< draft-mcgrew-hash-sigs-14.txt   draft-mcgrew-hash-sigs-15.txt >
Crypto Forum Research Group D. McGrew Crypto Forum Research Group D. McGrew
Internet-Draft M. Curcio Internet-Draft M. Curcio
Intended status: Informational S. Fluhrer Intended status: Informational S. Fluhrer
Expires: June 22, 2019 Cisco Systems Expires: July 11, 2019 Cisco Systems
December 19, 2018 January 7, 2019
Hash-Based Signatures Hash-Based Signatures
draft-mcgrew-hash-sigs-14 draft-mcgrew-hash-sigs-15
Abstract Abstract
This note describes a digital signature system based on cryptographic This note describes a digital signature system based on cryptographic
hash functions, following the seminal work in this area of Lamport, hash functions, following the seminal work in this area of Lamport,
Diffie, Winternitz, and Merkle, as adapted by Leighton and Micali in Diffie, Winternitz, and Merkle, as adapted by Leighton and Micali in
1995. It specifies a one-time signature scheme and a general 1995. It specifies a one-time signature scheme and a general
signature scheme. These systems provide asymmetric authentication signature scheme. These systems provide asymmetric authentication
without using large integer mathematics and can achieve a high without using large integer mathematics and can achieve a high
security level. They are suitable for compact implementations, are security level. They are suitable for compact implementations, are
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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 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 June 22, 2019. This Internet-Draft will expire on July 11, 2019.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2019 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
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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8. IANA Considerations 8. IANA Considerations
The Internet Assigned Numbers Authority (IANA) is requested to create The Internet Assigned Numbers Authority (IANA) is requested to create
two registries: one for OTS signatures, which includes all of the LM- two registries: one for OTS signatures, which includes all of the LM-
OTS signatures as defined in Section 4, and one for Leighton-Micali OTS signatures as defined in Section 4, and one for Leighton-Micali
Signatures, as defined in Section 5. Signatures, as defined in Section 5.
Additions to these registries require that a specification be Additions to these registries require that a specification be
documented in an RFC or another permanent and readily available documented in an RFC or another permanent and readily available
reference in sufficient detail that interoperability between reference in sufficient detail that interoperability between
independent implementations is possible. IANA SHOULD verify that all independent implementations is possible. IANA MUST verify that all
applications for additions to these registries hve first been applications for additions to these registries hve first been
reviewed by the IRTF Crypto Forum Research Group (CFRG). reviewed by the IRTF Crypto Forum Research Group (CFRG).
Each entry in the registry contains the following elements: Each entry in the registry contains the following elements:
a short name, such as "LMS_SHA256_M32_H10", a short name, such as "LMS_SHA256_M32_H10",
a positive number, and a positive number, and
a reference to a specification that completely defines the a reference to a specification that completely defines the
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