1. OpenID Contexts
Chris Messina
OpenID Design Workshop
February 10, 2009 ☕ Facebook, Palo Alto, CA

2. Uses
authentication
•
verification
•
profile retrieval
•
service discovery
•
data access
•

3. Goals
sign in associate
• •
sign up comment
• •
sign out contact
• •
connect profile fill
• •

4. Contexts
web
•
mobile
•
desktop
•
api
•
headless
•

5. Providing identity...
to a service
•
to a person
•
to an authority
•
to an embedded service
•
to a public forum
•

8. Authentication vs Identification

9. Post a comment
Profile address
Name *
Email *
Post comment

10. Profile address
http://factoryj

11. Post a comment
Profile address
http://factoryjoe.com
Verify my profile and import my name and email if available
Name *
Email *
Verify and post comment

13. Post a comment
Profile address
http://factoryjoe.com
Verify my profile and import my name and email if available
Name *
Email *
Post comment

15. Sign in with OpenID

16. OpenID
Sign in with OpenID

17. Fin.
me -› factoryjoe.com