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                         if (pctx->shared_ukm == NULL)
 110                                 {
 111                                 GOSTerr(GOST_F_PKEY_GOST_CTRL, ERR_R_MALLOC_FAILURE);
 112                                 return 0;
 113                                 }
 114                         memcpy(pctx->shared_ukm,p2,(int) p1);
 115                         return 1;
 116                 case EVP_PKEY_CTRL_PEER_KEY:
 117                         if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
 118                                 return 1;
 119                         if (p1 == 2)            /* TLS: peer key used? */
 120                                 return pctx->peer_key_used;
 121                         if (p1 == 3)            /* TLS: peer key used! */
 122                                 return (pctx->peer_key_used = 1);
 123                         return -2;
 124                 }
 125         return -2;
 126         }
 127
 128
 129 static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
 130         const char *type, const char *value)
 131         {
 132         int param_nid=0;
 133         if(!strcmp(type, param_ctrl_string))
 134                 {
 135                 if (!value)
 136                         {
 137                         return 0;
 138                         }
 139                 if (strlen(value) == 1)
 140                         {
 141                         switch(toupper((unsigned char)value[0]))
 142                                 {
 143                                 case 'A':
 144                                         param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
 145                                         break;
 146                                 case 'B':
 147                                         param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
 148                                         break;
 149                                 case 'C':
 150                                         param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
 151                                         break;
 152                                 case 'D':
 153                                         param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
 154                                         break;
 155                                 default:
 156                                         return 0;
 157                                         break;
 158                                 }
 159                         }
 160                 else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
 161                         {
 162                         switch (toupper((unsigned char)value[1]))
 163                                 {
 164                                 case 'A':
 165                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
 166                                         break;
 167                                 case 'B':
 168                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
 169                                         break;
 170                                 case 'C':
 171                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
 172                                         break;
 173                                 default:
 174                                         return 0;
 175                                         break;
 176                                 }
 177                         }
 178                 else
 179                         {
 180                         R3410_params *p = R3410_paramset;
 181                         param_nid = OBJ_txt2nid(value);
 182                         if (param_nid == NID_undef)
 183                                 {
 184                                 return 0;
 185                                 }
 186                         for (;p->nid != NID_undef;p++)
 187                                 {
 188                                 if (p->nid == param_nid) break;
 189                                 }
 190                         if (p->nid == NID_undef)
 191                                 {
 192                                 GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR,
 193                                         GOST_R_INVALID_PARAMSET);
 194                                 return 0;
 195                                 }
 196                         }
 197
 198                 return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
 199                         param_nid, NULL);
 200                 }
 201         return -2;
 202         }
 203
 204 static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
 205         const char *type, const char *value)
 206         {
 207         int param_nid=0;
 208         if(!strcmp(type, param_ctrl_string))
 209                 {
 210                 if (!value)
 211                         {
 212                         return 0;
 213                         }
 214                 if (strlen(value) == 1)
 215                         {
 216                         switch(toupper((unsigned char)value[0]))
 217                                 {
 218                                 case 'A':
 219                                         param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
 220                                         break;
 221                                 case 'B':
 222                                         param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
 223                                         break;
 224                                 case 'C':
 225                                         param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
 226                                         break;
 227                                 case '0':
 228                                         param_nid = NID_id_GostR3410_2001_TestParamSet;
 229                                         break;
