Cancel-Locks in Netnews articles
draft-baeuerle-netnews-cancel-lock-06

Document Type Active Internet-Draft (individual in art area)
Last updated 2017-09-28 (latest revision 2017-09-13)
Replaces draft-ietf-usefor-cancel-lock
Stream IETF
Intended RFC status Proposed Standard
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Document shepherd Julien √ČLIE
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Responsible AD Alexey Melnikov
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Independent Submission                                       M. Baeuerle
Internet-Draft                                            STZ Elektronik
Updates: 5537 (if approved)                           September 12, 2017
Intended status: Standards Track
Expires: March 16, 2018

                    Cancel-Locks in Netnews articles
                 draft-baeuerle-netnews-cancel-lock-06

Abstract

   This document defines an extension to the Netnews Article Format that
   may be used to authenticate the cancelling and superseding of
   existing articles.  If approved, this document updates RFC5537.

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
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on March 16, 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
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Baeuerle                 Expires March 16, 2018                 [Page 1]
Internet-Draft                Cancel-Locks                September 2017

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions Used in This Document . . . . . . . . . . . .   3
     1.2.  Author's Note . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Header Fields . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Cancel-Lock . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Cancel-Key  . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Adding an initial Cancel-Lock header field to a proto-
           article . . . . . . . . . . . . . . . . . . . . . . . . .   6
     3.2.  Extending the Cancel-Lock header field of a proto-article   6
     3.3.  Adding a Cancel-Key header field to a proto-article . . .   6
     3.4.  Extending the Cancel-Key header field of a proto-article    7
     3.5.  Check a Cancel-Key header field . . . . . . . . . . . . .   7
   4.  Calculating the key data  . . . . . . . . . . . . . . . . . .   8
   5.  Examples  . . . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.1.  Without UID . . . . . . . . . . . . . . . . . . . . . . .   9
     5.2.  With UID  . . . . . . . . . . . . . . . . . . . . . . . .  10
     5.3.  Other examples  . . . . . . . . . . . . . . . . . . . . .  11
     5.4.  Manual checks . . . . . . . . . . . . . . . . . . . . . .  11
   6.  Obsolete Syntax . . . . . . . . . . . . . . . . . . . . . . .  12
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  14
     8.1.  Algorithm Name Registration Procedure . . . . . . . . . .  15
     8.2.  Change control  . . . . . . . . . . . . . . . . . . . . .  16
     8.3.  Registration of the Netnews Cancel-Lock hash algorithms .  16
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  17
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  18
   Appendix A.  Acknowledgements . . . . . . . . . . . . . . . . . .  20
   Appendix B.  Document History (to be removed by RFC Editor before
                publication) . . . . . . . . . . . . . . . . . . . .  20
     B.1.  Changes since -05 . . . . . . . . . . . . . . . . . . . .  20
     B.2.  Changes since -04 . . . . . . . . . . . . . . . . . . . .  21
     B.3.  Changes since -03 . . . . . . . . . . . . . . . . . . . .  22
     B.4.  Changes since -02 . . . . . . . . . . . . . . . . . . . .  22
     B.5.  Changes since -01 . . . . . . . . . . . . . . . . . . . .  23
     B.6.  Changes since -00 . . . . . . . . . . . . . . . . . . . .  24
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