]> git.ipfire.org Git - thirdparty/openssl.git/blob - engines/ccgost/gost_pmeth.c
Add control to retrieve signature MD.
[thirdparty/openssl.git] / 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