engines/ccgost/gost_pmeth.c

   1 /**********************************************************************
   2  *                          gost_pmeth.c                              *
   3  *             Copyright (c) 2005-2006 Cryptocom LTD                  *
   4  *         This file is distributed under the same license as OpenSSL *
   5  *                                                                    *
   6  *   Implementation of RFC 4357 (GOST R 34.10) Publick key method     *
   7  *       for OpenSSL                                                  *
   8  *          Requires OpenSSL 0.9.9 for compilation                    *
   9  **********************************************************************/
  10 #include <openssl/evp.h>
  11 #include <openssl/objects.h>
  12 #include <openssl/ec.h>
  13 #include <openssl/x509v3.h> /*For string_to_hex */
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <ctype.h>
  17 #include "gost_params.h"
  18 #include "gost_lcl.h"
  19 #include "e_gost_err.h"
  20 /*-------init, cleanup, copy - uniform for all algs  ---------------*/
  21 /* Allocates new gost_pmeth_data structure and assigns it as data */
  22 static int pkey_gost_init(EVP_PKEY_CTX *ctx)
  23         {
  24         struct gost_pmeth_data *data;
  25         EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
  26         data = OPENSSL_malloc(sizeof(struct gost_pmeth_data));
  27         if (!data) return 0;
  28         memset(data,0,sizeof(struct gost_pmeth_data));
  29         if (pkey && EVP_PKEY_get0(pkey))
  30                 {
  31                 switch (EVP_PKEY_base_id(pkey)) {
  32                 case NID_id_GostR3410_94:
  33                   data->sign_param_nid = gost94_nid_by_params(EVP_PKEY_get0(pkey));
  34                   break;
  35                 case NID_id_GostR3410_2001:
  36                    data->sign_param_nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(EVP_PKEY_get0((EVP_PKEY *)pkey)));
  37                 break;
  38                 default:
  39                         return 0;
  40                 }
  41                 }
  42         EVP_PKEY_CTX_set_data(ctx,data);
  43         return 1;
  44         }
  45
  46 /* Copies contents of gost_pmeth_data structure */
  47 static int pkey_gost_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
  48         {
  49         struct gost_pmeth_data *dst_data,*src_data;
  50         if (!pkey_gost_init(dst))
  51                 {
  52                 return 0;
  53                 }
  54         src_data = EVP_PKEY_CTX_get_data(src);
  55         dst_data = EVP_PKEY_CTX_get_data(dst);
  56         *dst_data = *src_data;
  57         if (src_data -> shared_ukm) {
  58                 dst_data->shared_ukm=NULL;
  59         }
  60         return 1;
  61         }
  62
  63 /* Frees up gost_pmeth_data structure */
  64 static void pkey_gost_cleanup (EVP_PKEY_CTX *ctx)
  65         {
  66         struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
  67         if (data->shared_ukm) OPENSSL_free(data->shared_ukm);
  68         OPENSSL_free(data);
  69         }
  70
  71 /* --------------------- control functions  ------------------------------*/
  72 static int pkey_gost_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
  73         {
  74         struct gost_pmeth_data *pctx = (struct gost_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
  75         switch (type)
  76                 {
  77                 case EVP_PKEY_CTRL_MD:
  78                 {
  79                 if (EVP_MD_type((const EVP_MD *)p2) != NID_id_GostR3411_94)
  80                         {
  81                         GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
  82                         return 0;
  83                         }
  84                 pctx->md = (EVP_MD *)p2;
  85                 return 1;
  86                 }
  87                 break;
  88
  89                 case EVP_PKEY_CTRL_GET_MD:
  90                 *(const EVP_MD **)p2 = pctx->md;
  91                 return 1;
  92
  93                 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
  94                 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
  95                 case EVP_PKEY_CTRL_PKCS7_SIGN:
  96                 case EVP_PKEY_CTRL_DIGESTINIT:
  97 #ifndef OPENSSL_NO_CMS
  98                 case EVP_PKEY_CTRL_CMS_ENCRYPT:
  99                 case EVP_PKEY_CTRL_CMS_DECRYPT:
 100                 case EVP_PKEY_CTRL_CMS_SIGN:
 101 #endif
 102                         return 1;
 103
 104                 case EVP_PKEY_CTRL_GOST_PARAMSET:
 105                         pctx->sign_param_nid = (int)p1;
 106                         return 1;
 107                 case EVP_PKEY_CTRL_SET_IV:
 108                         pctx->shared_ukm=OPENSSL_malloc((int)p1);
 109                         memcpy(pctx->shared_ukm,p2,(int) p1);
 110                         return 1;
 111                 case EVP_PKEY_CTRL_PEER_KEY:
 112                         if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
 113                                 return 1;
 114                         if (p1 == 2)            /* TLS: peer key used? */
 115                                 return pctx->peer_key_used;
 116                         if (p1 == 3)            /* TLS: peer key used! */
 117                                 return (pctx->peer_key_used = 1);
 118                         return -2;
 119                 }
 120         return -2;
 121         }
 122
 123
 124 static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
 125         const char *type, const char *value)
 126         {
 127         int param_nid=0;
 128         if(!strcmp(type, param_ctrl_string))