 230                                 default:
 231                                         return 0;
 232                                         break;
 233                                 }
 234                         }
 235                 else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
 236                         {
 237                         switch (toupper((unsigned char)value[1]))
 238                                 {
 239                                 case 'A':
 240                                         param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
 241                                         break;
 242                                 case 'B':
 243                                         param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
 244                                         break;
 245                                 default:
 246                                         return 0;
 247                                         break;
 248                                 }
 249                         }
 250                 else
 251                         {
 252                         R3410_2001_params *p = R3410_2001_paramset;
 253                         param_nid = OBJ_txt2nid(value);
 254                         if (param_nid == NID_undef)
 255                                 {
 256                                 return 0;
 257                                 }
 258                         for (;p->nid != NID_undef;p++)
 259                                 {
 260                                 if (p->nid == param_nid) break;
 261                                 }
 262                         if (p->nid == NID_undef)
 263                                 {
 264                                 GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR,
 265                                         GOST_R_INVALID_PARAMSET);
 266                                 return 0;
 267                                 }
 268                         }
 269
 270                 return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
 271                         param_nid, NULL);
 272                 }
 273         return -2;
 274         }
 275
 276 /* --------------------- key generation  --------------------------------*/
 277
 278 static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx) {
 279         return 1;
 280 }
 281 static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 282         {
 283         struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 284         DSA *dsa=NULL;
 285         if (data->sign_param_nid == NID_undef)
 286                 {
 287                         GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN,
 288                                 GOST_R_NO_PARAMETERS_SET);
 289                         return 0;
 290                 }
 291         dsa = DSA_new();
 292         if (!fill_GOST94_params(dsa,data->sign_param_nid))
 293                 {
 294                 DSA_free(dsa);
 295                 return 0;
 296                 }
 297         EVP_PKEY_assign(pkey,NID_id_GostR3410_94,dsa);
 298         return 1;
 299         }
 300 static int pkey_gost01_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 301         {
 302         struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 303         EC_KEY *ec=NULL;
 304
 305         if (data->sign_param_nid == NID_undef)
 306                 {
 307                         GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN,
 308                                 GOST_R_NO_PARAMETERS_SET);
 309                         return 0;
 310                 }
 311         if (!ec)
 312                 ec = EC_KEY_new();
 313         if (!fill_GOST2001_params(ec,data->sign_param_nid))
 314                 {
 315                 EC_KEY_free(ec);
 316                 return 0;
 317                 }
 318         EVP_PKEY_assign(pkey,NID_id_GostR3410_2001,ec);
 319         return 1;
 320         }
 321
 322 /* Generates Gost_R3410_94_cp key */
 323 static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 324         {
 325         DSA *dsa;
 326         if (!pkey_gost94_paramgen(ctx,pkey)) return 0;
 327         dsa = EVP_PKEY_get0(pkey);
 328         gost_sign_keygen(dsa);
 329         return 1;
 330         }
 331
 332 /* Generates GOST_R3410 2001 key and assigns it using specified type */
 333 static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 334         {
 335         EC_KEY *ec;
 336     if (!pkey_gost01_paramgen(ctx,pkey)) return 0;
 337         ec = EVP_PKEY_get0(pkey);
 338         gost2001_keygen(ec);
 339         return 1;
 340         }
 341
 342
 343
 344 /* ----------- sign callbacks --------------------------------------*/
 345
 346 static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
 347         const unsigned char *tbs, size_t tbs_len)
 348         {
 349         DSA_SIG *unpacked_sig=NULL;
 350         EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
 351         if (!siglen) return 0;
 352         if (!sig)
 353                 {
 354                 *siglen= 64; /* better to check size of pkey->pkey.dsa-q */
 355                 return 1;
 356                 }
 357         unpacked_sig = gost_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
 358         if (!unpacked_sig)
 359                 {
 360                 return 0;
 361                 }
 362         return pack_sign_cp(unpacked_sig,32,sig,siglen);
 363         }
 364
 365 static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
 366         const unsigned char *tbs, size_t tbs_len)
 367         {
 368         DSA_SIG *unpacked_sig=NULL;
 369         EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
 370         if (!siglen) return 0;
 371         if (!sig)
 372                 {
 373                 *siglen= 64; /* better to check size of curve order*/
 374                 return 1;
 375                 }
 376         unpacked_sig = gost2001_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
