[OpenID] XRDS multi-OP listing?

[Nat Sakimura]

XRDS already supports it. It has precedence mechanism just like MX in DNS.
Just give lower number to Weaker AuthN OP. Then, it is done.

=nat

On Fri, Jun 6, 2008 at 4:42 AM, SitG Admin
<sysadmin at shadowsinthegarden.com> wrote:
>>It would be better to say "I'd like OP1, but only for PCs, and OP2
>>for iPhones, ..." all somehow expressed in the XRDS file so the RP
>>could do the redirect to the right OP based on which device I'm
>>using, all while using the same identifier.
>
> On a related note, I'd like it if the XRDS file could (optionally)
> have multiple OP's identified in such a way that the RP *should* take
> its cue to (if offering that feature) ask the user which OP they want
> to use rather than redirecting them right away. I'm not sure but I
> *think* XRDS would be the right place to start with this; the idea
> being that, if I had an OP that used one-time-only passwords for
> authentication, I'd want to save those pre-readied passwords for the
> situations when I *really* wanted them, and otherwise use a "weaker"
> OP.
>
> I could also exert some control over my privacy by electing to use
> OP#1 for my work-related logins, OP#2 for my personal logins, OP#3
> for my recreational logins, OP#4 for sites I wasn't sure about yet,
> and so on. Any visitor to my site could determine which OP's were
> *possible*, but would have no guarantee that I actually *used* any
> particular one of them, and compromising the data stored by any
> single OP would not yield *all* my online activities.
>
> -Shade
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-- 
Nat Sakimura (=nat)
http://www.sakimura.org/en/