 129                 {
 130                 if (!value)
 131                         {
 132                         return 0;
 133                         }
 134                 if (strlen(value) == 1)
 135                         {
 136                         switch(toupper((unsigned char)value[0]))
 137                                 {
 138                                 case 'A':
 139                                         param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
 140                                         break;
 141                                 case 'B':
 142                                         param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
 143                                         break;
 144                                 case 'C':
 145                                         param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
 146                                         break;
 147                                 case 'D':
 148                                         param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
 149                                         break;
 150                                 default:
 151                                         return 0;
 152                                         break;
 153                                 }
 154                         }
 155                 else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
 156                         {
 157                         switch (toupper((unsigned char)value[1]))
 158                                 {
 159                                 case 'A':
 160                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
 161                                         break;
 162                                 case 'B':
 163                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
 164                                         break;
 165                                 case 'C':
 166                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
 167                                         break;
 168                                 default:
 169                                         return 0;
 170                                         break;
 171                                 }
 172                         }
 173                 else
 174                         {
 175                         R3410_params *p = R3410_paramset;
 176                         param_nid = OBJ_txt2nid(value);
 177                         if (param_nid == NID_undef)
 178                                 {
 179                                 return 0;
 180                                 }
 181                         for (;p->nid != NID_undef;p++)
 182                                 {
 183                                 if (p->nid == param_nid) break;
 184                                 }
 185                         if (p->nid == NID_undef)
 186                                 {
 187                                 GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR,
 188                                         GOST_R_INVALID_PARAMSET);
 189                                 return 0;
 190                                 }
 191                         }
 192
 193                 return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
 194                         param_nid, NULL);
 195                 }
 196         return -2;
 197         }
 198
 199 static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
 200         const char *type, const char *value)
 201         {
 202         int param_nid=0;
 203         if(!strcmp(type, param_ctrl_string))
 204                 {
 205                 if (!value)
 206                         {
 207                         return 0;
 208                         }
 209                 if (strlen(value) == 1)
 210                         {
 211                         switch(toupper((unsigned char)value[0]))
 212                                 {
 213                                 case 'A':
 214                                         param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
 215                                         break;
 216                                 case 'B':
 217                                         param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
 218                                         break;
 219                                 case 'C':
 220                                         param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
 221                                         break;
 222                                 case '0':
 223                                         param_nid = NID_id_GostR3410_2001_TestParamSet;
 224                                         break;
 225                                 default:
 226                                         return 0;
 227                                         break;
 228                                 }
 229                         }
 230                 else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
 231                         {
 232                         switch (toupper((unsigned char)value[1]))
 233                                 {
 234                                 case 'A':
 235                                         param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
 236                                         break;
 237                                 case 'B':
 238                                         param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
 239                                         break;
 240                                 default:
