GOST Cipher Suites for TLS 1.2
draft-smyshlyaev-tls12-gost-suites-00

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Network Working Group                                 S. Smyshlyaev, Ed.
Internet-Draft                                               E. Alekseev
Intended status: Informational                            E. Smyshlyaeva
Expires: December 11, 2018                                      G. Sedov
                                                               CryptoPro
                                                            June 9, 2018

                     GOST Cipher Suites for TLS 1.2
                 draft-smyshlyaev-tls12-gost-suites-00

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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   This Internet-Draft will expire on December 11, 2018.

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Smyshlyaev, et al.      Expires December 11, 2018               [Page 1]
Internet-DraGOST Cipher Suites for Transport Layer Security (  June 2018

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   3
   3.  Basic Terms and Definitions . . . . . . . . . . . . . . . . .   3
   4.  Cipher Suite Definitions  . . . . . . . . . . . . . . . . . .   4
     4.1.  Record Payload Protection . . . . . . . . . . . . . . . .   4
     4.2.  Key Exchange and Authentication . . . . . . . . . . . . .   5
       4.2.1.  Hello Messages  . . . . . . . . . . . . . . . . . . .   7
         4.2.1.1.  Signature Algorithms Extension  . . . . . . . . .   8
       4.2.2.  CertificateRequest  . . . . . . . . . . . . . . . . .   8
       4.2.3.  ClientKeyExchange . . . . . . . . . . . . . . . . . .   9
         4.2.3.1.  CTR_OMAC  . . . . . . . . . . . . . . . . . . . .  10
         4.2.3.2.  CNT_IMIT  . . . . . . . . . . . . . . . . . . . .  11
       4.2.4.  CertificateVerify . . . . . . . . . . . . . . . . . .  13
     4.3.  Cryptographic Algorithms  . . . . . . . . . . . . . . . .  14
       4.3.1.  Block Cipher  . . . . . . . . . . . . . . . . . . . .  14
       4.3.2.  MAC . . . . . . . . . . . . . . . . . . . . . . . . .  14
       4.3.3.  Encryption Algorithm  . . . . . . . . . . . . . . . .  15
       4.3.4.  SNMAX . . . . . . . . . . . . . . . . . . . . . . . .  15
       4.3.5.  Key Tree Parameters . . . . . . . . . . . . . . . . .  15
       4.3.6.  PRF and HASH  . . . . . . . . . . . . . . . . . . . .  16
   5.  Additional Algorithms . . . . . . . . . . . . . . . . . . . .  16
     5.1.  TLSTREE . . . . . . . . . . . . . . . . . . . . . . . . .  16
     5.2.  KExp15 and KImp15 Algorithms  . . . . . . . . . . . . . .  16
     5.3.  KEG Algorithm . . . . . . . . . . . . . . . . . . . . . .  18
     5.4.  gostIMIT28147 . . . . . . . . . . . . . . . . . . . . . .  18
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  19
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  19
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  19
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  19
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  20
   Appendix A.  Test Examples  . . . . . . . . . . . . . . . . . . .  21
     A.1.  Test Examples for TODO  . . . . . . . . . . . . . . . . .  21
     A.2.  Test Examples for TODO  . . . . . . . . . . . . . . . . .  21
   Appendix B.  Acknowledgments  . . . . . . . . . . . . . . . . . .  21
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  21

1.  Introduction

   This document specifies three new cipher suites for the Transport
   Layer Security (TLS) Protocol Version 1.2 [RFC5246] to support the
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