 377         if (!unpacked_sig)
 378                 {
 379                 return 0;
 380                 }
 381         return pack_sign_cp(unpacked_sig,32,sig,siglen);
 382         }
 383
 384 /* ------------------- verify callbacks ---------------------------*/
 385
 386 static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
 387         size_t siglen, const unsigned char *tbs, size_t tbs_len)
 388         {
 389         int ok = 0;
 390         EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
 391         DSA_SIG *s=unpack_cp_signature(sig,siglen);
 392         if (!s) return 0;
 393         if (pub_key) ok = gost_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
 394         DSA_SIG_free(s);
 395         return ok;
 396         }
 397
 398
 399 static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
 400         size_t siglen, const unsigned char *tbs, size_t tbs_len)
 401         {
 402         int ok = 0;
 403         EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
 404         DSA_SIG *s=unpack_cp_signature(sig,siglen);
 405         if (!s) return 0;
 406 #ifdef DEBUG_SIGN
 407         fprintf(stderr,"R=");
 408         BN_print_fp(stderr,s->r);
 409         fprintf(stderr,"\nS=");
 410         BN_print_fp(stderr,s->s);
 411         fprintf(stderr,"\n");
 412 #endif
 413         if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
 414         DSA_SIG_free(s);
 415         return ok;
 416         }
 417
 418 /* ------------- encrypt init -------------------------------------*/
 419 /* Generates ephermeral key */
 420 static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
 421         {
 422         return 1;
 423         }
 424 /* --------------- Derive init ------------------------------------*/
 425 static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
 426 {
 427         return 1;
 428 }
 429 /* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
 430 static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
 431         {
 432         struct gost_mac_pmeth_data *data;
 433         data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
 434         if (!data) return 0;
 435         memset(data,0,sizeof(struct gost_mac_pmeth_data));
 436         EVP_PKEY_CTX_set_data(ctx,data);
 437         return 1;
 438         }
 439 static void pkey_gost_mac_cleanup (EVP_PKEY_CTX *ctx)
 440         {
 441         struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 442         OPENSSL_free(data);
 443         }
 444 static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
 445         {
 446         struct gost_mac_pmeth_data *dst_data,*src_data;
 447         if (!pkey_gost_mac_init(dst))
 448                 {
 449                 return 0;
 450                 }
 451         src_data = EVP_PKEY_CTX_get_data(src);
 452         dst_data = EVP_PKEY_CTX_get_data(dst);
 453         *dst_data = *src_data;
 454         return 1;
 455         }
 456
 457 static int pkey_gost_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
 458         {
 459         struct gost_mac_pmeth_data *data =
 460 (struct gost_mac_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
 461
 462         switch (type)
 463                 {
 464                 case EVP_PKEY_CTRL_MD:
 465                 {
 466                 if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC)
 467                         {
 468                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_DIGEST_TYPE);
 469                         return 0;
 470                         }
 471                 data->md = (EVP_MD *)p2;
 472                 return 1;
 473                 }
 474                 break;
 475
 476                 case EVP_PKEY_CTRL_GET_MD:
 477                 *(const EVP_MD **)p2 = data->md;
 478                 return 1;
 479
 480                 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
 481                 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
 482                 case EVP_PKEY_CTRL_PKCS7_SIGN:
 483                         return 1;
 484                 case EVP_PKEY_CTRL_SET_MAC_KEY:
 485                         if (p1 != 32)
 486                                 {
 487                                 GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
 488                                         GOST_R_INVALID_MAC_KEY_LENGTH);
 489                                 return 0;
 490                                 }
 491
 492                         memcpy(data->key,p2,32);
 493                         data->key_set = 1;
 494                         return 1;
 495                 case EVP_PKEY_CTRL_DIGESTINIT:
 496                         {
 497                         EVP_MD_CTX *mctx = p2;
 498                         void *key;
 499                         if (!data->key_set)
 500                                 {
 501                                 EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
 502                                 if (!pkey)
 503                                         {
 504                                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
 505                                         return 0;
 506                                         }
 507                                 key = EVP_PKEY_get0(pkey);
 508                                 if (!key)
 509                                         {
 510                                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
 511                                         return 0;
 512                                         }
 513                                 } else {
 514                                 key = &(data->key);
 515                                 }
 516                         return mctx->digest->md_ctrl(mctx,EVP_MD_CTRL_SET_KEY,32,key);
 517                         }
 518                 }
 519         return -2;
 520         }
 521 static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
 522         const char *type, const char *value)
