Hypertext Transfer Protocol (HTTP) Digest Authentication Using GSM 2G Authentication and Key Agreement (AKA)
draft-morand-http-digest-2g-aka-02

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Network Working Group                                          L. Morand
Internet-Draft                                   France Telecom - Orange
Intended status: Informational                         February 13, 2012
Expires: August 16, 2012

 Hypertext Transfer Protocol (HTTP) Digest Authentication Using GSM 2G
                 Authentication and Key Agreement (AKA)
                   draft-morand-http-digest-2g-aka-02

Abstract

   This memo specifies a one-time password generation mechanism for
   Hypertext Transfer Protocol (HTTP) Digest access authentication based
   on Global System for Mobile Communications (GSM) authentication and
   key generation functions A3 and A8, also known as GSM AKA or 2G AKA.
   The HTTP Authentication Framework includes two authentication
   schemes: Basic and Digest.  Both schemes employ a shared secret based
   mechanism for access authentication.  The GSM AKA mechanism performs
   user authentication and session key distribution in GSM and Universal
   Mobile Telecommunications System (UMTS) networks.  GSM AKA is a
   challenge-response based mechanism that uses symmetric cryptography.

Requirements Language

   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 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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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on August 16, 2012.

Copyright Notice

Morand                   Expires August 16, 2012                [Page 1]
Internet-Draft             HTTP Digest 2G AKA              February 2012

   Copyright (c) 2012 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
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Table of Contents

   1.  Introduction and Motivation  . . . . . . . . . . . . . . . . .  3
   2.  Requirements Language  . . . . . . . . . . . . . . . . . . . .  3
   3.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  4
   4.  GSM 2G AKA Mechanism Overview  . . . . . . . . . . . . . . . .  4
   5.  Specification of Digest 2G AKA . . . . . . . . . . . . . . . .  6
     5.1.  Algorithm Directive  . . . . . . . . . . . . . . . . . . .  6
     5.2.  Creating a Challenge . . . . . . . . . . . . . . . . . . .  7
     5.3.  Client Authentication  . . . . . . . . . . . . . . . . . .  7
     5.4.  Server Authentication  . . . . . . . . . . . . . . . . . .  8
   6.  Example of Digest 2G AKA operations  . . . . . . . . . . . . .  8
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 10
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 11
     8.1.  Authentication of Clients using Digest 2G AKA  . . . . . . 11
     8.2.  Limited Use of Nonce Values  . . . . . . . . . . . . . . . 11
     8.3.  Multiple Authentication Schemes and Algorithms . . . . . . 12
     8.4.  Online Dictionary Attacks  . . . . . . . . . . . . . . . . 12
     8.5.  Session Protection . . . . . . . . . . . . . . . . . . . . 12
     8.6.  Replay Protection  . . . . . . . . . . . . . . . . . . . . 13
     8.7.  Mutual Authentication  . . . . . . . . . . . . . . . . . . 13
     8.8.  Flooding the Authentication Centre . . . . . . . . . . . . 13
     8.9.  AKA Security . . . . . . . . . . . . . . . . . . . . . . . 13
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 14
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 14
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 14
     10.2. Informative References . . . . . . . . . . . . . . . . . . 14
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 14

Morand                   Expires August 16, 2012                [Page 2]
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