text: /* $OpenBSD: gost89_params.c,v 1.2 2014/11/09 23:06:52 miod Exp $ */
  /*
   * Copyright (c) 2014 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
   * Copyright (c) 2005-2006 Cryptocom LTD
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. All advertising materials mentioning features or use of this
   *    software must display the following acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
   *
   * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
   *    endorse or promote products derived from this software without
   *    prior written permission. For written permission, please contact
   *    openssl-core@openssl.org.
   *
   * 5. Products derived from this software may not be called "OpenSSL"
   *    nor may "OpenSSL" appear in their names without prior written
   *    permission of the OpenSSL Project.
   *
   * 6. Redistributions of any form whatsoever must retain the following
   *    acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
   *
   * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
   * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   * ====================================================================
   */
  
  #include <stdlib.h>
  
  #include <openssl/opensslconf.h>
  
  #ifndef OPENSSL_NO_GOST
  #include <openssl/objects.h>
  #include <openssl/gost.h>
  
  #include "gost_locl.h"
  
  /* Substitution blocks from test examples for GOST R 34.11-94*/
  static const gost_subst_block GostR3411_94_TestParamSet = {
  	{0x1,0xF,0xD,0x0,0x5,0x7,0xA,0x4,0x9,0x2,0x3,0xE,0x6,0xB,0x8,0xC},
  	{0xD,0xB,0x4,0x1,0x3,0xF,0x5,0x9,0x0,0xA,0xE,0x7,0x6,0x8,0x2,0xC},
  	{0x4,0xB,0xA,0x0,0x7,0x2,0x1,0xD,0x3,0x6,0x8,0x5,0x9,0xC,0xF,0xE},
  	{0x6,0xC,0x7,0x1,0x5,0xF,0xD,0x8,0x4,0xA,0x9,0xE,0x0,0x3,0xB,0x2},
  	{0x7,0xD,0xA,0x1,0x0,0x8,0x9,0xF,0xE,0x4,0x6,0xC,0xB,0x2,0x5,0x3},
  	{0x5,0x8,0x1,0xD,0xA,0x3,0x4,0x2,0xE,0xF,0xC,0x7,0x6,0x0,0x9,0xB},
  	{0xE,0xB,0x4,0xC,0x6,0xD,0xF,0xA,0x2,0x3,0x8,0x1,0x0,0x7,0x5,0x9},
  	{0x4,0xA,0x9,0x2,0xD,0x8,0x0,0xE,0x6,0xB,0x1,0xC,0x7,0xF,0x5,0x3}
  };
  
  /* Substitution blocks for hash function 1.2.643.2.9.1.6.1  */
  static const gost_subst_block GostR3411_94_CryptoProParamSet = {
  	{0x1,0x3,0xA,0x9,0x5,0xB,0x4,0xF,0x8,0x6,0x7,0xE,0xD,0x0,0x2,0xC},
  	{0xD,0xE,0x4,0x1,0x7,0x0,0x5,0xA,0x3,0xC,0x8,0xF,0x6,0x2,0x9,0xB},
  	{0x7,0x6,0x2,0x4,0xD,0x9,0xF,0x0,0xA,0x1,0x5,0xB,0x8,0xE,0xC,0x3},
  	{0x7,0x6,0x4,0xB,0x9,0xC,0x2,0xA,0x1,0x8,0x0,0xE,0xF,0xD,0x3,0x5},
  	{0x4,0xA,0x7,0xC,0x0,0xF,0x2,0x8,0xE,0x1,0x6,0x5,0xD,0xB,0x9,0x3},
  	{0x7,0xF,0xC,0xE,0x9,0x4,0x1,0x0,0x3,0xB,0x5,0x2,0x6,0xA,0x8,0xD},
  	{0x5,0xF,0x4,0x0,0x2,0xD,0xB,0x9,0x1,0x7,0x6,0x3,0xC,0xE,0xA,0x8},
  	{0xA,0x4,0x5,0x6,0x8,0x1,0x3,0x7,0xD,0xC,0xE,0x0,0x9,0x2,0xB,0xF}
  };
  
