Your Single Identity on the Web
(2.0)
Allagappan M
www.alagu.net
Yahoo! R&D India

?
Who has used
OpenID?

Too many startups!
Login/Password for everything!
I lost my password!
Register-Emailconfirm-
Login-Use
My Username is
already taken.
Scattered profiles I spend a lot of time
across the web writing Auth
Bugmenot.com
KeyPass – store
your passwords

?
What is OpenID?

Single Sign On
for the web

Brad Fitzpatrick
Simon Willison
David Recordon

URI is my Username
http://getopenid.com/username
http://www.myblogurl.com/

Claim it
Prove it!

Quite like Microsoft
Passport
No one owns
OpenID. M$
does.

You choose your
provider
Which could be you as
well.

Go to the site OpenID
and click on consumer
OpenID login (eg. your blog)
User accesses
services
Your box without
registration :) Redirects
Key Exchange to your
happens OpenID
Logged In provider
Authentication
OpenID provider

`
Decentralization

`
Different Auth
methods

Single Point
`
Failure?
Not at all!

`
So,
1 Person = 1 OpenID?
Not necessarily.

Use your blog URL
`
as your OpenID
Hide your provider.

Just those two lines.

Security?
`
Phishing?
Choose your provider
wisely, use Sign in Seal.

Is this geeky?
`
Do people support
this?

Yahoo! Blogger
Wordpress
`
Microsoft
Mediawiki
phpBB2
VeriSign
Livejournal
Reebok!
Firefox 3 AOL

`
Provide
&
Consume.
Contribute to the
ecosystem

OpenID your blog
`
OpenID your
products

? Q/A