I am not aware of the use cases where the client credentials flow is used for 
authenticating anything, but a client. But the flow is used for authorizing 
access to the resources other than those owned by a client.

>From OAuth2.0 -05.txt:
The client credentials flow is used when the client acts on behalf of
   itself (the client is the resource owner), or when the client
   credentials are used to obtain an access token representing a
   previously established access authorization.

I am for the initial proposal to replace "none".

Zachary
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Eran 
Hammer-Lahav
Sent: Friday, July 16, 2010 6:27 PM
To: Brian Eaton
Cc: OAuth WG
Subject: Re: [OAUTH-WG] Change grant_type="none" to something less confusing

The client authentication can be used to retrieve a grant previously arranged. 
While the grant is linked to the client, it is not always about the client's 
resources. Calling it 'client' implies it is about the client's resources. 

EHL



On Jul 16, 2010, at 18:19, Brian Eaton <[email protected]> wrote:

> On Fri, Jul 16, 2010 at 2:25 PM, Eran Hammer-Lahav <[email protected]> 
> wrote:
>> External, out-of-band, implicit.
>> 
>> It cannot be client because that is not always the case.
> 
> Can you point to a use case where someone is going to use the client
> password flow to authenticate something besides a client?
> 
> Because I'm pretty sure that use case is crazy, and can safely be ignored.
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