  /* Test paramset from GOST 28147 */
  gost_subst_block Gost28147_TestParamSet = {
  	{0xC,0x6,0x5,0x2,0xB,0x0,0x9,0xD,0x3,0xE,0x7,0xA,0xF,0x4,0x1,0x8},
  	{0x9,0xB,0xC,0x0,0x3,0x6,0x7,0x5,0x4,0x8,0xE,0xF,0x1,0xA,0x2,0xD},
  	{0x8,0xF,0x6,0xB,0x1,0x9,0xC,0x5,0xD,0x3,0x7,0xA,0x0,0xE,0x2,0x4},
  	{0x3,0xE,0x5,0x9,0x6,0x8,0x0,0xD,0xA,0xB,0x7,0xC,0x2,0x1,0xF,0x4},
  	{0xE,0x9,0xB,0x2,0x5,0xF,0x7,0x1,0x0,0xD,0xC,0x6,0xA,0x4,0x3,0x8},
  	{0xD,0x8,0xE,0xC,0x7,0x3,0x9,0xA,0x1,0x5,0x2,0x4,0x6,0xF,0x0,0xB},
  	{0xC,0x9,0xF,0xE,0x8,0x1,0x3,0xA,0x2,0x7,0x4,0xD,0x6,0x0,0xB,0x5},
  	{0x4,0x2,0xF,0x5,0x9,0x1,0x0,0x8,0xE,0x3,0xB,0xC,0xD,0x7,0xA,0x6}
  };
  
  
  /* 1.2.643.2.2.31.1 */
  static const gost_subst_block Gost28147_CryptoProParamSetA = {
  	{0xB,0xA,0xF,0x5,0x0,0xC,0xE,0x8,0x6,0x2,0x3,0x9,0x1,0x7,0xD,0x4},
  	{0x1,0xD,0x2,0x9,0x7,0xA,0x6,0x0,0x8,0xC,0x4,0x5,0xF,0x3,0xB,0xE},
  	{0x3,0xA,0xD,0xC,0x1,0x2,0x0,0xB,0x7,0x5,0x9,0x4,0x8,0xF,0xE,0x6},
  	{0xB,0x5,0x1,0x9,0x8,0xD,0xF,0x0,0xE,0x4,0x2,0x3,0xC,0x7,0xA,0x6},
  	{0xE,0x7,0xA,0xC,0xD,0x1,0x3,0x9,0x0,0x2,0xB,0x4,0xF,0x8,0x5,0x6},
  	{0xE,0x4,0x6,0x2,0xB,0x3,0xD,0x8,0xC,0xF,0x5,0xA,0x0,0x7,0x1,0x9},
  	{0x3,0x7,0xE,0x9,0x8,0xA,0xF,0x0,0x5,0x2,0x6,0xC,0xB,0x4,0xD,0x1},
  	{0x9,0x6,0x3,0x2,0x8,0xB,0x1,0x7,0xA,0x4,0xE,0xF,0xC,0x0,0xD,0x5}
  };
  
  /* 1.2.643.2.2.31.2 */
  static const gost_subst_block Gost28147_CryptoProParamSetB = {
  	{0x0,0x4,0xB,0xE,0x8,0x3,0x7,0x1,0xA,0x2,0x9,0x6,0xF,0xD,0x5,0xC},
  	{0x5,0x2,0xA,0xB,0x9,0x1,0xC,0x3,0x7,0x4,0xD,0x0,0x6,0xF,0x8,0xE},
  	{0x8,0x3,0x2,0x6,0x4,0xD,0xE,0xB,0xC,0x1,0x7,0xF,0xA,0x0,0x9,0x5},
  	{0x2,0x7,0xC,0xF,0x9,0x5,0xA,0xB,0x1,0x4,0x0,0xD,0x6,0x8,0xE,0x3},
  	{0x7,0x5,0x0,0xD,0xB,0x6,0x1,0x2,0x3,0xA,0xC,0xF,0x4,0xE,0x9,0x8},
  	{0xE,0xC,0x0,0xA,0x9,0x2,0xD,0xB,0x7,0x5,0x8,0xF,0x3,0x6,0x1,0x4},
  	{0x0,0x1,0x2,0xA,0x4,0xD,0x5,0xC,0x9,0x7,0x3,0xF,0xB,0x8,0x6,0xE},
  	{0x8,0x4,0xB,0x1,0x3,0x5,0x0,0x9,0x2,0xE,0xA,0xC,0xD,0x6,0x7,0xF}
  };
  
