GOST Cipher Suites for Transport Layer Security (TLS) Protocol Version 1.3
draft-smyshlyaev-tls13-gost-suites-01

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Network Working Group                                 S. Smyshlyaev, Ed.
Internet-Draft                                               E. Alekseev
Intended status: Informational                            E. Smyshlyaeva
Expires: June 18, 2020                                        A. Babueva
                                                               CryptoPro
                                                       December 16, 2019

 GOST Cipher Suites for Transport Layer Security (TLS) Protocol Version
                                  1.3
                 draft-smyshlyaev-tls13-gost-suites-01

Abstract

   The purpose of this document is to make the Russian cryptographic
   standards available to the Internet community for their
   implementation in the Transport Layer Security (TLS) Protocol Version
   1.3.

   This specification defines four new cipher suites and seven new
   signature schemes based on GOST R 34.12-2015, GOST R 34.11-2012 and
   GOST R 34.10-2012 algorithms.

Status of This Memo

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   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
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   (https://trustee.ietf.org/license-info) in effect on the date of

Smyshlyaev, et al.        Expires June 18, 2020                 [Page 1]
Internet-Draft       GOST Cipher Suites for TLS 1.3        December 2019

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   4
   3.  Basic Terms and Definitions . . . . . . . . . . . . . . . . .   4
   4.  Cipher Suite Definition . . . . . . . . . . . . . . . . . . .   6
     4.1.  Record Protection . . . . . . . . . . . . . . . . . . . .   6
       4.1.1.  AEAD Algorithm  . . . . . . . . . . . . . . . . . . .   7
         4.1.1.1.  Block Cipher  . . . . . . . . . . . . . . . . . .   9
         4.1.1.2.  TLSTREE . . . . . . . . . . . . . . . . . . . . .   9
       4.1.2.  SNMAX parameter . . . . . . . . . . . . . . . . . . .  10
     4.2.  Hash Algorithm  . . . . . . . . . . . . . . . . . . . . .  10
   5.  Signature Scheme Definition . . . . . . . . . . . . . . . . .  11
     5.1.  Signature Algorithm . . . . . . . . . . . . . . . . . . .  11
     5.2.  Elliptic Curve  . . . . . . . . . . . . . . . . . . . . .  12
     5.3.  SIGN function . . . . . . . . . . . . . . . . . . . . . .  13
   6.  Key Exchange and Authentication . . . . . . . . . . . . . . .  13
     6.1.  Key Exchange  . . . . . . . . . . . . . . . . . . . . . .  14
       6.1.1.  ECDHE Shared Secret Calculation . . . . . . . . . . .  14
         6.1.1.1.  ECDHE Shared Secret Calculation on Client Side  .  14
         6.1.1.2.  ECDHE Shared Secret Calculation on Server Side  .  16
         6.1.1.3.  Public ephemeral key representation . . . . . . .  17
       6.1.2.  Values for the TLS Supported Groups Registry  . . . .  17
     6.2.  Authentication  . . . . . . . . . . . . . . . . . . . . .  18
     6.3.  Handshake Messages  . . . . . . . . . . . . . . . . . . .  19
       6.3.1.  Hello Messages  . . . . . . . . . . . . . . . . . . .  19
       6.3.2.  CertificateRequest  . . . . . . . . . . . . . . . . .  20
       6.3.3.  Certificate . . . . . . . . . . . . . . . . . . . . .  21
       6.3.4.  CertificateVerify . . . . . . . . . . . . . . . . . .  21
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  22
   8.  Historical considerations . . . . . . . . . . . . . . . . . .  23
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  24
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  25
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  25
     10.2.  Informative References . . . . . . . . . . . . . . . . .  26
   Appendix A.  Test Examples  . . . . . . . . . . . . . . . . . . .  26
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