Slideshow Transcript

1. Slide 1: Bootcamp Simon Willison David Recordon simonwillison.net davidrecordon.com simon@simonwillison.net drecordon@verisign.com OSCON July 24th, 2007
2. Slide 2: Who are We? • David Recordon • VeriSign Employee since May of 2006 • OpenID Foundation Vice- Chair • Co-Author of various OpenID specifications • Past employee of Six Apart, where OpenID was created
3. Slide 3: Who are We? • Simon Willison • Ex-Yahoo!, now freelance • “Europe’s first OpenID consultant” • Co-creator of the Django Web Framework
4. Slide 4: The Plan • Basic concepts of OpenID • Hands on - Creating and using an OpenID • Adoption, history, and status • Security concerns • Break • Security solutions • Clever and creative hacks • OpenID in code • Q&A
5. Slide 5: What is OpenID?
6. Slide 6: OpenID is a decentralised mechanism for Single Sign On
7. Slide 7: What problems does it solve?
8. Slide 8: “Too many passwords!”
9. Slide 9: “Someone else already grabbed my username”
10. Slide 10: “My online profile is scattered across dozens of sites”
11. Slide 11: What is an OpenID?
12. Slide 12: An OpenID is a URI
13. Slide 13: http://swillison.livejournal.com/
14. Slide 14: http://simonw.myopenid.com/
15. Slide 15: http://openid.aol.com/simonwillison/
16. Slide 16: http://simonwillison.net/
17. Slide 17: What can you do with an OpenID?
18. Slide 18: You can claim that you own it
19. Slide 19: You can prove that claim
20. Slide 20: Why is that useful?
21. Slide 21: You can use it for authentication
22. Slide 22: “Who the heck are you?!” Login? Home | Main Schedule | Map | Mobile | About iCalico | Web 2.0 Expo Search Welcome to ExpoCal! Go Social calendaring for Web 2.0 Expo, April. 15-18, 2007. Build lists of interesting looking sessions, check out what your friends are going to see, or tag surf your way to serependity. My Schedule By Day You need to be logged in to keep a SUNDAY, APRIL 15, MONDAY, APRIL 16, WEDNESDAY, APRIL 18, TUESDAY, APRIL 17, 2007 list of talks and sessions you are 2007 2007 2007 interested in attending. Popular Today Popular Today Popular Today Popular Today \"Building Social \"Conference Welcome\" Tim \"Mobile 2.0\" Ajit Jaokar Mike \"Welcome\" Tim O'Reilly login | sign up Applications\" Stowe Boyd O'Reilly McCue; Ilkka Raiskinen; \"Jeff Weiner in Conversation \"High Performance \"A Conversation with Jeff Paola Tonelli with John Battelle\" Jeff Webpages\" Steve Bezos\" Jeffrey P. Bezos \"State of the Web 2.0: Weiner John B... Souders Tenni Theurer \"Built to Last or Built to Measuring the Participatory \"Web 2.0 for the Enterprise: Is \"Ignite\" Sell: Is There a Difference? Web\" Bill Tancer It Soup Yet?\" Dan Farber \" John Batt... \"Eric Schmidt in Conversation Satish Dha... Today: All with John Battelle\" Eric Today: All Today: All Schmidt John... Today: All Popular: Tags Popular: Speaker Community Design and User Ajit Jaokar Bill Tancer Brian Mulloy Charlene Ajax Li Dan Farber David Knight Dirk-Willem van Experience Keynotes Marketing Gulik Dmitry Dimov Eric Schmidt Ilkka and Community Strategy and Raiskinen James Baty Jay Adelson Jay Business Models Web 2.0 Bhatti Jeff Weiner Jeffrey P. Bezos Joe Fundamentals Web 2.0 Services John Battelle Kathy Sierra Kelly Kraus and Platforms Web Operations advertising Goto Kerry Fleming Kevin Lynch Luke Sontag business design digitalid django experience Mike McCue Mena Trott Paola Tonelli flickr free google javascript marketing microformats products and services Rich Skrenta Ross Mayfield Satish openid php Dharmaraj Subrah Iyar Tim O'Reilly rails search skypejournal social syndication all tags yahoo everybody! Random People ChrisC1971 alexiskold atomsplitter billvision brady emccm Everything! gervasio goodsboy gustav heinika hienhuynh hotwheel http://jalanoly.pip.verisignlabs.com/ Find: all talks, the all speakers, all tags, or users. http://suleyman.pip.verisignlabs.com/ http://vishnu.myopenid.com/ jessie jggaines leeclw maisany markgoines nborwankar pbuder philip ron_topright shameer shua slevine timknight tomas wilsonminer
23. Slide 23: “I’m simonwillison.net”
