And I am now seriously, seriously confused about your use case.

Why do you need refresh tokens?

Can you give more details?

On Thu, Jul 8, 2010 at 12:32 PM, Yaron Goland <[email protected]> wrote:

> Here is what I think happened.
>
> In OAuth WRAP section 5.2.3 the wrap_assertion and wrap_assertion_format
> arguments were used to allow clients to authenticate themselves to token
> endpoints in two legged OAuth scenarios.
>
> In OAuth 2.0 two legged OAuth as a separate definition was removed and
> instead merged into three legged OAuth (something that I think is a
> feature). But in making this transition the original wrap_assertion and
> wrap_assertion_format arguments got turned into assertion_type and
> assertion.
>
> But (and this part is tricky so please read carefully) assertion_type and
> assertion were part of the grant_type structure which was not used for AuthN
> (the way client_id/client_secret are) but rather for AuthZ (like refresh
> tokens).
>
> Having assertion/assertion_type was still a very good improvement in the
> protocol since we have plenty of real world scenarios where we need to use
> assertions for AuthZ but the change left  a big hole - how do use an
> assertion for AuthN?
>
> That's where the client_assertion/client_assertion_type come in.
>
> So the whole confusion really seems to have come about because OAuth in
> doing a good thing (unifying 2 and 3 legged patterns) ended up moving
> assertions from AuthN to AuthZ, which was actually a new (and useful)
> feature but as a consequence created a hole that didn't exist with WRAP when
> dealing with AuthN.
>
> So by putting in client_assertion/client_assertion_type and keeping
> assertion/assertion_type we get the best of all worlds. We can now use
> assertions for both AuthN and AuthZ.
>
>        Yaron
>
> > -----Original Message-----
> > From: [email protected] [mailto:[email protected]] On Behalf
> > Of Brian Eaton
> > Sent: Wednesday, July 07, 2010 2:03 PM
> > To: Eran Hammer-Lahav
> > Cc: Hannes Tschofenig; OAuth WG
> > Subject: Re: [OAUTH-WG] assertion profile changes
> >
> > On Wed, Jul 7, 2010 at 1:08 PM, Eran Hammer-Lahav
> > <[email protected]> wrote:
> > > It is pretty much the same as originally proposed. Any recent changes
> > > are an oversight, not any intentional change. Since it was proposed,
> > > the only change made (with full consensus) was to allow client
> > > authentication as an optional request parameter, as well as allow a
> > > refresh token as an optional response parameter.
> >
> > Can you point me to the e-mail threads that reached consensus on using
> > client authentication?
> >
> > Can you point me to the e-mail threads that reached consensus on
> returning
> > a refresh token?
> > _______________________________________________
> > OAuth mailing list
> > [email protected]
> > https://www.ietf.org/mailman/listinfo/oauth
>
>
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