GOST Cipher Suites for Transport Layer Security (TLS) Protocol Version 1.3
draft-smyshlyaev-tls13-gost-suites-00

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Network Working Group                                 S. Smyshlyaev, Ed.
Internet-Draft                                               E. Alekseev
Intended status: Informational                            E. Smyshlyaeva
Expires: May 1, 2020                                          A. Babueva
                                                               CryptoPro
                                                        October 29, 2019

 GOST Cipher Suites for Transport Layer Security (TLS) Protocol Version
                                  1.3
                 draft-smyshlyaev-tls13-gost-suites-00

Abstract

   This document specifies a set of cipher suites for the Transport
   Layer Security (TLS) protocol Version 1.3 to support the Russian
   cryptographic standard algorithms.

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Smyshlyaev, et al.         Expires May 1, 2020                  [Page 1]
Internet-Draft       GOST Cipher Suites for TLS 1.3         October 2019

   the Trust Legal Provisions and are provided without warranty as
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   3
   3.  Basic Terms and Definitions . . . . . . . . . . . . . . . . .   3
   4.  Cipher Suite Definition . . . . . . . . . . . . . . . . . . .   5
     4.1.  Payload Protection  . . . . . . . . . . . . . . . . . . .   5
       4.1.1.  AEAD Algorithm  . . . . . . . . . . . . . . . . . . .   6
         4.1.1.1.  Block Cipher  . . . . . . . . . . . . . . . . . .   7
         4.1.1.2.  TLSTREE . . . . . . . . . . . . . . . . . . . . .   8
         4.1.1.3.  SNMAX parameter . . . . . . . . . . . . . . . . .   9
     4.2.  HASH algorithm  . . . . . . . . . . . . . . . . . . . . .   9
   5.  Signature Scheme Definition . . . . . . . . . . . . . . . . .  10
   6.  Key Exchange and Authentication . . . . . . . . . . . . . . .  12
     6.1.  Key Exchange  . . . . . . . . . . . . . . . . . . . . . .  13
       6.1.1.  ECDHE Shared Secret Calculation . . . . . . . . . . .  13
         6.1.1.1.  ECDHE Parameters  . . . . . . . . . . . . . . . .  13
         6.1.1.2.  ECDHE Shared Secret Calculation on Client Side  .  14
         6.1.1.3.  ECDHE Shared Secret Calculation on Server Side  .  15
       6.1.2.  Values for the Supported Groups Registry  . . . . . .  16
     6.2.  Authentication  . . . . . . . . . . . . . . . . . . . . .  17
     6.3.  Handshake Messages  . . . . . . . . . . . . . . . . . . .  17
       6.3.1.  Hello Messages  . . . . . . . . . . . . . . . . . . .  18
       6.3.2.  CertificateRequest  . . . . . . . . . . . . . . . . .  18
       6.3.3.  CertificateVerify . . . . . . . . . . . . . . . . . .  19
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  19
   8.  Historical considerations . . . . . . . . . . . . . . . . . .  21
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  21
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  22
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  22
     10.2.  Informative References . . . . . . . . . . . . . . . . .  23
   Appendix A.  Test Examples  . . . . . . . . . . . . . . . . . . .  23
   Appendix B.  Contributors . . . . . . . . . . . . . . . . . . . .  23
   Appendix C.  Acknowledgments  . . . . . . . . . . . . . . . . . .  23
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  23

1.  Introduction

   This document specifies four new cipher suites for the Transport
   Layer Security (TLS) Protocol Version 1.3 [RFC8446] to support the
   set of Russian cryptographic standard algorithms called GOST
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