Mathematical Mesh Part III: Advanced Cryptographic Services
draft-hallambaker-mesh-advanced-00

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Network Working Group                                    P. Hallam-Baker
Internet-Draft                                         Comodo Group Inc.
Intended status: Informational                           August 31, 2018
Expires: March 4, 2019

      Mathematical Mesh Part III: Advanced Cryptographic Services
                   draft-hallambaker-mesh-advanced-00

Abstract

   The Mathematical Mesh ?The Mesh? is an infrastructure that
   facilitates the exchange of configuration and credential data between
   multiple user devices and provides end-to-end security.  This
   document describes the advanced encryption services supported by the
   Mesh.

   This document is also available online at
   http://mathmesh.com/Documents/draft-hallambaker-mesh-advanced.html
   [1] .

Status of This Memo

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   This Internet-Draft will expire on March 4, 2019.

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   Copyright (c) 2018 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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   (https://trustee.ietf.org/license-info) in effect on the date of
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   carefully, as they describe your rights and restrictions with respect

Hallam-Baker              Expires March 4, 2019                 [Page 1]
Internet-Draft         Mathematical Mesh Reference           August 2018

   to this document.  Code Components extracted from this document must
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Definitions . . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
     2.2.  Defined Terms . . . . . . . . . . . . . . . . . . . . . .   3
     2.3.  Related Specifications  . . . . . . . . . . . . . . . . .   3
     2.4.  Implementation Status . . . . . . . . . . . . . . . . . .   3
   3.  Secret Splitting  . . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Example: Securing a recovery record . . . . . . . . . . .   4
   4.  Key Co-Generation . . . . . . . . . . . . . . . . . . . . . .   5
     4.1.  Mechanism . . . . . . . . . . . . . . . . . . . . . . . .   6
       4.1.1.  Application to Elliptic Curve systems . . . . . . . .   7
     4.2.  Implementation for Ed25519 and Ed 448 . . . . . . . . . .   7
     4.3.  Example: Provisioning the Confirmation Service  . . . . .   8
   5.  Recryption  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.1.  Mechanism . . . . . . . . . . . . . . . . . . . . . . . .  10
     5.2.  Implementation  . . . . . . . . . . . . . . . . . . . . .  11
       5.2.1.  Group Creation  . . . . . . . . . . . . . . . . . . .  12
       5.2.2.  Provisioning a Member . . . . . . . . . . . . . . . .  12
       5.2.3.  Message Encryption and Decryption . . . . . . . . . .  13
     5.3.  Example: Messaging group  . . . . . . . . . . . . . . . .  13
   6.  Quantum Resistant Signatures. . . . . . . . . . . . . . . . .  15
     6.1.  Example: Creating a Quantum Resistant Signature
           Fingerprint . . . . . . . . . . . . . . . . . . . . . . .  16
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  17
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  17
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  17
   10. Appendix A: Prime Values for Secret Sharing . . . . . . . . .  17
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  18
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  18
     11.2.  Informative References . . . . . . . . . . . . . . . . .  18
     11.3.  URIs . . . . . . . . . . . . . . . . . . . . . . . . . .  19
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  19

1.  Introduction

   One of the core goals of the Mesh is to move the state of the art in
   commercial cryptography beyond that achieved in the 1990s when PKIX,
   S/MIME and OpenPGP were first developed.  While each of these
   infrastructures and protocols has been subject to incremental
   improvement, none has seen widespread adoption of new cryptographic
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