 523         {
 524         if (!strcmp(type, key_ctrl_string))
 525                 {
 526                 if (strlen(value)!=32)
 527                         {
 528                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
 529                                 GOST_R_INVALID_MAC_KEY_LENGTH);
 530                         return 0;
 531                         }
 532                 return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
 533                         32,(char *)value);
 534                 }
 535         if (!strcmp(type, hexkey_ctrl_string))
 536                 {
 537                         long keylen; int ret;
 538                         unsigned char *keybuf=string_to_hex(value,&keylen);
 539                         if (keylen != 32)
 540                                 {
 541                                 GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
 542                                         GOST_R_INVALID_MAC_KEY_LENGTH);
 543                                 OPENSSL_free(keybuf);
 544                                 return 0;
 545                                 }
 546                         ret= pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
 547                                 32,keybuf);
 548                         OPENSSL_free(keybuf);
 549                         return ret;
 550
 551                 }
 552         return -2;
 553         }
 554
 555 static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
 556         {
 557                 struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
 558                 unsigned char *keydata;
 559                 if (!data->key_set)
 560                 {
 561                         GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN,GOST_R_MAC_KEY_NOT_SET);
 562                         return 0;
 563                 }
 564                 keydata = OPENSSL_malloc(32);
 565                 if (keydata == NULL)
 566                         return 0;
 567                 memcpy(keydata,data->key,32);
 568                 EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
 569                 return 1;
 570         }
 571
 572 static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
 573         {
 574         return 1;
 575 }
 576
 577 static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, EVP_MD_CTX *mctx)
 578         {
 579                 unsigned int tmpsiglen=*siglen; /* for platforms where sizeof(int)!=sizeof(size_t)*/
 580                 int ret;
 581                 if (!sig)
 582                         {
 583                         *siglen = 4;
 584                         return 1;
 585                         }
 586                 ret=EVP_DigestFinal_ex(mctx,sig,&tmpsiglen);
 587                 *siglen = tmpsiglen;
 588                 return ret;
 589         }
 590 /* ----------------------------------------------------------------*/
 591 int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth,int flags)
 592         {
 593         *pmeth = EVP_PKEY_meth_new(id, flags);
 594         if (!*pmeth) return 0;
 595
 596         switch (id)
 597                 {
 598                 case NID_id_GostR3410_94:
 599                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl94_str);
 600                         EVP_PKEY_meth_set_keygen(*pmeth,NULL,pkey_gost94cp_keygen);
 601                         EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
 602                         EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
 603                         EVP_PKEY_meth_set_encrypt(*pmeth,
 604                                 pkey_gost_encrypt_init, pkey_GOST94cp_encrypt);
 605                         EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
 606                         EVP_PKEY_meth_set_derive(*pmeth,
 607                                 pkey_gost_derive_init, pkey_gost94_derive);
 608                         EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost94_paramgen);
 609                         break;
 610                 case NID_id_GostR3410_2001:
 611                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl01_str);
 612                         EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
 613                         EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
 614
 615                         EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
 616
 617                         EVP_PKEY_meth_set_encrypt(*pmeth,
 618                                 pkey_gost_encrypt_init, pkey_GOST01cp_encrypt);
 619                         EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
 620                         EVP_PKEY_meth_set_derive(*pmeth,
 621                                 pkey_gost_derive_init, pkey_gost2001_derive);
 622                         EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost01_paramgen);
 623                         break;
 624                 case NID_id_Gost28147_89_MAC:
 625                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_mac_ctrl, pkey_gost_mac_ctrl_str);
 626                         EVP_PKEY_meth_set_signctx(*pmeth,pkey_gost_mac_signctx_init, pkey_gost_mac_signctx);
 627                         EVP_PKEY_meth_set_keygen(*pmeth,NULL, pkey_gost_mac_keygen);
 628                         EVP_PKEY_meth_set_init(*pmeth,pkey_gost_mac_init);
 629                         EVP_PKEY_meth_set_cleanup(*pmeth,pkey_gost_mac_cleanup);
 630                         EVP_PKEY_meth_set_copy(*pmeth,pkey_gost_mac_copy);
 631                         return 1;
 632                 default: /*Unsupported method*/
 633                         return 0;
 634                 }
 635         EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
 636         EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);
 637
 638         EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
 639         /*FIXME derive etc...*/
 640
 641         return 1;
 642         }
 643