Import OpenSSL-1.0.0f.
[dragonfly.git] / crypto / openssl / 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_PKCS7_ENCRYPT:
90                 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
91                 case EVP_PKEY_CTRL_PKCS7_SIGN:
92                         return 1;
93
94                 case EVP_PKEY_CTRL_GOST_PARAMSET:
95                         pctx->sign_param_nid = (int)p1;
96                         return 1;
97                 case EVP_PKEY_CTRL_SET_IV:
98                         pctx->shared_ukm=OPENSSL_malloc((int)p1);
99                         memcpy(pctx->shared_ukm,p2,(int) p1);
100                         return 1;
101                 case EVP_PKEY_CTRL_PEER_KEY:
102                         if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
103                                 return 1;
104                         if (p1 == 2)            /* TLS: peer key used? */
105                                 return pctx->peer_key_used;
106                         if (p1 == 3)            /* TLS: peer key used! */
107                                 return (pctx->peer_key_used = 1);
108                         return -2;
109                 }
110         return -2;
111         }
112
113
114 static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
115         const char *type, const char *value)
116         {
117         int param_nid=0;
118         if(!strcmp(type, param_ctrl_string))
119                 {
120                 if (!value)
121                         {
122                         return 0;
123                         }
124                 if (strlen(value) == 1)
125                         {
126                         switch(toupper(value[0]))
127                                 {
128                                 case 'A':
129                                         param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
130                                         break;
131                                 case 'B':
132                                         param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
133                                         break;
134                                 case 'C':
135                                         param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
136                                         break;
137                                 case 'D':
138                                         param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
139                                         break;
140                                 default:
141                                         return 0;
142                                         break;
143                                 }
144                         }
145                 else if ((strlen(value) == 2) && (toupper(value[0]) == 'X'))
146                         {
147                         switch (toupper(value[1]))
148                                 {
149                                 case 'A':
150                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
151                                         break;
152                                 case 'B':
153                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
154                                         break;
155                                 case 'C':
156                                         param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
157                                         break;
158                                 default:
159                                         return 0;
160                                         break;
161                                 }
162                         }
163                 else
164                         {
165                         R3410_params *p = R3410_paramset;
166                         param_nid = OBJ_txt2nid(value);
167                         if (param_nid == NID_undef)
168                                 {
169                                 return 0;
170                                 }
171                         for (;p->nid != NID_undef;p++)
172                                 {
173                                 if (p->nid == param_nid) break;
174                                 }
175                         if (p->nid == NID_undef)
176                                 {
177                                 GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR,
178                                         GOST_R_INVALID_PARAMSET);
179                                 return 0;
180                                 }
181                         }
182
183                 return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
184                         param_nid, NULL);
185                 }
186         return -2;
187         }
188
189 static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
190         const char *type, const char *value)
191         {
192         int param_nid=0;
193         if(!strcmp(type, param_ctrl_string))
194                 {
195                 if (!value)
196                         {
197                         return 0;
198                         }
199                 if (strlen(value) == 1)
200                         {
201                         switch(toupper(value[0]))
202                                 {
203                                 case 'A':
204                                         param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
205                                         break;  
206                                 case 'B':
207                                         param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
208                                         break;
209                                 case 'C':
210                                         param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
211                                         break;
212                                 case '0':
213                                         param_nid = NID_id_GostR3410_2001_TestParamSet;
214                                         break;
215                                 default:
216                                         return 0;
217                                         break;
218                                 }
219                         }
220                 else if ((strlen(value) == 2) && (toupper(value[0]) == 'X'))
221                         {
222                         switch (toupper(value[1]))
223                                 {
224                                 case 'A':
225                                         param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
226                                         break;
227                                 case 'B':
228                                         param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
229                                         break;
230                                 default:
231                                         return 0;
232                                         break;
233                                 }
234                         }
235                 else
236                         {
237                         R3410_2001_params *p = R3410_2001_paramset;
238                         param_nid = OBJ_txt2nid(value);
239                         if (param_nid == NID_undef)
240                                 {
241                                 return 0;
242                                 }
243                         for (;p->nid != NID_undef;p++)
244                                 {
245                                 if (p->nid == param_nid) break;
246                                 }
247                         if (p->nid == NID_undef)
248                                 {
249                                 GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR,
