Introduction to OpenID Connect
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This document summarizes a presentation about OpenID Connect. OpenID Connect is an identity layer on top of the OAuth 2.0 protocol that allows clients to verify the identity of the user based on the authentication performed by an authorization server, as well as to obtain basic profile information about the user. It defines core functionality for modern identity frameworks by standardizing how clients and servers discover and use identity data exposed by identity providers and how clients can verify that identity data. The presenter discusses how OpenID Connect provides a simple yet powerful way to authenticate users and share attributes about them between websites and applications in an interoperable manner.
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Identity = set of attributes
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Introduction to OpenID Connect
- 1. Connect OpenID OpenID Connect Nat Sakimura Chairman Senior Researcher C6b. New School Identity Frameworks Panel Foundation
- 2. Connect OpenID OAuth 2.0 Identity Layer on top of Base Protocol
- 4. Connect OpenID Identity = set of attributes related to an entity [iso 29115]
- 7. Connect OpenID No direct way to perceive Human
- 9. Connect OpenID Entity Identity Identity Sex Mail height Boy Friend Sex height Real Name Self Recognition Delta between Self and 3rd Party Recognitionă= interpersonal problem Delta between Self and 3rd Party Recognition= interpersonal problem Role Relatio nship 3rd Party Recognition Relationship Friends Boss Self Recognition 3rd Party Recognition Street Address Nickname Birthday Street Address Employee number licnese performance
- 14. Connect OpenID Q Why not just OAuth?
- 15. Connect OpenID OAuth is an Access Granting Protocol Bettyâs Profile Alice Cindy Cindy â Betty Alice â Betty
- 16. Connect OpenID Facebook extends OAuth with âsigned requestâ âID Tokenâ in OpenID Connect
- 20. Connect OpenID Signed Request âąâŻ Works only with a single identity provider âąâŻ Proprietary signature format ID Token âąâŻ Works with multiple identity providers âąâŻ IETF JSON Web Signature
- 21. Connect OpenID ID Token Claims Example { "iss": "https://server.example.com", "sub": "248289761001", "aud": "0acf77d4-b486-4c99-bd76-074ed6a64ddf", "iat": 1311280970, "exp": 1311281970, "nonce": "n-0S6_WzA2Mj" }
- 22. Connect OpenID Stick with OpenID Connect and not âOAuth Authenticationâ
- 23. Connect OpenID An Identity Layer provides: âąâŻ is the user that got authenticated Who âąâŻ was he authenticated Where âąâŻ was he authenticated When âąâŻ was he authenticated How âąâŻ attributes he can give you What âąâŻ he is providing them Why
- 29. Connect OpenID Interoperable âąâŻ openid, profile, email, address, phone Standard scopes âąâŻ Request object and claims Method to ask for more granular claims âąâŻ Info about the authenticated user ID Token âąâŻ Get attributes about the user âąâŻ Translate the tokens UserInfo endpoint
- 30. Connect OpenID Simple & Mobile Friendly JSON Based REST Friendly In simplest cases, just copy and paste Mobile & App Friendly e.g., ID Token is signed JSON { "iss": "https://client.example.com", âsub": "24400320", "aud": "s6BhdRkqt3", "nonce": "n-0S6_WzA2Mj", "exp": 1311281970, "iat": 1311280970, "auth_time": 1311280969, "acr": "2", "at_hash": "MTIzNDU2Nzg5MDEyMzQ1Ng" }
- 31. Connect OpenID Secure âąâŻ ISO/IEC 29115 Entity Authentication Assurance âąâŻ Choice of crypto LoA1 LoA2 LoA3 LoA4
- 32. Connect OpenID Flexible âąâŻ Through Request Object (JSON) âąâŻ Data Minimization Granular Request âąâŻ Does not disclose data recipients to data sources Aggregated Claims âąâŻ Decentralized Data Storage Distributed Claims
- 33. Connect OpenID Choice of your provider Can be Google, eBay, AOL, Deutsche Telecom etc. Can be your Phone => Self-Issued Provider
- 35. Connect OpenID Name: Alice de Wonderland Mail: [email protected] Notary: Google. Official Google Seal æ ȘćŒäŒ 瀟ă°ăŒ ă°ă«ć° Name: Alice de Wonderland Mail: [email protected] Notary: Google. SAML Authentication 1.⯠Who are you. Get me a referral letter. Do not forget about Your email! 2. Plz write me a referral letteră 3. Here you are Alice 4. Here is the certificate. notary Eve Official Google Seal
