pretty Easy privacy (pEp): Mapping of Privacy Rating
draft-marques-pep-rating-00

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Last updated 2018-07-02
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Network Working Group                                         H. Marques
Internet-Draft                                            pEp Foundation
Intended status: Informational                              B. Hoeneisen
Expires: January 3, 2019                                         Ucom.ch
                                                           July 02, 2018

          pretty Easy privacy (pEp): Mapping of Privacy Rating
                      draft-marques-pep-rating-00

Abstract

   In many Opportunistic Security scenarios end-to-end encryption is
   automatized for Internet users.  In addition, it is often required to
   provide the users with easy means to carry out authentication.

   Depending on several factors, each communication channel to different
   peers may have a different Privacy Status, e.g., unencrypted,
   encrypted and encrypted as well as authenticated.  Even each message
   from/to a single peer may have a different Privacy Status.

   To display the actual Privacy Status to the user, this document
   defines a Privacy Rating scheme and its mapping to a traffic-light
   semantics.  A Privacy Status is defined on a per-message basis as
   well as on a per-identity basis.  The traffic-light semantics (as
   color rating) allows for a clear and easily understandable
   presentation to the user in order to optimize the User Experience
   (UX).

   This rating system is most beneficial to Opportunistic Security
   scenarios and is already implemented in several applications of
   pretty Easy privacy (pEp).

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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

Marques & Hoeneisen      Expires January 3, 2019                [Page 1]
Internet-Draft      pretty Easy privacy (pEp) Rating           July 2018

   This Internet-Draft will expire on January 3, 2019.

Copyright Notice

   Copyright (c) 2018 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
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Per-Message Privacy Rating  . . . . . . . . . . . . . . . . .   4
     3.1.  Rating Codes  . . . . . . . . . . . . . . . . . . . . . .   4
     3.2.  Color Codes . . . . . . . . . . . . . . . . . . . . . . .   5
     3.3.  Surjective Mapping of Rating Codes into Color Codes . . .   6
     3.4.  Semantics of Color and Rating Codes . . . . . . . . . . .   6
       3.4.1.  Red . . . . . . . . . . . . . . . . . . . . . . . . .   6
       3.4.2.  No Color  . . . . . . . . . . . . . . . . . . . . . .   6
       3.4.3.  Yellow  . . . . . . . . . . . . . . . . . . . . . . .   7
       3.4.4.  Green . . . . . . . . . . . . . . . . . . . . . . . .   7
   4.  Per-Identity Privacy Rating . . . . . . . . . . . . . . . . .   7
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   6.  Implementation Status . . . . . . . . . . . . . . . . . . . .   8
     6.1.  Introduction  . . . . . . . . . . . . . . . . . . . . . .   8
     6.2.  Running Code  . . . . . . . . . . . . . . . . . . . . . .   9
   7.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .   9
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .   9
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  10
   Appendix A.  Excerpts from the pEp Reference Implementation . . .  11
     A.1.  pEp rating  . . . . . . . . . . . . . . . . . . . . . . .  11
   Appendix B.  Document Changelog . . . . . . . . . . . . . . . . .  11
   Appendix C.  Open Issues  . . . . . . . . . . . . . . . . . . . .  11
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

Marques & Hoeneisen      Expires January 3, 2019                [Page 2]
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