 241                                         return 0;
 242                                         break;
 243                                 }
 244                         }
 245                 else
 246                         {
 247                         R3410_2001_params *p = R3410_2001_paramset;
 248                         param_nid = OBJ_txt2nid(value);
 249                         if (param_nid == NID_undef)
 250                                 {
 251                                 return 0;
 252                                 }
 253                         for (;p->nid != NID_undef;p++)
 254                                 {
 255                                 if (p->nid == param_nid) break;
 256                                 }
 257                         if (p->nid == NID_undef)
 258                                 {
 259                                 GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR,
 260                                         GOST_R_INVALID_PARAMSET);
 261                                 return 0;
 262                                 }
 263                         }
 264
 265                 return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
 266                         param_nid, NULL);
 267                 }
 268         return -2;
 269         }
 270
 271 /* --------------------- key generation  --------------------------------*/
 272
 273 static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx) {
 274         return 1;
 275 }
 276 static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 277         {
 278         struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 279         DSA *dsa=NULL;
 280         if (data->sign_param_nid == NID_undef)
 281                 {
 282                         GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN,
 283                                 GOST_R_NO_PARAMETERS_SET);
 284                         return 0;
 285                 }
 286         dsa = DSA_new();
 287         if (!fill_GOST94_params(dsa,data->sign_param_nid))
 288                 {
 289                 DSA_free(dsa);
 290                 return 0;
 291                 }
 292         EVP_PKEY_assign(pkey,NID_id_GostR3410_94,dsa);
 293         return 1;
 294         }
 295 static int pkey_gost01_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 296         {
 297         struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 298         EC_KEY *ec=NULL;
 299
 300         if (data->sign_param_nid == NID_undef)
 301                 {
 302                         GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN,
 303                                 GOST_R_NO_PARAMETERS_SET);
 304                         return 0;
 305                 }
 306         if (!ec)
 307                 ec = EC_KEY_new();
 308         if (!fill_GOST2001_params(ec,data->sign_param_nid))
 309                 {
 310                 EC_KEY_free(ec);
 311                 return 0;
 312                 }
 313         EVP_PKEY_assign(pkey,NID_id_GostR3410_2001,ec);
 314         return 1;
 315         }
 316
 317 /* Generates Gost_R3410_94_cp key */
 318 static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 319         {
 320         DSA *dsa;
 321         if (!pkey_gost94_paramgen(ctx,pkey)) return 0;
 322         dsa = EVP_PKEY_get0(pkey);
 323         gost_sign_keygen(dsa);
 324         return 1;
 325         }
 326
 327 /* Generates GOST_R3410 2001 key and assigns it using specified type */
 328 static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 329         {
 330         EC_KEY *ec;
 331     if (!pkey_gost01_paramgen(ctx,pkey)) return 0;
 332         ec = EVP_PKEY_get0(pkey);
 333         gost2001_keygen(ec);
 334         return 1;
 335         }
 336
 337
 338
 339 /* ----------- sign callbacks --------------------------------------*/
 340
 341 static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
 342         const unsigned char *tbs, size_t tbs_len)
 343         {
 344         DSA_SIG *unpacked_sig=NULL;
 345         EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
 346         if (!siglen) return 0;
 347         if (!sig)
 348                 {
 349                 *siglen= 64; /* better to check size of pkey->pkey.dsa-q */
 350                 return 1;
 351                 }
 352         unpacked_sig = gost_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
 353         if (!unpacked_sig)
 354                 {
 355                 return 0;
 356                 }
 357         return pack_sign_cp(unpacked_sig,32,sig,siglen);
 358         }
 359
 360 static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
 361         const unsigned char *tbs, size_t tbs_len)
 362         {
 363         DSA_SIG *unpacked_sig=NULL;
 364         EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
 365         if (!siglen) return 0;
 366         if (!sig)
 367                 {
 368                 *siglen= 64; /* better to check size of curve order*/
 369                 return 1;
 370                 }
 371         unpacked_sig = gost2001_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
 372         if (!unpacked_sig)
 373                 {
 374                 return 0;
 375                 }
 376         return pack_sign_cp(unpacked_sig,32,sig,siglen);
 377         }
 378
 379 /* ------------------- verify callbacks ---------------------------*/
 380
 381 static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
 382         size_t siglen, const unsigned char *tbs, size_t tbs_len)
 383         {
 384         int ok = 0;
 385         EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