  /* 1.2.643.2.2.31.3 */
  static const gost_subst_block Gost28147_CryptoProParamSetC = {
  	{0x7,0x4,0x0,0x5,0xA,0x2,0xF,0xE,0xC,0x6,0x1,0xB,0xD,0x9,0x3,0x8},
  	{0xA,0x9,0x6,0x8,0xD,0xE,0x2,0x0,0xF,0x3,0x5,0xB,0x4,0x1,0xC,0x7},
  	{0xC,0x9,0xB,0x1,0x8,0xE,0x2,0x4,0x7,0x3,0x6,0x5,0xA,0x0,0xF,0xD},
  	{0x8,0xD,0xB,0x0,0x4,0x5,0x1,0x2,0x9,0x3,0xC,0xE,0x6,0xF,0xA,0x7},
  	{0x3,0x6,0x0,0x1,0x5,0xD,0xA,0x8,0xB,0x2,0x9,0x7,0xE,0xF,0xC,0x4},
  	{0x8,0x2,0x5,0x0,0x4,0x9,0xF,0xA,0x3,0x7,0xC,0xD,0x6,0xE,0x1,0xB},
  	{0x0,0x1,0x7,0xD,0xB,0x4,0x5,0x2,0x8,0xE,0xF,0xC,0x9,0xA,0x6,0x3},
  	{0x1,0xB,0xC,0x2,0x9,0xD,0x0,0xF,0x4,0x5,0x8,0xE,0xA,0x7,0x6,0x3}
  };
  
  /* 1.2.643.2.2.31.4 */
  static const gost_subst_block Gost28147_CryptoProParamSetD = {
  	{0x1,0xA,0x6,0x8,0xF,0xB,0x0,0x4,0xC,0x3,0x5,0x9,0x7,0xD,0x2,0xE},
  	{0x3,0x0,0x6,0xF,0x1,0xE,0x9,0x2,0xD,0x8,0xC,0x4,0xB,0xA,0x5,0x7},
  	{0x8,0x0,0xF,0x3,0x2,0x5,0xE,0xB,0x1,0xA,0x4,0x7,0xC,0x9,0xD,0x6},
  	{0x0,0xC,0x8,0x9,0xD,0x2,0xA,0xB,0x7,0x3,0x6,0x5,0x4,0xE,0xF,0x1},
  	{0x1,0x5,0xE,0xC,0xA,0x7,0x0,0xD,0x6,0x2,0xB,0x4,0x9,0x3,0xF,0x8},
  	{0x1,0xC,0xB,0x0,0xF,0xE,0x6,0x5,0xA,0xD,0x4,0x8,0x9,0x3,0x7,0x2},
  	{0xB,0x6,0x3,0x4,0xC,0xF,0xE,0x2,0x7,0xD,0x8,0x0,0x5,0xA,0x9,0x1},
  	{0xF,0xC,0x2,0xA,0x6,0x4,0x5,0x0,0x7,0x9,0xE,0xD,0x1,0xB,0x8,0x3}
  };
  
  static const gost_subst_block Gost28147_TC26ParamSetZ = {
  	{0x1,0x7,0xe,0xd,0x0,0x5,0x8,0x3,0x4,0xf,0xa,0x6,0x9,0xc,0xb,0x2},
  	{0x8,0xe,0x2,0x5,0x6,0x9,0x1,0xc,0xf,0x4,0xb,0x0,0xd,0xa,0x3,0x7},
  	{0x5,0xd,0xf,0x6,0x9,0x2,0xc,0xa,0xb,0x7,0x8,0x1,0x4,0x3,0xe,0x0},
  	{0x7,0xf,0x5,0xa,0x8,0x1,0x6,0xd,0x0,0x9,0x3,0xe,0xb,0x4,0x2,0xc},
  	{0xc,0x8,0x2,0x1,0xd,0x4,0xf,0x6,0x7,0x0,0xa,0x5,0x3,0xe,0x9,0xb},
  	{0xb,0x3,0x5,0x8,0x2,0xf,0xa,0xd,0xe,0x1,0x7,0x4,0xc,0x9,0x6,0x0},
  	{0x6,0x8,0x2,0x3,0x9,0xa,0x5,0xc,0x1,0xe,0x4,0x7,0xb,0xd,0x0,0xf},
  	{0xc,0x4,0x6,0x2,0xa,0x5,0xb,0x9,0xe,0x8,0xd,0x7,0x0,0x3,0xf,0x1}
  };
  