24. Slide 24: “prove it!” Login? Home | Main Schedule | Map | Mobile | About iCalico | Web 2.0 Expo Search Welcome to ExpoCal! Go Social calendaring for Web 2.0 Expo, April. 15-18, 2007. Build lists of interesting looking sessions, check out what your friends are going to see, or tag surf your way to serependity. My Schedule By Day You need to be logged in to keep a SUNDAY, APRIL 15, MONDAY, APRIL 16, WEDNESDAY, APRIL 18, TUESDAY, APRIL 17, 2007 list of talks and sessions you are 2007 2007 2007 interested in attending. Popular Today Popular Today Popular Today Popular Today \"Building Social \"Conference Welcome\" Tim \"Mobile 2.0\" Ajit Jaokar Mike \"Welcome\" Tim O'Reilly login | sign up Applications\" Stowe Boyd O'Reilly McCue; Ilkka Raiskinen; \"Jeff Weiner in Conversation \"High Performance \"A Conversation with Jeff Paola Tonelli with John Battelle\" Jeff Webpages\" Steve Bezos\" Jeffrey P. Bezos \"State of the Web 2.0: Weiner John B... Souders Tenni Theurer \"Built to Last or Built to Measuring the Participatory \"Web 2.0 for the Enterprise: Is \"Ignite\" Sell: Is There a Difference? Web\" Bill Tancer It Soup Yet?\" Dan Farber \" John Batt... \"Eric Schmidt in Conversation Satish Dha... Today: All with John Battelle\" Eric Today: All Today: All Schmidt John... Today: All Popular: Tags Popular: Speaker Community Design and User Ajit Jaokar Bill Tancer Brian Mulloy Charlene Ajax Li Dan Farber David Knight Dirk-Willem van Experience Keynotes Marketing Gulik Dmitry Dimov Eric Schmidt Ilkka and Community Strategy and Raiskinen James Baty Jay Adelson Jay Business Models Web 2.0 Bhatti Jeff Weiner Jeffrey P. Bezos Joe Fundamentals Web 2.0 Services John Battelle Kathy Sierra Kelly Kraus and Platforms Web Operations advertising Goto Kerry Fleming Kevin Lynch Luke Sontag business design digitalid django experience Mike McCue Mena Trott Paola Tonelli flickr free google javascript marketing microformats products and services Rich Skrenta Ross Mayfield Satish openid php Dharmaraj Subrah Iyar Tim O'Reilly rails search skypejournal social syndication all tags yahoo everybody! Random People ChrisC1971 alexiskold atomsplitter billvision brady emccm Everything! gervasio goodsboy gustav heinika hienhuynh hotwheel http://jalanoly.pip.verisignlabs.com/ Find: all talks, the all speakers, all tags, or users. http://suleyman.pip.verisignlabs.com/ http://vishnu.myopenid.com/ jessie jggaines leeclw maisany markgoines nborwankar pbuder philip ron_topright shameer shua slevine timknight tomas wilsonminer
25. Slide 25: (crypto happens)
26. Slide 26: “OK, you’re in!” Login? Home | Main Schedule | Map | Mobile | About iCalico | Web 2.0 Expo Search Welcome to ExpoCal! Go Social calendaring for Web 2.0 Expo, April. 15-18, 2007. Build lists of interesting looking sessions, check out what your friends are going to see, or tag surf your way to serependity. My Schedule By Day You need to be logged in to keep a SUNDAY, APRIL 15, MONDAY, APRIL 16, WEDNESDAY, APRIL 18, TUESDAY, APRIL 17, 2007 list of talks and sessions you are 2007 2007 2007 interested in attending. Popular Today Popular Today Popular Today Popular Today \"Building Social \"Conference Welcome\" Tim \"Mobile 2.0\" Ajit Jaokar Mike \"Welcome\" Tim O'Reilly login | sign up Applications\" Stowe Boyd O'Reilly McCue; Ilkka Raiskinen; \"Jeff Weiner in Conversation \"High Performance \"A Conversation with Jeff Paola Tonelli with John Battelle\" Jeff Webpages\" Steve Bezos\" Jeffrey P. Bezos \"State of the Web 2.0: Weiner John B... Souders Tenni Theurer \"Built to Last or Built to Measuring the Participatory \"Web 2.0 for the Enterprise: Is \"Ignite\" Sell: Is There a Difference? Web\" Bill Tancer It Soup Yet?\" Dan Farber \" John Batt... \"Eric Schmidt in Conversation Satish Dha... Today: All with John Battelle\" Eric Today: All Today: All Schmidt John... Today: All Popular: Tags Popular: Speaker Community Design and User Ajit Jaokar Bill Tancer Brian Mulloy Charlene Ajax Li Dan Farber David Knight Dirk-Willem van Experience Keynotes Marketing Gulik Dmitry Dimov Eric Schmidt Ilkka and Community Strategy and Raiskinen James Baty Jay Adelson Jay Business Models Web 2.0 Bhatti Jeff Weiner Jeffrey P. Bezos Joe Fundamentals Web 2.0 Services John Battelle Kathy Sierra Kelly Kraus and Platforms Web Operations advertising Goto Kerry Fleming Kevin Lynch Luke Sontag business design digitalid django experience Mike McCue Mena Trott Paola Tonelli flickr free google javascript marketing microformats products and services Rich Skrenta Ross Mayfield Satish openid php Dharmaraj Subrah Iyar Tim O'Reilly rails search skypejournal social syndication all tags yahoo everybody! Random People ChrisC1971 alexiskold atomsplitter billvision brady emccm Everything! gervasio goodsboy gustav heinika hienhuynh hotwheel http://jalanoly.pip.verisignlabs.com/ Find: all talks, the all speakers, all tags, or users. http://suleyman.pip.verisignlabs.com/ http://vishnu.myopenid.com/ jessie jggaines leeclw maisany markgoines nborwankar pbuder philip ron_topright shameer shua slevine timknight tomas wilsonminer
