Use of the HSS/LMS Hash-based Signature Algorithm in the Cryptographic Message Syntax (CMS)
draft-ietf-lamps-cms-hash-sig-10

Document Type Active Internet-Draft (lamps WG)
Last updated 2019-12-11 (latest revision 2019-09-18)
Replaces draft-housley-cms-mts-hash-sig
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INTERNET-DRAFT                                                R. Housley
Internet Engineering Task Force (IETF)                    Vigil Security
Intended Status: Proposed Standard
Expires: 18 March 2020                                 18 September 2019

           Use of the HSS/LMS Hash-based Signature Algorithm
               in the Cryptographic Message Syntax (CMS)
                   <draft-ietf-lamps-cms-hash-sig-10>

Abstract

   This document specifies the conventions for using the Hierarchical
   Signature System (HSS) / Leighton-Micali Signature (LMS) hash-based
   signature algorithm with the Cryptographic Message Syntax (CMS).  In
   addition, the algorithm identifier and public key syntax are
   provided.  The HSS/LMS algorithm is one form of hash-based digital
   signature; it is described in RFC 8554.

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
   provisions of BCP 78 and BCP 79.

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Housley                                                         [Page 1]
INTERNET-DRAFT                                            September 2019

Copyright and License Notice

   Copyright (c) 2019 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
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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  ASN.1  . . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  3
     1.3.  Motivation . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  HSS/LMS Hash-based Signature Algorithm Overview  . . . . . . .  4
     2.1.  Hierarchical Signature System (HSS)  . . . . . . . . . . .  4
     2.2.  Leighton-Micali Signature (LMS)  . . . . . . . . . . . . .  5
     2.3.  Leighton-Micali One-time Signature Algorithm (LM-OTS)  . .  6
   3.  Algorithm Identifiers and Parameters . . . . . . . . . . . . .  7
   4.  HSS/LMS Public Key Identifier  . . . . . . . . . . . . . . . .  8
   5.  Signed-data Conventions  . . . . . . . . . . . . . . . . . . .  8
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . .  9
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 10
   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 10
     8.1.  Normative References . . . . . . . . . . . . . . . . . . . 10
     8.2.  Informative References . . . . . . . . . . . . . . . . . . 11
   Appendix: ASN.1 Module . . . . . . . . . . . . . . . . . . . . . . 13
   Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . . 14
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 14

Housley                                                         [Page 2]
INTERNET-DRAFT                                            September 2019

1.  Introduction

   This document specifies the conventions for using the Hierarchical
   Signature System (HSS) / Leighton-Micali Signature (LMS) hash-based
   signature algorithm with the Cryptographic Message Syntax (CMS) [CMS]
   signed-data content type.  The LMS system provides a one-time digital
   signature that is a variant of Merkle Tree Signatures (MTS).  The HSS
   is built on top of the LMS system to efficiently scale for a larger
   numbers of signatures.  The HSS/LMS algorithm is one form of hash-
   based digital signature, and it is described in [HASHSIG].  The
   HSS/LMS signature algorithm can only be used for a fixed number of
   signing operations with a given private key, and the number of
   signing operations depends upon the size of the tree.  The HSS/LMS
   signature algorithm uses small public keys, and it has low
   computational cost; however, the signatures are quite large.  The
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