GOST Cipher Suites for Transport Layer Security (TLS) Protocol Version 1.2
draft-smyshlyaev-tls12-gost-suites-03

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Network Working Group                                 S. Smyshlyaev, Ed.
Internet-Draft                                                 CryptoPro
Intended status: Informational                              D. Belyavsky
Expires: April 22, 2019                                        Cryptocom
                                                             M. Saarinen
                                                  Independent Consultant
                                                        October 19, 2018

 GOST Cipher Suites for Transport Layer Security (TLS) Protocol Version
                                  1.2
                 draft-smyshlyaev-tls12-gost-suites-03

Abstract

   This document specifies a set of cipher suites for the Transport
   Layer Security (TLS) protocol Version 1.2 to support the Russian
   cryptographic standard algorithms.

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Smyshlyaev, et al.       Expires April 22, 2019                 [Page 1]
Internet-Draft       GOST Cipher Suites for TLS 1.2         October 2018

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

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   3
   3.  Basic Terms and Definitions . . . . . . . . . . . . . . . . .   3
   4.  Cipher Suite Definitions  . . . . . . . . . . . . . . . . . .   5
     4.1.  Record Payload Protection . . . . . . . . . . . . . . . .   5
       4.1.1.  CTR_OMAC  . . . . . . . . . . . . . . . . . . . . . .   5
       4.1.2.  CNT_IMIT  . . . . . . . . . . . . . . . . . . . . . .   6
     4.2.  Key Exchange and Authentication . . . . . . . . . . . . .   7
       4.2.1.  Hello Messages  . . . . . . . . . . . . . . . . . . .   8
         4.2.1.1.  Signature Algorithms Extension  . . . . . . . . .   9
       4.2.2.  CertificateRequest  . . . . . . . . . . . . . . . . .  10
       4.2.3.  ClientKeyExchange . . . . . . . . . . . . . . . . . .  10
         4.2.3.1.  CTR_OMAC  . . . . . . . . . . . . . . . . . . . .  11
         4.2.3.2.  CNT_IMIT  . . . . . . . . . . . . . . . . . . . .  12
       4.2.4.  CertificateVerify . . . . . . . . . . . . . . . . . .  14
       4.2.5.  Finished  . . . . . . . . . . . . . . . . . . . . . .  15
     4.3.  Cryptographic Algorithms  . . . . . . . . . . . . . . . .  15
       4.3.1.  Block Cipher  . . . . . . . . . . . . . . . . . . . .  15
       4.3.2.  MAC . . . . . . . . . . . . . . . . . . . . . . . . .  16
       4.3.3.  Encryption Algorithm  . . . . . . . . . . . . . . . .  16
       4.3.4.  SNMAX . . . . . . . . . . . . . . . . . . . . . . . .  16
       4.3.5.  PRF and HASH  . . . . . . . . . . . . . . . . . . . .  16
   5.  Additional Algorithms . . . . . . . . . . . . . . . . . . . .  17
     5.1.  TLSTREE . . . . . . . . . . . . . . . . . . . . . . . . .  17
       5.1.1.  Key Tree Parameters . . . . . . . . . . . . . . . . .  17
     5.2.  KExp15 and KImp15 Algorithms  . . . . . . . . . . . . . .  18
     5.3.  KEG Algorithm . . . . . . . . . . . . . . . . . . . . . .  19
     5.4.  gostIMIT28147 . . . . . . . . . . . . . . . . . . . . . .  19
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  20
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  20
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  20
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  20
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  21
   Appendix A.  Test Examples  . . . . . . . . . . . . . . . . . . .  22
     A.1.  Test Examples for CTR_OMAC cipher suites  . . . . . . . .  22
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