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An Identity on the Internet

An Identity on the Internet. Steve Plank Identity Architect Microsoft UK. topics. phishing, phraud identity layer 7 laws human integration consistent experience across contexts Identity metasystem ip rp user identity selector. web server. www.identitytheft.com.

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An Identity on the Internet

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  1. An Identity on the Internet Steve PlankIdentity Architect Microsoft UK

  2. topics • phishing, phraud • identity layer • 7 laws • human integration • consistent experience across contexts • Identity metasystem • ip • rp • user • identity selector

  3. web server www.identitytheft.com www.mybank.com.net.iwill.take.over.your.life.com/dodgy.php gullible@hotmail.com under the control of somebody else **************** bad person’s database

  4. IIS Credentials database Custom Solution FormsAuthentication.SetLoginCookie() Custom Solution www.newcorp.com Application Error: Cross-domain cookie. A cookie has been received from a security domain other than the one to which this web server is a member. This is a potential security breach. Please consult the application or web server administrator. Custom Solution www.megacorp.com

  5. Identity no consistency Naming DNS Connectivity IP

  6. User control and consent • Minimal disclosure for a defined use • Justifiable parties • Directional identity • Pluralism of operators and technologies • Human integration • Consistent experience across contexts

  7. Human integration • Consistent experience across contexts Planky’s Card Card Collection

  8. Identity Provider Locally installed software: not under somebody else’s control Identity Selector 1:1 relationship between cards and identity providers Subject

  9. Identity Provider digital signature Metadata: URI of the Identity Provider Claims you can get from the IP givenname: lastname: email: user-id: etc: Intentionally left blank

  10. Identity Provider cryptographic binding between the card and the IP digital signature

  11. There will be many Identity Providers each running its own technology stack OR • Pluralism of operators and technologies • Human integration • Consistent experience across contexts

  12. Identity Provider Relying Party Web Service Web Site <sp:IssuedToken ...> ... <sp:RequestSecurityTokenTemplate> ... <wst:Claims wst:Dialect=”http://schemas.microsoft.com/ws/2005/05/identity”> <ic:Claim URI=”http://.../ws/2005/05/identity/claims/givenname”/> <ic:Claim URI=”http://.../ws/2005/05/identity/claims/surname” <ic:Claim URI=”http://.../ws/2005/05/identity/claims/email”/> <ic:Claim URI=”http://.../ws/2005/05/identity/claims/privatepersonalidentifier” </wst:Claims> </sp:RequestSecurityTokenTemplate> ... </sp:IssuedToken> <object type="application/x-informationcard" name="_xmlToken"> <param name="tokenType" value="urn:oasis:names:tc:SAML:1.0:assertion" /> <param name="requiredClaims" value="http://schemas.xmlsoap.org/ws/2005/05/identity/claims/givenname http://schemas.xmlsoap.org/ws/2005/05/identity/claims/surname http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress http://schemas.xmlsoap.org/ws/2005/05/identity/claims/privatepersonalidentifier" /> </object> WS-* HTML WS-* Identity Metasystem Microsoft Identity MetaSystem WS-* HTML Subject

  13. Relying Party Identity Selector’s Built-in Identity Provider 2 degrees of store protection: System Key Password Key Identity Metasystem Subject Personal Cards: fixed schema

  14. personal cards what claims i make about myself fixed schema (protect the users from themselves!) managed cards what claims another party makes about me flexible schema

  15. elvis presley only 1 of them is real probably

  16. SECURITY TOKEN SAML Token XrML License X.509 Certificate Kerberos ticket . . . ...others Steve Plank Over 18 Over 21 Under 65 image

  17. SECURITY TOKEN Steve Plank Over 18 Over 21 Under 65 image security token service give it something DIFFERENT SECURITY TOKEN Username Password Biometric Signature Certificate

  18. identity provider relying party [ ] e [ ] s click login button get policy authenticate RST identity.provider.com requires username and password to validate this request. Enter the information below policy: uri of ip required claims optional claims token type policy: authn reqs token types ... RSTR subject

  19. identity provider relying party [ ] [ ] Do you want to send this card to: ip.sisa.com token decryption token authentication *givenname: Steve *surname: Plank *emailaddress: planky@plankytronixx.com *privatepersonalidentitifer: planky123 real token ip.sisa.com ip.sisa.com subject display token

  20. topics • phishing, phraud • identity layer • 7 laws • human integration • consistent experience across contexts • Identity metasystem • ip • rp • user • identity selector

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