 386         DSA_SIG *s=unpack_cp_signature(sig,siglen);
 387         if (!s) return 0;
 388         if (pub_key) ok = gost_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
 389         DSA_SIG_free(s);
 390         return ok;
 391         }
 392
 393
 394 static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
 395         size_t siglen, const unsigned char *tbs, size_t tbs_len)
 396         {
 397         int ok = 0;
 398         EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
 399         DSA_SIG *s=unpack_cp_signature(sig,siglen);
 400         if (!s) return 0;
 401 #ifdef DEBUG_SIGN
 402         fprintf(stderr,"R=");
 403         BN_print_fp(stderr,s->r);
 404         fprintf(stderr,"\nS=");
 405         BN_print_fp(stderr,s->s);
 406         fprintf(stderr,"\n");
 407 #endif
 408         if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
 409         DSA_SIG_free(s);
 410         return ok;
 411         }
 412
 413 /* ------------- encrypt init -------------------------------------*/
 414 /* Generates ephermeral key */
 415 static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
 416         {
 417         return 1;
 418         }
 419 /* --------------- Derive init ------------------------------------*/
 420 static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
 421 {
 422         return 1;
 423 }
 424 /* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
 425 static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
 426         {
 427         struct gost_mac_pmeth_data *data;
 428         data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
 429         if (!data) return 0;
 430         memset(data,0,sizeof(struct gost_mac_pmeth_data));
 431         EVP_PKEY_CTX_set_data(ctx,data);
 432         return 1;
 433         }
 434 static void pkey_gost_mac_cleanup (EVP_PKEY_CTX *ctx)
 435         {
 436         struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 437         OPENSSL_free(data);
 438         }
 439 static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
 440         {
 441         struct gost_mac_pmeth_data *dst_data,*src_data;
 442         if (!pkey_gost_mac_init(dst))
 443                 {
 444                 return 0;
 445                 }
 446         src_data = EVP_PKEY_CTX_get_data(src);
 447         dst_data = EVP_PKEY_CTX_get_data(dst);
 448         *dst_data = *src_data;
 449         return 1;
 450         }
 451
 452 static int pkey_gost_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
 453         {
 454         struct gost_mac_pmeth_data *data =
 455 (struct gost_mac_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
 456
 457         switch (type)
 458                 {
 459                 case EVP_PKEY_CTRL_MD:
 460                 {
 461                 if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC)
 462                         {
 463                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_DIGEST_TYPE);
 464                         return 0;
 465                         }
 466                 data->md = (EVP_MD *)p2;
 467                 return 1;
 468                 }
 469                 break;
 470
 471                 case EVP_PKEY_CTRL_GET_MD:
 472                 *(const EVP_MD **)p2 = data->md;
 473                 return 1;
 474
 475                 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
 476                 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
 477                 case EVP_PKEY_CTRL_PKCS7_SIGN:
 478                         return 1;
 479                 case EVP_PKEY_CTRL_SET_MAC_KEY:
 480                         if (p1 != 32)
 481                                 {
 482                                 GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
 483                                         GOST_R_INVALID_MAC_KEY_LENGTH);
 484                                 return 0;
 485                                 }
 486
 487                         memcpy(data->key,p2,32);
 488                         data->key_set = 1;
 489                         return 1;
 490                 case EVP_PKEY_CTRL_DIGESTINIT:
 491                         {
 492                         EVP_MD_CTX *mctx = p2;
 493                         void *key;
 494                         if (!data->key_set)
 495                                 {
 496                                 EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
 497                                 if (!pkey)
 498                                         {
 499                                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
 500                                         return 0;
 501                                         }
 502                                 key = EVP_PKEY_get0(pkey);
 503                                 if (!key)
 504                                         {
 505                                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
 506                                         return 0;
 507                                         }
 508                                 } else {
 509                                 key = &(data->key);
 510                                 }
 511                         return mctx->digest->md_ctrl(mctx,EVP_MD_CTRL_SET_KEY,32,key);
 512                         }
 513                 }
 514         return -2;
 515         }
 516 static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
 517         const char *type, const char *value)
 518         {
 519         if (!strcmp(type, key_ctrl_string))
 520                 {
 521                 if (strlen(value)!=32)
 522                         {
 523                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
