[OpenID] Opt out of Yahoo OpenID?

[sknvn-openid at yahoo.com]

Hi Simon,

No. The auto generated URL will remain the same (for all RPs) for  a user. 
We are using the "directed identity" feature to make it easier for a user to sign in. The user only has to type in "yahoo.com" or click on a button  that RP adds to his/her site and we'll send the right url identifier back after authentication.

Thanks

Naveen

----- Original Message ----
From: Simon Willison <simon at simonwillison.net>
To: Peter Williams <pwilliams at rapattoni.com>
Cc: sknvn-openid at yahoo.com; Hans Granqvist <hans at granqvist.com>; openid-general <general at openid.net>
Sent: Friday, January 18, 2008 3:39:56 PM
Subject: Re: [OpenID] Opt out of Yahoo OpenID?


On 
1/18/08, 
Peter 
Williams 
<pwilliams at rapattoni.com> 
wrote:
> 
We 
cannot 
say 
that 
this 
is 
not 
openid 
(the 
use 
of 
a 
uri 
element 
that 
could 
be 
ciphertext). 
I 
assume 
it 
has 
the 
same 
purpose 
as 
the 
pseudonym 
name 
format 
in 
the 
saml 
standard. 
What 
we 
should 
perhaps 
question 
is 
whether 
openid 
is 
deficient 
in 
its 
use-case 
work 
given 
it 
did 
not 
standardize 
what 
yahoo 
felt 
compelled 
to 
add

As 
I 
understand 
it, 
the 
thing 
Yahoo! 
are 
doing 
(providing 
a 
unique
one-time 
OpenID 
for 
each 
user 
on 
a 
per-site 
basis, 
to 
prevent 
third
parties 
from 
correlating 
user 
behaviour 
across 
multiple 
sites 
without
the 
user's 
permission) 
is 
an 
intended 
consequence 
of 
the 
OpenID 
2.0
specification. 
The 
official 
term 
for 
it 
is 
"directed 
identity", 
but
it's 
not 
widely 
understood 
(in 
fact 
that 
term 
isn't 
used 
in 
the 
OpenID
2.0 
specification 
at 
all). 
It 
would 
be 
useful 
if 
this 
concept 
was
expanded 
upon 
in 
a 
set 
of 
design 
notes 
(or 
similar) 
to 
accompany 
the
specification.

There's 
a 
thread 
about 
directed 
identity 
here:

http://openid.net/pipermail/general/2006-November/thread.html#541



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