27. Slide 27: So it’s a bit like Microsoft Passport, then?
28. Slide 28: Yes, at a high level
29. Slide 29: But you don’t need to ask Microsoft’s permission to implement it
30. Slide 30: One organisation doesn’t get to own everyone’s credentials
31. Slide 31: And the standard isn’t owned by any one company or group
32. Slide 32: Who does get to own them?
33. Slide 33: You, the user, decide.
34. Slide 34: You pick your own provider
35. Slide 35: (just like e-mail)
36. Slide 36: So I’m still giving someone the keys to my kingdom?
37. Slide 37: Yes, but it can be someone you trust
38. Slide 38: If you have the ability to run your own server software, you can do it for yourself
39. Slide 39: We'll show you how to do that a little later on
40. Slide 40: OK, how do I use it?
41. Slide 45: So my users don’t have to sign up for an account?
42. Slide 46: Not necessarily
43. Slide 47: An OpenID tells you very little about a user
44. Slide 48: You don’t know their name
45. Slide 49: You don’t know their e-mail address
46. Slide 50: You don’t know if they’re a person or a spambot
47. Slide 51: (or a dog)
48. Slide 52: Where do I get that information from?
49. Slide 53: You ask them!
50. Slide 54: OpenID augments your regular sign-up process; it doesn't replace it
51. Slide 55: The simple registration extension can help users fill out your registration form
52. Slide 58: How can I tell if they’re an evil spambot?
53. Slide 59: Same as usual: challenge them with a CAPTCHA
54. Slide 60: botbouncer.com lets you outsource your CAPTCHAs
55. Slide 62: So how does OpenID actually work?
56. Slide 65: <link rel=\"openid.server\" href=\"http://www.myopenid.com/server\" />
57. Slide 66: “I’m simonwillison.myopenid.com”
58. Slide 67: Site fetches HTML, discovers identity provider
59. Slide 68: Establishes shared secret with identity provider (Using Diffie-Hellman key exchange)
60. Slide 69: Redirects you to the identity provider
61. Slide 70: If you’re logged in there, you get redirected back
62. Slide 71: How does my identity provider know who I am?
63. Slide 72: OpenID deliberately doesn’t specify
64. Slide 73: username/password is common
65. Slide 74: But providers can use other methods if they want to
66. Slide 75: Client SSL certificates
67. Slide 76: Out of band authentication via SMS, e-mail or Jabber
68. Slide 77: IP based login restrictions
69. Slide 78: SecurID keyfobs
70. Slide 79: The provider’s business is authentication: they can invest much more effort than regular sites
71. Slide 80: It’s also possible for a provider to just say “yes” to every query
72. Slide 81: Just say “yes”?
73. Slide 82: http://www.jkg.in/openid/ does this
74. Slide 83: Users can give away their passwords today - this is the OpenID equivalent
75. Slide 84: It's similar to bugmenot.com
76. Slide 85: What if I decide I hate my provider?
77. Slide 86: Use your own domain name
78. Slide 87: Delegate to a provider you trust
79. Slide 90: <link rel=\"openid.server\" href=\"http://www.livejournal.com/openid/server.bml\"> <link rel=\"openid.delegate\" href=\"http://swillison.livejournal.com/\">
80. Slide 91: This minimises lock in and ensures easy portability
