From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <vt@altlinux.org>
Date: Sun, 26 May 2019 00:32:02 +0300
From: Vitaly Chikunov <vt@altlinux.org>
To: Open-source aspects of GOST Cryptography
 <oss-gost-crypto@lists.altlinux.org>
Message-ID: <20190525213202.53cbwyxfjixrevcq@altlinux.org>
References: <20190502124105.tpwugswkvswnskhj@altlinux.org>
 <CALT56yPEdQ1UstJQJ4hqOQ7N36wq0KvE4N_97hf9S-zu8mGgYg@mail.gmail.com>
 <CADqLbz+fdDsP121QnuRvsW-37kc25Ey3aZ4ZOEux9+E33oFLnQ@mail.gmail.com>
 <20190504215721.d236qhknugo2xf4r@altlinux.org>
 <20190525200312.ui3zb2oouaxabaau@altlinux.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=koi8-r
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20190525200312.ui3zb2oouaxabaau@altlinux.org>
User-Agent: NeoMutt/20171215-106-ac61c7
Subject: Re: [oss-gost-crypto]
 =?koi8-r?b?Iu/CIG9wZW4tc291cmNlINLFwczJ2sHDydHI?=
 =?koi8-r?b?IMjc2y3G1c7Lw8nJIOfv8/Qg8iAzNC4xMS0yMDEyIg==?=
X-BeenThere: oss-gost-crypto@lists.altlinux.org
X-Mailman-Version: 2.1.12
Precedence: list
Reply-To: Open-source aspects of GOST Cryptography
 <oss-gost-crypto@lists.altlinux.org>
List-Id: Open-source aspects of GOST Cryptography
 <oss-gost-crypto.lists.altlinux.org>
List-Unsubscribe: <https://lists.altlinux.org/mailman/options/oss-gost-crypto>, 
 <mailto:oss-gost-crypto-request@lists.altlinux.org?subject=unsubscribe>
List-Archive: <http://lists.altlinux.org/pipermail/oss-gost-crypto>
List-Post: <mailto:oss-gost-crypto@lists.altlinux.org>
List-Help: <mailto:oss-gost-crypto-request@lists.altlinux.org?subject=help>
List-Subscribe: <https://lists.altlinux.org/mailman/listinfo/oss-gost-crypto>, 
 <mailto:oss-gost-crypto-request@lists.altlinux.org?subject=subscribe>
X-List-Received-Date: Sat, 25 May 2019 21:32:03 -0000
Archived-At: <http://lore.altlinux.org/oss-gost-crypto/20190525213202.53cbwyxfjixrevcq@altlinux.org/>
List-Archive: <http://lore.altlinux.org/oss-gost-crypto/>

On Sat, May 25, 2019 at 11:03:13PM +0300, Vitaly Chikunov wrote:
> On Sun, May 05, 2019 at 12:57:21AM +0300, Vitaly Chikunov wrote:
> > 
> > К слову, достаточно 64-х "\xff".
> > 
> >   libgcrypt (master)$ perl -E 'print "\xff" x 64'| openssl dgst -md_gost12_256 -r; perl -E 'print "\xff" x 64' | ./tests/gchash stribog256 -
> >   964a5ab60286f106288743e2fe1a422d160898ca1bd535e831aa500cfe34d7e8 *stdin
> >   6cad1fb10486524958e90756a6e72ab717d89842634004a0958582d256209818  -
> 
> Заодно тест на реализацию add512:
> 
>   ~/infotecs$ perl -E 'print "\xff" x 64' > ff
>   ~/infotecs$ xxd ff
>   00000000: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>   00000010: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>   00000020: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>   00000030: ffff ffff ffff ffff ffff ffff ffff ffff  ................
> 
>   ~/infotecs$ ./vipnethashcalc-tool ff --hash-alg Gost12S256
>   Вычисленное значение хэш-функции: 6CAD1FB10486524958E90756A6E72AB717D89842634004A0958582D256209818
> 
> Значение хэша у ViPNet Hash Calculation Tool 5.2.1.1027 соответствует
> реализации с ошибкой.
> 
> ps. На всякий случай:
> 
>   ~/infotecs$ ./vipnethashcalc-tool ff --hash-alg Gost94
>   Вычисленное значение хэш-функции: 8505D4623B76E757B63A4F9ADFF2413BAB457560A6A41A7D0056B909CDDD3D6C

  ~/cryptopro/linux-amd64$ /opt/cprocsp/bin/amd64/cryptcp
  CryptCP 4.0 (c) "КРИПТО-ПРО", 2002-2018.
  Утилита командной строки для подписи и шифрования файлов.
  ...
   -hashAlg      задать алгоритм хэширования
   OID           OID алгоритма хэширования: 1.2.643.2.2.9 для ГОСТ Р 34.11-94
		 1.2.643.7.1.1.2.2 для ГОСТ Р 34.11-2012 256 bit
		 1.2.643.7.1.1.2.3 для ГОСТ Р 34.11-2012 512 bit
  ...

  ~/cryptopro/linux-amd64$ perl -E 'print "\xff" x 64' > ff

  ~/cryptopro/linux-amd64$ /opt/cprocsp/bin/amd64/cryptcp -hash -hashAlg 1.2.643.7.1.1.2.2 ff
  CryptCP 4.0 (c) "КРИПТО-ПРО", 2002-2018.
  Утилита командной строки для подписи и шифрования файлов.
  Папка './':
  ff... OK.
  [ErrorCode: 0x00000000]
  ~/cryptopro/linux-amd64$ xxd ff.hsh
  00000000: 964a 5ab6 0286 f106 2887 43e2 fe1a 422d  .JZ.....(.C...B-
  00000010: 1608 98ca 1bd5 35e8 31aa 500c fe34 d7e8  ......5.1.P..4..

Значение хэша соответствует реализации без ошибки.