Use of the Hash-based Merkle Tree Signature (MTS) Algorithm in the Cryptographic Message Syntax (CMS)
draft-housley-cms-mts-hash-sig-05

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INTERNET-DRAFT                                                R. Housley
Intended Status: Proposed Standard                        Vigil Security
Expires: 22 June 2017                                   19 December 2016

      Use of the Hash-based Merkle Tree Signature (MTS) Algorithm
               in the Cryptographic Message Syntax (CMS)
                  <draft-housley-cms-mts-hash-sig-05>

Abstract

   This document specifies the conventions for using the Merkle Tree
   Signatures (MTS) digital signature algorithm with the Cryptographic
   Message Syntax (CMS).  The MTS algorithm is one form of hash-based
   digital signature.

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                                          19 December 2016

Copyright and License Notice

   Copyright (c) 2016 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
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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  ASN.1  . . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  MTS Digital Signature Algorithm Overview . . . . . . . . . . .  3
     2.1.  Hierarchical Signature System (HSS)  . . . . . . . . . . .  3
     2.2.  Leighton-Micali Signature (LMS)  . . . . . . . . . . . . .  4
     2.3.  Leighton-Micali One-time Signature Algorithm (LM-OTS)  . .  5
   3.  Algorithm Identifiers and Parameters . . . . . . . . . . . . .  6
   4.  Signed-data Conventions  . . . . . . . . . . . . . . . . . . .  6
   5.  Security Considerations  . . . . . . . . . . . . . . . . . . .  7
     5.1.  Implementation Security Considerations . . . . . . . . . .  7
     5.2.  Algorithm Security Considerations  . . . . . . . . . . . .  7
   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  8
   7.  Normative References . . . . . . . . . . . . . . . . . . . . .  8
   8.  Informative References . . . . . . . . . . . . . . . . . . . .  8
   Appendix: ASN.1 Module . . . . . . . . . . . . . . . . . . . . . . 10
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 11

Housley                                                         [Page 2]
INTERNET-DRAFT                                          19 December 2016

1.  Introduction

   This document specifies the conventions for using the Merkle Tree
   Signatures (MTS) digital signature algorithm with the Cryptographic
   Message Syntax (CMS) [CMS] signed-data content type.  The MTS
   algorithm is one form of hash-based digital signature that can only
   be used for a fixed number of signatures.  The MTS algorithm is
   described in [HASHSIG].  The MTS algorithm uses small private and
   public keys, and it has low computational cost; however, the
   signatures are quite large.

1.1.  ASN.1

   CMS values are generated using ASN.1 [ASN1-B], using the Basic
   Encoding Rules (BER) and the Distinguished Encoding Rules (DER)
   [ASN1-E].

1.2.  Terminology

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [KEYWORDS].
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