- 36. Connect OpenID 1.⯠Who are YOU? Give me a valet key to your house. Then I will trust that you are the owner of the house. 2. Can you give me a valet key to my house? 3. Here you are! Alice 4. Her is the key! Pseudo-Authentication using OAuth Apartment Controller Eve
- 37. Connect OpenID OpenID Connect Authentication 1.⯠Who are you. Get me a referral letter. Do not forget about Your email! 2. Give Eve the locker Key and a referral letter. 3. Here you are! Alice 4. Here you are DateïŒ2011/5/15 11:00:04 Level of AssuranceïŒ2 VerifierïŒGoogle Official Google Seal Butler Locker Locker Eve DateïŒ2011/5/15 11:00:04 Level of AssuranceïŒ2 VerifierïŒGoogle Official Google Seal
- 38. Connect OpenID OpenID Connect's Clams aggregation and distributed claims. Name: Alice de Wanderland DoB: 1989/3/3 Sex: F Address: 135 Broadway., NY, NY NY City Official Seal Locker UserInfo Endpoint Site X Site Y Site Z Eve
- 39. Connect OpenID Applying it to Enterprise model
- 40. Connect OpenID Entity Identity Identity Sex Mail height Boy Friend Sex height Real Name Self Recognition Delta between Self and 3rd Party Recognitionă= interpersonal problem Delta between Self and 3rd Party Recognition= interpersonal problem Role Relatio nship 3rd Party Recognition Relationship Friends Boss Self Recognition 3rd Party Recognition Street Address Nickname Birthday Street Address Employee number licnese performance
- 41. Connect OpenID Real Name Professional qualification department Geo-location Employee number Entity Identity Resource Authentication Policy Enforcement Rules
- 42. Connect OpenID ABAC (Attribute Based Access Control) Based on SP800-162 figure on page viii identity Resource Rules
- 43. Connect OpenID Real Name Professional qualification department Geo-location Employee number Entity Identity Resource Authentication PEP PDP PAP Boss Metadata Log Log
- 44. Connect OpenID Q What kind of âIdentityâ (set of attributes) an enterprise needs?
- 45. Connect OpenID Current Standard Claims wont do
- 46. Connect OpenID UserInfo Claims âąâŻ sub âąâŻ name âąâŻ given_name âąâŻ family_name âąâŻ middle_name âąâŻ nickname âąâŻ preferred_username âąâŻ profile âąâŻ picture âąâŻ website âąâŻ gender âąâŻ birthdate âąâŻ locale âąâŻ zoneinfo âąâŻ updated_at âąâŻ email âąâŻ email_verified âąâŻ phone_number âąâŻ phone_number_verified âąâŻ address
- 47. Connect OpenID UserInfo Claims Example { "sub": "248289761001", "name": "Jane Doe", "given_name": "Jane", "family_name": "Doe", "email": "[email protected]", "email_verified": true, "picture": "http://example.com/janedoe/me.jpg" }
- 48. Connect OpenID Perhaps we need standard âenterpriseâ claims
- 50. Connect OpenID SCIM Enterprise User Schema Extension âąâŻ employeeNumber â⯠Numeric or alphanumeric identifier assigned to a person, typically based on order of hire or association with an organization. âąâŻ costCenter â⯠Identifies the name of a cost center. organization Identifies the name of an organization. âąâŻ division â⯠Identifies the name of a division. âąâŻ department â⯠Identifies the name of a department. âąâŻ manager â⯠The User's manager. A complex type that optionally allows Service Providers to represent organizational hierarchy by referencing the "id" attribute of another User.
- 52. Connect OpenID Perhaps we need standard âenterpriseâ claims
- 53. Connect OpenID Q When shall I start using OpenID Connect?
- 54. Connect OpenID Timeline 2nd Implementers Draft Public Review (45 days) 2nd Implementers Draft Vote (14 days) Final Review (60 days) Final We are here! December 2013
- 56. Connect OpenID OAuth and OpenID Connect: In the Trenches Wednesday, July 10, 4:00 â 5:30 PM Salon C/D/E to be continued at âŠ
- 59. Connect OpenID Working Group Members âąâŻ Key working group participants: â⯠Nat Sakimura â Nomura Research Institute â Japan â⯠John Bradley â Ping Identity â Chile â⯠Breno de Medeiros â Google â US â⯠Axel Nennker â Deutsche Telekom â Germany â⯠Torsten Lodderstedt â Deutsche Telekom â Germany â⯠Roland Hedberg â UmeĂ„ University â Sweden â⯠Andreas Ă kre Solberg â UNINETT â Norway â⯠Chuck Mortimore â Salesforce â US â⯠Brian Campbell â Ping Identity â US â⯠George Fletcher â AOL â US â⯠Justin Richer â Mitre â US â⯠Nov Matake â Independent â Japan â⯠Mike Jones â Microsoft â US âąâŻ By no means an exhaustive list!