81. Slide 92: So everyone will end up with one OpenID that they use for everything?
82. Slide 93: Probably not
83. Slide 94: (I have half a dozen OpenIDs already)
84. Slide 95: People like maintaining multiple online personas
85. Slide 96: professional social secret ...
86. Slide 97: OpenID makes it easier to manage multiple online personas
87. Slide 98: Three accounts is still better than three dozen
88. Slide 99: Some providers let you host multiple OpenIDs, or create a new one for every site you sign in to
89. Slide 100: Why is OpenID worth implementing over all the other identity standards?
90. Slide 101: It’s simple
91. Slide 102: Unix philosophy: It solves one, tiny problem
92. Slide 103: It’s a dumb network
93. Slide 104: Many of the competing standards are now on board
94. Slide 105: Isn’t putting all my eggs in one basket a really bad idea?
95. Slide 106: Bad news: chances are you already do
96. Slide 107: “I forgot my password” means your e-mail account is already an SSO mechanism
97. Slide 108: OpenID just makes this a bit more obvious
98. Slide 109: What about phishing?
99. Slide 110: Phishing is a problem
100. Slide 111: I can has lolcats!? BETA Make your own lolcats! lol Sign in with your OpenID: OpenID: Sign in http://icanhascheezburger.com/2007/05/16/i-has-a-backpack/
101. Slide 112: Fake edition Your identity provider Username and password, please! Username: Password: Log in
102. Slide 113: Identity theft :(
103. Slide 114: An untrusted site redirects you to your trusted provider
104. Slide 115: Sound familiar?
105. Slide 116: PayPal Yahoo! BBAuth Google Auth Google Checkout
106. Slide 117: We'll talk about some potential solutions later
107. Slide 118: Doesn’t this outsource the security of my users to untrusted third parties?
108. Slide 119: Yes it does. But...
109. Slide 120: ... so do “forgotten password” e-mails!
110. Slide 121: If e-mail is secure enough for your user’s authentication, so is OpenID
111. Slide 122: Password e-mails are essentially SSO with a bad user experience
112. Slide 123: What are the privacy implications?
113. Slide 124: Cross correlation of accounts
114. Slide 125: Don’t publish a user’s OpenID without making it clear that you’re going to do that
115. Slide 126: Allow users to opt-out of sharing their OpenID
116. Slide 127: The online equivalent of a credit reporting agency?
117. Slide 128: This could be built today by sites conspiring to share e-mail addresses
118. Slide 129: IANAL, but legal protections against this already exist
119. Slide 130: “Directed identity” in OpenID 2.0 makes it easy to use a different OpenID for every site
120. Slide 131: Patents?
121. Slide 132: Sun,VeriSign and JanRain have both announced “patent covenants”
122. Slide 133: They won’t smack you down with their patents for using OpenID 1.1
123. Slide 134: They will smack down anyone else who asserts their own patents against OpenID
124. Slide 135: The OpenID Foundation is working on an IPR Policy
125. Slide 136: Who else is involved?
126. Slide 137: ~120M OpenIDs
127. Slide 138: ~4200 RPs
128. Slide 139: AOL - provider, full consumer very soon
129. Slide 140: Microsoft: Bill Gates expressed their interest at