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Applicability Statement: DNS Security (DNSSEC) DNSKEY Algorithm Implementation Status
RFC 6944

Internet Engineering Task Force (IETF)                           S. Rose
Request for Comments: 6944                                          NIST
Updates: 2536, 2539, 3110, 4034, 4398,                        April 2013
         5155, 5702, 5933
Category: Standards Track
ISSN: 2070-1721

    Applicability Statement: DNS Security (DNSSEC) DNSKEY Algorithm
                         Implementation Status

Abstract

   The DNS Security Extensions (DNSSEC) requires the use of
   cryptographic algorithm suites for generating digital signatures over
   DNS data.  There is currently an IANA registry for these algorithms,
   but there is no record of the recommended implementation status of
   each algorithm.  This document provides an applicability statement on
   algorithm implementation status for DNSSEC component software.  This
   document lists each algorithm's status based on the current
   reference.  In the case that an algorithm is specified without an
   implementation status, this document assigns one.  This document
   updates RFCs 2536, 2539, 3110, 4034, 4398, 5155, 5702, and 5933.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6944.

Rose                         Standards Track                    [Page 1]
RFC 6944             DNSSEC DNSKEY Algorithm Status           April 2013

Copyright Notice

   Copyright (c) 2013 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
   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
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . . . 3
   2.  The DNS Security Algorithm Implementation Status Lists  . . . . 3
     2.1.  Status Definitions  . . . . . . . . . . . . . . . . . . . . 3
     2.2.  Algorithm Implementation Status Assignment Rationale  . . . 4
     2.3.  DNSSEC Implementation Status Table  . . . . . . . . . . . . 4
     2.4.  Specifying New Algorithms and Updating the Status of
           Existing Entries  . . . . . . . . . . . . . . . . . . . . . 5
   3.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 5
   4.  Security Considerations . . . . . . . . . . . . . . . . . . . . 5
   5.  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 6
     5.1.  Normative References  . . . . . . . . . . . . . . . . . . . 6
     5.2.  Informative References  . . . . . . . . . . . . . . . . . . 7

Rose                         Standards Track                    [Page 2]
RFC 6944             DNSSEC DNSKEY Algorithm Status           April 2013

1.  Introduction

   The Domain Name System (DNS) Security Extensions (DNSSEC) ([RFC4033],
   [RFC4034], [RFC4035], [RFC4509], [RFC5155], and [RFC5702]) uses
   digital signatures over DNS data to provide source authentication and
   integrity protection.  DNSSEC uses an IANA registry to list codes for
   digital signature algorithms (consisting of a cryptographic algorithm
   and one-way hash function).

   The original list of algorithm status is found in [RFC4034].  Other
   DNSSEC RFCs have added new algorithms or changed the status of
   algorithms in the registry.  However, implementers must read through
   all the documents in order to discover which algorithms are
   considered wise to implement, which are not, and which algorithms may
   become widely used in the future.

   This document defines the current implementation status for all
   registered algorithms.  If the status of algorithms changes, this
   document will be replaced with a new one establishing the new status;
   see Section 2.4.

   This document updates the following: [RFC2536], [RFC2539], [RFC3110],
   [RFC4034], [RFC4398], [RFC5155], [RFC5702], and [RFC5933].

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