250                                         GOST_R_INVALID_PARAMSET);
251                                 return 0;
252                                 }
253                         }
254
255                 return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
256                         param_nid, NULL);
257                 }
258         return -2;
259         }
260
261 /* --------------------- key generation  --------------------------------*/
262
263 static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx) {
264         return 1;
265 }       
266 static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) 
267         {
268         struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
269         DSA *dsa=NULL;
270         if (data->sign_param_nid == NID_undef)
271                 {
272                         GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN,
273                                 GOST_R_NO_PARAMETERS_SET);
274                         return 0;
275                 }
276         dsa = DSA_new();
277         if (!fill_GOST94_params(dsa,data->sign_param_nid))
278                 {
279                 DSA_free(dsa);
280                 return 0;
281                 }
282         EVP_PKEY_assign(pkey,NID_id_GostR3410_94,dsa);
283         return 1;
284         }
285 static int pkey_gost01_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
286         {
287         struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
288         EC_KEY *ec=NULL;
289
290         if (data->sign_param_nid == NID_undef)
291                 {
292                         GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN,
293                                 GOST_R_NO_PARAMETERS_SET);
294                         return 0;
295                 }
296         if (!ec)        
297                 ec = EC_KEY_new();
298         if (!fill_GOST2001_params(ec,data->sign_param_nid))
299                 {
300                 EC_KEY_free(ec);
301                 return 0;
302                 }
303         EVP_PKEY_assign(pkey,NID_id_GostR3410_2001,ec);
304         return 1;
305         }
306
307 /* Generates Gost_R3410_94_cp key */
308 static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
309         {
310         DSA *dsa;
311         if (!pkey_gost94_paramgen(ctx,pkey)) return 0;
312         dsa = EVP_PKEY_get0(pkey);
313         gost_sign_keygen(dsa);
314         return 1;
315         }
316
317 /* Generates GOST_R3410 2001 key and assigns it using specified type */
318 static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
319         {
320         EC_KEY *ec;
321     if (!pkey_gost01_paramgen(ctx,pkey)) return 0;
322         ec = EVP_PKEY_get0(pkey);
323         gost2001_keygen(ec);
324         return 1;
325         }
326
327
328
329 /* ----------- sign callbacks --------------------------------------*/
330
331 static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
332         const unsigned char *tbs, size_t tbs_len)
333         {
334         DSA_SIG *unpacked_sig=NULL;
335         EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
336         if (!siglen) return 0;
337         if (!sig)
338                 {
339                 *siglen= 64; /* better to check size of pkey->pkey.dsa-q */
340                 return 1;
341                 }       
342         unpacked_sig = gost_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
343         if (!unpacked_sig)
344                 {
345                 return 0;
346                 }
347         return pack_sign_cp(unpacked_sig,32,sig,siglen);
348         }
349
350 static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
351         const unsigned char *tbs, size_t tbs_len)
352         {
353         DSA_SIG *unpacked_sig=NULL;
354         EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
355         if (!siglen) return 0;
356         if (!sig)
357                 {
358                 *siglen= 64; /* better to check size of curve order*/
359                 return 1;
360                 }       
361         unpacked_sig = gost2001_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
362         if (!unpacked_sig)
363                 {
364                 return 0;
365                 }
366         return pack_sign_cp(unpacked_sig,32,sig,siglen);
367         }
368
369 /* ------------------- verify callbacks ---------------------------*/
370
371 static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
372         size_t siglen, const unsigned char *tbs, size_t tbs_len)
373         {
374         int ok = 0;
375         EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
376         DSA_SIG *s=unpack_cp_signature(sig,siglen);
377         if (!s) return 0;
378         if (pub_key) ok = gost_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
379         DSA_SIG_free(s);
380         return ok;
381         }
382
383
384 static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
385         size_t siglen, const unsigned char *tbs, size_t tbs_len)
386         {
387         int ok = 0;
388         EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
389         DSA_SIG *s=unpack_cp_signature(sig,siglen);
390         if (!s) return 0;
391 #ifdef DEBUG_SIGN       
392         fprintf(stderr,"R=");
393         BN_print_fp(stderr,s->r);
394         fprintf(stderr,"\nS=");
395         BN_print_fp(stderr,s->s);
396         fprintf(stderr,"\n");
397 #endif  
398         if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
399         DSA_SIG_free(s);
400         return ok;
401         }
402
403 /* ------------- encrypt init -------------------------------------*/
404 /* Generates ephermeral key */
405 static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
406         {
407         return 1;
408         }
409 /* --------------- Derive init ------------------------------------*/
410 static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
411 {
412         return 1;
413 }
414 /* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
415 static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
416         {
417         struct gost_mac_pmeth_data *data;
418         data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
419         if (!data) return 0;
420         memset(data,0,sizeof(struct gost_mac_pmeth_data));
421         EVP_PKEY_CTX_set_data(ctx,data);
422         return 1;
423         }       
424 static void pkey_gost_mac_cleanup (EVP_PKEY_CTX *ctx)
425         {
426         struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
427         OPENSSL_free(data);
428         }       
429 static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
430         {
431         struct gost_mac_pmeth_data *dst_data,*src_data;
432         if (!pkey_gost_mac_init(dst))
433                 {
434                 return 0;
435                 }
436         src_data = EVP_PKEY_CTX_get_data(src);
437         dst_data = EVP_PKEY_CTX_get_data(dst);
438         *dst_data = *src_data;
439         return 1;
440         }
441         
442 static int pkey_gost_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
443         {
444         struct gost_mac_pmeth_data *data =
445 (struct gost_mac_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
446
447         switch (type)
448                 {
449                 case EVP_PKEY_CTRL_MD:
450                 {
451                 if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC)
452                         {
453                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_DIGEST_TYPE);
454                         return 0;
455                         }
456                 data->md = (EVP_MD *)p2;
457                 return 1;
458                 }
459                 break;
460
461                 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
462                 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
