lahav; oauth
> Subject: RE: [OAUTH-WG] FW: MAC: Cookie name or value as MAC key id
> 
> >> How does the server know if a particular request with a
> >> "Authorization: MAC ..." header is using credentials from OAuth 2.0 or
> from Set-Cookie?
> 
> > This should be pretty easy to resolve with a common-sense deployment
> and key identifiers.
> 
> You are right, Eran. Though putting a cookie-name in a key id field is a bit
> hacky, in practice a server can work this out with a little bit of code, perhaps a
> little config, and a little bit of sense choosing names.
> 
> I withdraw my suggestion for using the cookie-value as the key id.
> 
> --
> James Manger

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