draft-ietf-dnsext-dnssec-registry-update-01.txt   draft-ietf-dnsext-dnssec-registry-update-02.txt 
DNS Extensions Working Group S. Rose DNS Extensions Working Group S. Rose
Internet-Draft NIST Internet-Draft NIST
Intended status: Standards Track March 12, 2012 Intended status: Standards Track April 19, 2012
Expires: September 13, 2012 Expires: October 21, 2012
DNS Security (DNSSEC) DNSKEY Algorithm IANA Registry Updates DNS Security (DNSSEC) DNSKEY Algorithm IANA Registry Updates
draft-ietf-dnsext-dnssec-registry-update-01 draft-ietf-dnsext-dnssec-registry-update-02
Abstract Abstract
The DNS Security Extensions (DNSSEC) requires the use of The DNS Security Extensions (DNSSEC) requires the use of
cryptographic algorithm suites for generating digital signatures over cryptographic algorithm suites for generating digital signatures over
DNS data. The algorithms specified for use with DNSSEC are reflected DNS data. The algorithms specified for use with DNSSEC are reflected
in an IANA maintained registry. This document presents a set of in an IANA maintained registry. This document presents a set of
changes for some entries of the registry. changes for some entries of the registry.
Status of This Memo Status of This Memo
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on September 13, 2012. This Internet-Draft will expire on October 21, 2012.
Copyright Notice Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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Registry Table . . . . . . . . . . . . . . . . . . . . . . 4 Registry Table . . . . . . . . . . . . . . . . . . . . . . 4
3. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4 3. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4
4. Security Considerations . . . . . . . . . . . . . . . . . . . . 5 4. Security Considerations . . . . . . . . . . . . . . . . . . . . 5
5. Normative References . . . . . . . . . . . . . . . . . . . . . 5 5. Normative References . . . . . . . . . . . . . . . . . . . . . 5
1. Introduction 1. Introduction
The Domain Name System (DNS) Security Extensions (DNSSEC) [RFC4033], The Domain Name System (DNS) Security Extensions (DNSSEC, defined by
[RFC4034], [RFC4035], [RFC4509], [RFC5155], and [RFC5702] uses [RFC4033], [RFC4034], [RFC4035], [RFC4509], [RFC5155], and [RFC5702])
digital signatures over DNS data to provide source authentication and use digital signatures over DNS data to provide source authentication
integrity protection. DNSSEC uses an IANA registry to list codes for and integrity protection. DNSSEC uses an IANA registry to list codes
digital signature algorithms (consisting of a cryptographic algorithm for digital signature algorithms (consisting of an asymmetric
and one-way hash function). cryptographic algorithm and a one-way hash function).
This document updates a set of entries in the IANA registry for This document updates a set of entries in the IANA registry for
Domain Name System Security (DNSSEC) Algorithm Numbers. These new Domain Name System Security (DNSSEC) Algorithm Numbers. These new
entries are given in Section 2.2 below. This list includes changes entries are given in Section 2.2 below. This list includes changes
to selected entries originally set aside for future algorithm to selected entries originally set aside for future algorithm
specification that did not occur. These three entries are changed to specification that did not occur. These three entries are changed to
"Reserved" to avoid potential conflicts with older implementations. "Reserved" to avoid potential conflicts with older implementations.
This document also brings the list of references for entries up to This document also brings the list of references for entries up to
date. date.
There are auxillery registries related to the Domain Name System There are auxillary registries related to the Domain Name System
Security (DNSSEC) Algorithm Numbers registry that deal with various Security (DNSSEC) Algorithm Numbers registry that deal with various
Diffie-Hellmen parameters used with DNSSEC. These registry tables Diffie-Hellmen parameters used with DNSSEC. These registry tables
are not altered by this document. are not altered by this document.
2. The DNS Security Algorithm Number Sub-registry 2. The DNS Security Algorithm Number Sub-registry
The DNS Security Algorithm Number sub-registry (part of the Domain The DNS Security Algorithm Number sub-registry (part of the Domain
Name System (DNS) Security Number registry) contains a set of entries Name System (DNS) Security Number registry) contains a set of entries
that contain errors. There are additional differences to entries that contain errors. There are additional differences to entries
that are described in sub-section 2.1 and the complete list of that are described in sub-section 2.1 and the complete list of
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This document updates three entries in the Domain Name System This document updates three entries in the Domain Name System
Security (DNSSEC) Algorithm Registry. They are: Security (DNSSEC) Algorithm Registry. They are:
The description for assignment number 4 is changed to "Reserved". The description for assignment number 4 is changed to "Reserved".
The description for assignment number 9 is changed to "Reserved". The description for assignment number 9 is changed to "Reserved".
The description for assignment number 11 is changed to "Reserved". The description for assignment number 11 is changed to "Reserved".
The above values are changed to "Reserved" because they were The above entries are changed to "Reserved" because they were
placeholders for algorithms that were not fully specified for use placeholders for algorithms that were not fully specified for use
with DNSSEC. Older implementations may still have these algorithm with DNSSEC. Older implementations may still have these algorithm
codes assigned, so these codes are reserved to prevent potential codes assigned, so these codes are reserved to prevent potential
incompatibilities. incompatibilities.
2.2. Domain Name System (DNS) Security Algorithm Number Registry Table 2.2. Domain Name System (DNS) Security Algorithm Number Registry Table
The list of Domain Name System (DNS) Security Algorithm Number The list of Domain Name System (DNS) Security Algorithm Number
registry entry changes are given below. All other existing entries registry entry changes are given below. All other existing entries
in the registry table are unchanged by this document and are not in the registry table are unchanged by this document and are not
shown. The other two tables in this registry (DNS KEY Record Diffie- shown. The other two tables in this registry (DNS KEY Record Diffie-
Hellman Prime Lengths and DNS KEY Record Diffie-Hellman Well-Known Hellman Prime Lengths and DNS KEY Record Diffie-Hellman Well-Known
Prime/Generator Pairs) are not changed in any way by this document. Prime/Generator Pairs) are not changed in any way by this document.
Zone Trans. Zone Trans.
Number Description Mnemonic Sign Sign Reference Number Description Mnemonic Sign Sign Reference
------ ----------- -------- ---- ------ --------- ------ ----------- -------- ---- ------ ---------
0 Reserved [RFC4034], 0 Reserved [RFC4034],
[RFC4398] [RFC4398]
1 RSA/MD5 RSAMD5 N Y [RFC3110], 1 RSA/MD5 RSAMD5 N Y [RFC3110],
(Depricated, [RFC4034] (Deprecated, [RFC4034]
see 5) see 5)
4 Reserved [THISDOC] 4 Reserved [THISDOC]
5 RSA/SHA-1 RSASHA1 Y Y [RFC3110] 5 RSA/SHA-1 RSASHA1 Y Y [RFC3110]
[RFC4034] [RFC4034]
9 Reserved [THISDOC] 9 Reserved [THISDOC]
11 Reserved [THISDOC] 11 Reserved [THISDOC]
 End of changes. 8 change blocks. 
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