An Architecture for a Public Identity Infrastructure Based on DNS and OpenID Connect
draft-bertola-dns-openid-pidi-architecture-00

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Network Working Group                                         V. Bertola
Internet-Draft                                              Open-Xchange
Intended status: Informational                                   M. Sanz
Expires: April 30, 2018                                         DENIC eG
                                                        October 27, 2017

 An Architecture for a Public Identity Infrastructure Based on DNS and
                             OpenID Connect
             draft-bertola-dns-openid-pidi-architecture-00

Abstract

   The following document describes an architecture for an open, global,
   federated Public Identity Infrastructure (PIDI), based on the Domain
   Name System (DNS) and on the OpenID Connect framework built over the
   OAuth protocol.

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 April 30, 2018.

Copyright Notice

   Copyright (c) 2017 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
   (https://trustee.ietf.org/license-info) in effect on the date of
   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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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

1.  Introduction

   How to deal with online identities is one of the great unsolved
   problems of today's Internet: each Internet user has to authenticate
   for hundreds of different online services, all of which require some
   personal information that he or she has to provide and maintain
   separately; and this leads to severe usability and security issues.

   This document describes an architecture for a Public Identity
   Infrastructure (PIDI), an identity management framework, building on
   existing protocols and on new extensions, that can provide the three
   basic functions of online identity management - authentication,
   authorization, and management of personal information - and do so in
   an open, global and federated manner, creating a single interoperable
   personal identity space that can be shared by the entire Internet,
   while at the same time preventing any centralized control of all
   online identities and empowering users rather than identity
   providers.

2.  Requirements Notation and Conventions

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

   Throughout this document, values are quoted to indicate that they are
   to be taken literally.  When using these values in protocol messages,
   the quotes MUST NOT be used as part of the value.

3.  Key features

   In the PIDI architecture described in this document, people and other
   entities identify themselves in their online activities by using a
   DNS-style label, located inside an existing and valid domain name, as
   an identifier.  Such identifier allows users to log into any Internet
   service using a single account associated to their identifier.

   Identifiers are jointly managed by two complementary entities, acting
   together as the identity provider; users are able to choose the
   managers of their identifier among any number of compatible
   providers, or to host one themselves.

   Users can employ their identifier to log into any website or online
   service supporting this architecture, even without prior
   registration; on first access to that specific service, the service

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   can request access to the user's personal information as entered by
   him or her into the personal profile.

   If the user consents to this access, the requested information will
   be made available to the service, which can thus automatically
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