draft-ietf-curdle-ssh-ed25519-ed448-00.txt   draft-ietf-curdle-ssh-ed25519-ed448-01.txt 
Internet Engineering Task Force B. Harris Internet Engineering Task Force B. Harris
Internet-Draft Internet-Draft
Updates: 4250 (if approved) L. Velvindron Updates: 4250 (if approved) L. Velvindron
Intended status: Standards Track Hackers.mu Intended status: Standards Track Hackers.mu
Expires: August 8, 2018 February 4, 2018 Expires: January 3, 2019 July 2, 2018
Ed25519 and Ed 448 public key algorithms for the Secure Shell (SSH) Ed25519 and Ed 448 public key algorithms for the Secure Shell (SSH)
protocol protocol
draft-ietf-curdle-ssh-ed25519-ed448-00 draft-ietf-curdle-ssh-ed25519-ed448-01
Abstract Abstract
This document describes the use of the Ed25519 digital signature This document describes the use of the Ed25519 and Ed448 digital
algorithm in the Secure Shell (SSH) protocol. signature algorithm in the Secure Shell (SSH) protocol.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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 https://datatracker.ietf.org/drafts/current/. Drafts is at https://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 August 8, 2018. This Internet-Draft will expire on January 3, 2019.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 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
(https://trustee.ietf.org/license-info) in effect on the date of (https://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
skipping to change at page 3, line 50 skipping to change at page 3, line 50
ED448 signatures are verified according to the procedure in ED448 signatures are verified according to the procedure in
[RFC8032], Section 5.2.7 [RFC8032]. [RFC8032], Section 5.2.7 [RFC8032].
8. SSHFP DNS resource records 8. SSHFP DNS resource records
The generation of SSHFP resource records for "ssh-ed25519" keys is The generation of SSHFP resource records for "ssh-ed25519" keys is
described in [RFC7479]. described in [RFC7479].
The generation of SSHFP resource records for "ssh-ed448" keys is The generation of SSHFP resource records for "ssh-ed448" keys is
described in . described as follows.
the SSHFP Resource Record for the Ed448 public key with SHA-256
fingerprint would be example be: ssh.hackers.mu IN SSHFP 5 2 (
a87f1b687ac0e57d2a081a2f2826723 34d90ed316d2b818ca9580ea384d924 01 )
9. IANA Considerations 9. IANA Considerations
This document augments the Public Key Algorithm Names in [RFC4250], This document augments the Public Key Algorithm Names in [RFC4250],
Section 4.6.2 [RFC4250]. Section 4.6.2 [RFC4250].
IANA is requested to add to the Public Key Algorithm Names registry IANA is requested to add to the Public Key Algorithm Names registry
[IANA-PKA] with the following entry: [IANA-PKA] with the following entry:
Public Key Algorithm Name Reference Public Key Algorithm Name Reference
------------------------- ---------- ------------------------- ----------
ssh-ed25519 This Draft ssh-ed25519 This Draft
ssh-ed448 This Draft ssh-ed448 This Draft
IANA must add the following entry to the "SSHFP RR Types for public
key algorithms" registry:
+--------+-------------+------------+
| Value | Description | Reference |
+--------+-------------+------------+
| 5 | Ed448 | [this-draft] |
+--------+-------------+------------+
[TO BE REMOVED: This registration should take place at the following [TO BE REMOVED: This registration should take place at the following
location: <http://www.iana.org/assignments/ssh-parameters/ssh- location: <http://www.iana.org/assignments/ssh-parameters/ssh-
parameters.xhtml#ssh-parameters-19>] parameters.xhtml#ssh-parameters-19>]
10. Security Considerations 10. Security Considerations
The security considerations in [RFC4251], Section 9 [RFC4251] apply The security considerations in [RFC4251], Section 9 [RFC4251] apply
to all SSH implementations, including those using Ed25519 and Ed448. to all SSH implementations, including those using Ed25519 and Ed448.
The security considerations in [RFC8032], Section 8 [RFC8032] apply The security considerations in [RFC8032], Section 8 [RFC8032] apply
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