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Solving the identity crisis draft-ietf-geopriv-common-policy-05

Solving the identity crisis draft-ietf-geopriv-common-policy-05. Henning Schulzrinne Aki Niemi Hannes Tschofennig Jonathan Rosenberg. Current solution. different identities authenticated unauthenticated asserted anonymous asserted mapped to authenticated identity

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Solving the identity crisis draft-ietf-geopriv-common-policy-05

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  1. Solving the identity crisisdraft-ietf-geopriv-common-policy-05 Henning Schulzrinne Aki Niemi Hannes Tschofennig Jonathan Rosenberg IETF63 - SIMPLE

  2. Current solution • different identities • authenticated • unauthenticated • asserted • anonymous • asserted mapped to authenticated identity • authorization based on anonymous identity not provided • too vague description in some cases <identity> <id entity="alice@example.com"/> <id entity="bob@example.com"/> </identity> <identity> <domain domain="example.com"/> <except domain=“foo.com"/> </identity> <any-identity> <domain domain=“bar.com”> <except-domain domain="example.com"/> <except-domaindomain="foo.com"/> </any-identity> IETF63 - SIMPLE

  3. Basic proposal • only authenticated identities • unauthenticated identities = omit <identity> one person identity :>= 1 person IETF63 - SIMPLE

  4. Asserted vs. authenticated • Do not make distinction in common-policy • Currently, have text on distinction, but hard to understand without reference to particular use case (SIP, etc.) • Suggestion: point to detailed discussion elsewhere IETF63 - SIMPLE

  5. Background: processing logic • All conditions are AND C1 AND C2 … • each condition can be OR within • If omitted, obviously not checked • for identity: any identity, authenticated or not • Only one of each kind of condition <conditions> <identity>…</identity> <sphere>…</sphere> <validity>…</validity> </conditions> AND IETF63 - SIMPLE

  6. Within each kind of condition • Allow OR conditions within <identity>, <validity>, <sphere>, …? • currently, defined for <identity> only • matches any of a list of identities • may want for others? • e.g, for sphere • reason: combinatorial explosion! IETF63 - SIMPLE

  7. Identity: Single individual/user/person/… • <one id=“alice@example.com”> • May contain tel: URIs • OR: <one id=“alice@example.com”/> <one id=“bob@example.com”/> OR IETF63 - SIMPLE

  8. >= 1 (groups) • can be combined with <one> -- OR • <many/> any authenticated • <many> <except domain=“example.com”/> [OR] <except domain=“foobar.com”/> </many>  all but enumerated domains • <many domain=“example.com”> <except id=“alice”/> [OR] <except id=“bob”/> </many>  all but enumerated individuals in domain IETF63 - SIMPLE

  9. tel URIs • tel URIs • other URIs that don’t have domains = “non-domain identifiers” • e.g., URN that uses passport numbers • Proposal 1: only allow non-domain identifiers in id=“tel:123” • doesn’t work: <many domain=“example.com”> <except id=“tel:123”/> </many> • Proposal 2: only allow domain identifiers in <many/> (non-domain in <one> only) IETF63 - SIMPLE

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