Vectors of Trust
draft-richer-vectors-of-trust-03

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Network Working Group                                     J. Richer, Ed.
Internet-Draft                                       Bespoke Engineering
Intended status: Experimental                               L. Johansson
Expires: January 22, 2017                     Swedish University Network
                                                           July 21, 2016

                            Vectors of Trust
                    draft-richer-vectors-of-trust-03

Abstract

   This document defines a mechanism for describing and signaling
   several aspects that are used to calculate trust placed in a digital
   identity transaction.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in RFC
   2119 [RFC2119].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on January 22, 2017.

Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of

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   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   include Simplified BSD License text as described in Section 4.e of
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  An Identity Model . . . . . . . . . . . . . . . . . . . .   5
     1.3.  Component Architecture  . . . . . . . . . . . . . . . . .   5
   2.  Component Definitions . . . . . . . . . . . . . . . . . . . .   5
     2.1.  Identity Proofing . . . . . . . . . . . . . . . . . . . .   6
     2.2.  Primary Credential Usage  . . . . . . . . . . . . . . . .   7
     2.3.  Primary Credential Management . . . . . . . . . . . . . .   7
     2.4.  Assertion Presentation  . . . . . . . . . . . . . . . . .   7
   3.  Vectors of Trust Initial Component Value Definitions  . . . .   8
     3.1.  Identity Proofing . . . . . . . . . . . . . . . . . . . .   8
     3.2.  Primary Credential Usage  . . . . . . . . . . . . . . . .   8
     3.3.  Primary Credential Management . . . . . . . . . . . . . .   9
     3.4.  Assertion Presentation  . . . . . . . . . . . . . . . . .   9
   4.  Communicating Vector Values to RPs  . . . . . . . . . . . . .   9
     4.1.  On the Wire Representation  . . . . . . . . . . . . . . .  10
     4.2.  In OpenID Connect . . . . . . . . . . . . . . . . . . . .  11
     4.3.  In SAML . . . . . . . . . . . . . . . . . . . . . . . . .  11
   5.  Requesting Vector Values  . . . . . . . . . . . . . . . . . .  13
     5.1.  In OpenID Connect . . . . . . . . . . . . . . . . . . . .  13
     5.2.  In SAML . . . . . . . . . . . . . . . . . . . . . . . . .  13
   6.  Trustmark . . . . . . . . . . . . . . . . . . . . . . . . . .  13
   7.  Discovery . . . . . . . . . . . . . . . . . . . . . . . . . .  15
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  15
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  16
     9.1.  Vector Of Trust Components Registry . . . . . . . . . . .  16
     9.2.  Additions to JWT Claims Registry  . . . . . . . . . . . .  16
   10. Security Considerations . . . . . . . . . . . . . . . . . . .  17
   11. Privacy Considerations  . . . . . . . . . . . . . . . . . . .  17
   12. References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     12.1.  Normative References . . . . . . . . . . . . . . . . . .  17
     12.2.  Informative References . . . . . . . . . . . . . . . . .  18
   Appendix A.  Document History . . . . . . . . . . . . . . . . . .  18
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  19

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