  static const unsigned char CryptoProKeyMeshingKey[] = {
  	0x69, 0x00, 0x72, 0x22,   0x64, 0xC9, 0x04, 0x23,
  	0x8D, 0x3A, 0xDB, 0x96,   0x46, 0xE9, 0x2A, 0xC4,
  	0x18, 0xFE, 0xAC, 0x94,   0x00, 0xED, 0x07, 0x12,
  	0xC0, 0x86, 0xDC, 0xC2,   0xEF, 0x4C, 0xA9, 0x2B
  };
  
  static const struct gost89_parameters_info {
  	int nid;
  	const gost_subst_block *sblock;
  	int key_meshing;
  } gost_cipher_list[] =
  {
  	{NID_id_Gost28147_89_CryptoPro_A_ParamSet,&Gost28147_CryptoProParamSetA,1},
  	{NID_id_Gost28147_89_CryptoPro_B_ParamSet,&Gost28147_CryptoProParamSetB,1},
  	{NID_id_Gost28147_89_CryptoPro_C_ParamSet,&Gost28147_CryptoProParamSetC,1},
  	{NID_id_Gost28147_89_CryptoPro_D_ParamSet,&Gost28147_CryptoProParamSetD,1},
  	{NID_id_tc26_gost_28147_param_Z,&Gost28147_TC26ParamSetZ,1},
  	{NID_id_Gost28147_89_TestParamSet,&Gost28147_TestParamSet,0},
  	{NID_id_GostR3411_94_TestParamSet,&GostR3411_94_TestParamSet,0},
  	{NID_id_GostR3411_94_CryptoProParamSet,&GostR3411_94_CryptoProParamSet,0},
  	{NID_undef,NULL,0}
  };
  
  int
  Gost2814789_set_sbox(GOST2814789_KEY *key, int nid)
  {
  	int i;
  	const gost_subst_block *b = NULL;
  	unsigned int t;
  
  	for (i = 0; gost_cipher_list[i].nid != NID_undef; i++) {
  		if (gost_cipher_list[i].nid != nid)
  			continue;
  
  		b = gost_cipher_list[i].sblock;
  		key->key_meshing = gost_cipher_list[i].key_meshing;
  		break;
  	}
  
  	if (b == NULL)
  		return 0;
  
  	for (i = 0; i < 256; i++) {
  		t = (unsigned int)(b->k8[i >> 4] <<4 | b->k7 [i & 15]) << 24;
  		key->k87[i] = (t << 11) | (t >> 21);
  		t = (unsigned int)(b->k6[i >> 4] <<4 | b->k5 [i & 15]) << 16;
  		key->k65[i] = (t << 11) | (t >> 21);
  		t = (unsigned int)(b->k4[i >> 4] <<4 | b->k3 [i & 15]) << 8;
  		key->k43[i] = (t << 11) | (t >> 21);
  		t = (unsigned int)(b->k2[i >> 4] <<4 | b->k1 [i & 15]) << 0;
  		key->k21[i] = (t << 11) | (t >> 21);
  	}
  
  	return 1;
  }
  
  int
  Gost2814789_set_key(GOST2814789_KEY *key, const unsigned char *userKey,
      const int bits)
  {
  	int i;
  
  	if (bits != 256)
  		return 0;
  
  	for (i = 0; i < 8; i++)
  		c2l(userKey, key->key[i]);
  
  	key->count = 0;
  
  	return 1;
  }
  
  void
  Gost2814789_cryptopro_key_mesh(GOST2814789_KEY *key)
  {
  	unsigned char newkey[32];
  
  	Gost2814789_decrypt(CryptoProKeyMeshingKey +  0, newkey +  0, key);
  	Gost2814789_decrypt(CryptoProKeyMeshingKey +  8, newkey +  8, key);
  	Gost2814789_decrypt(CryptoProKeyMeshingKey + 16, newkey + 16, key);
  	Gost2814789_decrypt(CryptoProKeyMeshingKey + 24, newkey + 24, key);
  
  	Gost2814789_set_key(key, newkey, 256);
  }
  #endif
  