 524                                 GOST_R_INVALID_MAC_KEY_LENGTH);
 525                         return 0;
 526                         }
 527                 return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
 528                         32,(char *)value);
 529                 }
 530         if (!strcmp(type, hexkey_ctrl_string))
 531                 {
 532                         long keylen; int ret;
 533                         unsigned char *keybuf=string_to_hex(value,&keylen);
 534                         if (keylen != 32)
 535                                 {
 536                                 GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
 537                                         GOST_R_INVALID_MAC_KEY_LENGTH);
 538                                 OPENSSL_free(keybuf);
 539                                 return 0;
 540                                 }
 541                         ret= pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
 542                                 32,keybuf);
 543                         OPENSSL_free(keybuf);
 544                         return ret;
 545
 546                 }
 547         return -2;
 548         }
 549
 550 static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 551         {
 552                 struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 553                 unsigned char *keydata;
 554                 if (!data->key_set)
 555                 {
 556                         GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN,GOST_R_MAC_KEY_NOT_SET);
 557                         return 0;
 558                 }
 559                 keydata = OPENSSL_malloc(32);
 560                 memcpy(keydata,data->key,32);
 561                 EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
 562                 return 1;
 563         }
 564
 565 static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
 566         {
 567         return 1;
 568 }
 569
 570 static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, EVP_MD_CTX *mctx)
 571         {
 572                 unsigned int tmpsiglen=*siglen; /* for platforms where sizeof(int)!=sizeof(size_t)*/
 573                 int ret;
 574                 if (!sig)
 575                         {
 576                         *siglen = 4;
 577                         return 1;
 578                         }
 579                 ret=EVP_DigestFinal_ex(mctx,sig,&tmpsiglen);
 580                 *siglen = tmpsiglen;
 581                 return ret;
 582         }
 583 /* ----------------------------------------------------------------*/
 584 int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth,int flags)
 585         {
 586         *pmeth = EVP_PKEY_meth_new(id, flags);
 587         if (!*pmeth) return 0;
 588
 589         switch (id)
 590                 {
 591                 case NID_id_GostR3410_94:
 592                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl94_str);
 593                         EVP_PKEY_meth_set_keygen(*pmeth,NULL,pkey_gost94cp_keygen);
 594                         EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
 595                         EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
 596                         EVP_PKEY_meth_set_encrypt(*pmeth,
 597                                 pkey_gost_encrypt_init, pkey_GOST94cp_encrypt);
 598                         EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
 599                         EVP_PKEY_meth_set_derive(*pmeth,
 600                                 pkey_gost_derive_init, pkey_gost94_derive);
 601                         EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost94_paramgen);
 602                         break;
 603                 case NID_id_GostR3410_2001:
 604                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl01_str);
 605                         EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
 606                         EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
 607
 608                         EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
 609
 610                         EVP_PKEY_meth_set_encrypt(*pmeth,
 611                                 pkey_gost_encrypt_init, pkey_GOST01cp_encrypt);
 612                         EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
 613                         EVP_PKEY_meth_set_derive(*pmeth,
 614                                 pkey_gost_derive_init, pkey_gost2001_derive);
 615                         EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost01_paramgen);
 616                         break;
 617                 case NID_id_Gost28147_89_MAC:
 618                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_mac_ctrl, pkey_gost_mac_ctrl_str);
 619                         EVP_PKEY_meth_set_signctx(*pmeth,pkey_gost_mac_signctx_init, pkey_gost_mac_signctx);
 620                         EVP_PKEY_meth_set_keygen(*pmeth,NULL, pkey_gost_mac_keygen);
 621                         EVP_PKEY_meth_set_init(*pmeth,pkey_gost_mac_init);
 622                         EVP_PKEY_meth_set_cleanup(*pmeth,pkey_gost_mac_cleanup);
 623                         EVP_PKEY_meth_set_copy(*pmeth,pkey_gost_mac_copy);
 624                         return 1;
 625                 default: /*Unsupported method*/
 626                         return 0;
 627                 }
 628         EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
 629         EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);
 630
 631         EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
 632         /*FIXME derive etc...*/
 633
 634         return 1;
 635         }
 636