On Mon, Jun 7, 2010 at 2:13 PM, SitG Admin
<[email protected]>wrote:

>  OK.  To be clear, I do not believe that XAuth breaks privacy. Therefore, I
>> don't believe browsers need to 'fix' it.
>>
>
> Um . . . you admit (on the blog post) that the only reason this first
> version relies on a single (central) domain is because browsers do not
> currently support it. You also want XAuth to "bootstrap" the (future)
> browser-centric solution. Let's recap:
>
> 1) The browsers, in their current incarnation, do NOT support XAuuth.
> 2) You see a future where browsers add support for XAuth.
> 3) You think that XAuth will encourage browsers to add support.
>
> If the status quo persists then THERE IS A PROBLEM (for XAuth).
>

I don't see how that follows.  My position is that the world would be better
with browser XAuth support but it is not broken without it.  You seem to
think a non-browser-centric version is "broken", but you haven't explained
why you think that.

Specifically, I haven't seen a privacy issue which is simply 'solved' by
moving responsibility into the browser.  I believe browsers are in the best
position to do certain things (like not rely on a central DNS name, remove
SPOFs, and help implement anti-phishing) but these don't specifically
address 'privacy'.  Is there a specific privacy attack / leak you're worried
about that we could discuss?


>
> You are proposing to present browser vendors with a broken model and say
> "Here, it doesn't work *exactly* as advertised yet, but if you add support
> for it, it will!": this is functionally equivalent to "We're going to be
> marketing this to users as if it weren't broken, so if you don't like that,
> it's YOUR job to fix it."
>

No, I'm saying it works as advertised, and would work even better if they
start to support it.  If they don't their users will miss out on a better
user experience. If they do then their users would be happier.  The fact
that IdPs and RPs already (in this scenario) rely on XAuth makes this a much
easier sell than if we were going to them with a blue-sky idea.  Does that
make sense?


>
> -Shade
>
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