463                 case EVP_PKEY_CTRL_PKCS7_SIGN:
464                         return 1;
465                 case EVP_PKEY_CTRL_SET_MAC_KEY:
466                         if (p1 != 32) 
467                                 {
468                                 GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
469                                         GOST_R_INVALID_MAC_KEY_LENGTH);
470                                 return 0;
471                                 }
472
473                         memcpy(data->key,p2,32);
474                         data->key_set = 1;
475                         return 1;
476                 case EVP_PKEY_CTRL_DIGESTINIT:
477                         { 
478                         EVP_MD_CTX *mctx = p2;
479                         void *key;
480                         if (!data->key_set)
481                                 { 
482                                 EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
483                                 if (!pkey) 
484                                         {
485                                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
486                                         return 0;
487                                         }
488                                 key = EVP_PKEY_get0(pkey);
489                                 if (!key) 
490                                         {
491                                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
492                                         return 0;
493                                         }
494                                 } else {
495                                 key = &(data->key);
496                                 }
497                         return mctx->digest->md_ctrl(mctx,EVP_MD_CTRL_SET_KEY,32,key);
498                         }  
499                 }       
500         return -2;
501         }
502 static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
503         const char *type, const char *value)
504         {
505         if (!strcmp(type, key_ctrl_string)) 
506                 {
507                 if (strlen(value)!=32) 
508                         {
509                         GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
510                                 GOST_R_INVALID_MAC_KEY_LENGTH);
511                         return 0;       
512                         }
513                 return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
514                         32,(char *)value);
515                 }
516         if (!strcmp(type, hexkey_ctrl_string)) 
517                 {
518                         long keylen; int ret;
519                         unsigned char *keybuf=string_to_hex(value,&keylen);
520                         if (keylen != 32) 
521                                 {
522                                 GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
523                                         GOST_R_INVALID_MAC_KEY_LENGTH);
524                                 return 0;       
525                                 }
526                         ret= pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
527                                 32,keybuf);
528                         OPENSSL_free(keybuf);
529                         return ret;
530         
531                 }
532         return -2;
533         }       
534
535 static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
536         {
537                 struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
538                 unsigned char *keydata;
539                 if (!data->key_set) 
540                 {
541                         GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN,GOST_R_MAC_KEY_NOT_SET);
542                         return 0;
543                 }
544                 keydata = OPENSSL_malloc(32);
545                 memcpy(keydata,data->key,32);
546                 EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
547                 return 1;
548         }
549
550 static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
551         {
552         return 1;
553 }
554
555 static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, EVP_MD_CTX *mctx)
556         {
557                 unsigned int tmpsiglen=*siglen; /* for platforms where sizeof(int)!=sizeof(size_t)*/
558                 int ret;
559                 if (!sig) 
560                         {
561                         *siglen = 4;
562                         return 1;
563                         }
564                 ret=EVP_DigestFinal_ex(mctx,sig,&tmpsiglen);
565                 *siglen = tmpsiglen;
566                 return ret;
567         }
568 /* ----------------------------------------------------------------*/
569 int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth,int flags)
570         {
571         *pmeth = EVP_PKEY_meth_new(id, flags);
572         if (!*pmeth) return 0;
573
574         switch (id)
575                 {
576                 case NID_id_GostR3410_94:
577                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl94_str);
578                         EVP_PKEY_meth_set_keygen(*pmeth,NULL,pkey_gost94cp_keygen);
579                         EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
580                         EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
581                         EVP_PKEY_meth_set_encrypt(*pmeth,
582                                 pkey_gost_encrypt_init, pkey_GOST94cp_encrypt);
583                         EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
584                         EVP_PKEY_meth_set_derive(*pmeth,
585                                 pkey_gost_derive_init, pkey_gost94_derive);
586                         EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost94_paramgen);       
587                         break;
588                 case NID_id_GostR3410_2001:
589                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl01_str);
590                         EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
591                         EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
592
593                         EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
594
595                         EVP_PKEY_meth_set_encrypt(*pmeth,
596                                 pkey_gost_encrypt_init, pkey_GOST01cp_encrypt);
597                         EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
598                         EVP_PKEY_meth_set_derive(*pmeth,
599                                 pkey_gost_derive_init, pkey_gost2001_derive);
600                         EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost01_paramgen);       
601                         break;
602                 case NID_id_Gost28147_89_MAC:
603                         EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_mac_ctrl, pkey_gost_mac_ctrl_str);
604                         EVP_PKEY_meth_set_signctx(*pmeth,pkey_gost_mac_signctx_init, pkey_gost_mac_signctx);
605                         EVP_PKEY_meth_set_keygen(*pmeth,NULL, pkey_gost_mac_keygen);
606                         EVP_PKEY_meth_set_init(*pmeth,pkey_gost_mac_init);
607                         EVP_PKEY_meth_set_cleanup(*pmeth,pkey_gost_mac_cleanup);
608                         EVP_PKEY_meth_set_copy(*pmeth,pkey_gost_mac_copy);
609                         return 1;
610                 default: /*Unsupported method*/
611                         return 0;
612                 }
613         EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
614         EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);
615
616         EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
617         /*FIXME derive etc...*/
618         
619         return 1;
620         }
621