- 60. Connect OpenID Design Philosophy Simple Things Simple Complex Things Possible
- 61. Connect OpenID Simple Things Simple UserInfo endpoint for simple claims about user Designed to work well on mobile phones
- 62. Connect OpenID How We Make It Simple âąâŻ Build on OAuth 2.0 âąâŻ Use JavaScript Object Notation (JSON) âąâŻ Build only the pieces that you need âąâŻ Goal: Easy implementation on all modern development platforms
- 63. Connect OpenID Complex Things Possible Encrypted Claims Aggregated Claims Distributed Claims
- 64. Connect OpenID A Look Under the Covers âąâŻ ID Token âąâŻ Claims Requests âąâŻ UserInfo Claims âąâŻ Example Protocol Messages
- 65. Connect OpenID OpenID Connect Authentication 1.⯠Who are you. Get me a referral letter. Do not forget about Your email! 2. Give Eve the locker Key and a referral letter. 3. Here you are! Alice 4. Here you are DateïŒ2011/5/15 11:00:04 Level of AssuranceïŒ2 VerifierïŒGoogle Official Google Seal Butler Locker Locker Bob DateïŒ2011/5/15 11:00:04 Level of AssuranceïŒ2 VerifierïŒGoogle Official Google Seal Access Token ID Token
- 66. Connect OpenID ID Token âąâŻ JWT representing logged-in session âąâŻ Claims: â⯠iss â Issuer â⯠sub â Identifier for subject (user) â⯠aud â Audience for ID Token â⯠iat â Time token was issued â⯠exp â Expiration time â⯠nonce â Mitigates replay attacks â⯠at_hash â Left hash of the access token â⯠azp â Authorized Party
- 67. Connect OpenID ID Token Claims Example { "iss": "https://server.example.com", "sub": "alice", "aud": "https://bob.example.com", "iat": 1311280970, "exp": 1311281970, "nonce": "n-0S6_WzA2Mj", "at_hash": "MTIzNDU2Nzg5MDEyMzQ1Ng", "azp": "https://cindy.example.com/" }
- 68. Connect OpenID at_hash makes ID Token a detached signature for the access token
- 69. Connect OpenID azp allows token to be used by another party Site X Cindy Bob ID Token Access Token
- 70. Connect OpenID Using Access Token only for Authentication is Dangerous. 1.⯠Who are you. Get me a referral letter. Do not forget about Your email! 2. Give Eve the locker Key and a referral letter. 3. Here you are! Alice 4. Here you are Butler Access Token Eve
- 71. Connect OpenID OpenID Connect's Clams aggregation and distributed claims. Name: Alice de Wanderland DoB: 1989/3/3 Sex: F Address: 135 Broadway., NY, NY NY City Official Seal Locker UserInfo Endpoint Site X Site Y Site Z Bob
- 73. Connect OpenID Distributed Claims Identity Provider Signed Claims Relying Party Claim Refs Data Source Data Source
- 74. Connect OpenID Claims Requests âąâŻ Basic requests made using OAuth scopes: â⯠openid â Declares request is for OpenID Connect â⯠profile â Requests default profile info â⯠email â Requests email address & verification status â⯠address â Requests postal address â⯠phone â Requests phone number & verification status â⯠offline_access â Requests Refresh Token issuance âąâŻ Requests for individual claims can be made using JSON âclaimsâ request parameter
- 76. Connect OpenID You can register it at registration time : request_uri Personally Recommended
- 78. Connect OpenID Authorization Response Example HTTP/1.1 302 Found Location: https://client.example.com/cb #access_token=mF_9.B5f-4.1JqM &token_type=bearer &id_token=eyJhbGzI1NiJ9.eyJz9Glnw9J.F9-V4IvQ0Z &expires_in=3600 &state=af0ifjsldkj
- 79. Connect OpenID UserInfo Request Example GET /userinfo?schema=openid HTTP/1.1 Host: server.example.com Authorization: Bearer mF_9.B5f-4.1JqM
- 81. Connect OpenID Resources âąâŻ OpenID Connect â⯠http://openid.net/connect/ âąâŻ OpenID Connect Working Group Mailing List â⯠http://lists.openid.net/mailman/listinfo/openid-specs-ab âąâŻ OpenID Connect Interop Wiki â⯠http://osis.idcommons.net/ âąâŻ OpenID Connect Interop Mailing List â⯠http://groups.google.com/group/openid-connect-interop âąâŻ Mike Jonesâ Blog â⯠http://self-issued.info/ âąâŻ Nat Sakimuraâs Blog â⯠http://nat.sakimura.org/ âąâŻ John Bradleyâs Blog â⯠http://www.thread-safe.com/
- 82. Connect OpenID Current Status âąâŻ Waiting for dependencies to be completed âąâŻ JWS, JWE, JWA, JWK IETF JOSE WG âąâŻ JSON Web Token (JWT) IETF OAuth WG âąâŻ WebFinger IETF Apps WG
- 83. Connect OpenID Interop testing underway AOL, Google, IBM, Layer 7, Mitre, NRI, @nov, Orange, eBay, Gluu, Ping Identity, GĂANT, @ritou, Emmanuel Raviart 120+ feature tests 14 implementations