1 /*
2 * Copyright 1999-2026 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /*
11 * HMAC low level APIs are deprecated for public use, but still ok for internal
12 * use.
13 */
14 #include "internal/deprecated.h"
15
16 #include <stdio.h>
17 #include "internal/cryptlib.h"
18 #include "crypto/evp.h"
19 #include <openssl/crypto.h>
20 #include <openssl/hmac.h>
21 #include <openssl/rand.h>
22 #include <openssl/pkcs12.h>
23 #include "p12_local.h"
24
25 static int pkcs12_pbmac1_pbkdf2_key_gen(const char *pass, int passlen,
26 unsigned char *salt, int saltlen,
27 int id, int iter, int keylen,
28 unsigned char *out,
29 const EVP_MD *md_type);
30
PKCS12_mac_present(const PKCS12 * p12)31 int PKCS12_mac_present(const PKCS12 *p12)
32 {
33 return p12->mac ? 1 : 0;
34 }
35
PKCS12_get0_mac(const ASN1_OCTET_STRING ** pmac,const X509_ALGOR ** pmacalg,const ASN1_OCTET_STRING ** psalt,const ASN1_INTEGER ** piter,const PKCS12 * p12)36 void PKCS12_get0_mac(const ASN1_OCTET_STRING **pmac,
37 const X509_ALGOR **pmacalg,
38 const ASN1_OCTET_STRING **psalt,
39 const ASN1_INTEGER **piter,
40 const PKCS12 *p12)
41 {
42 if (p12->mac) {
43 X509_SIG_get0(p12->mac->dinfo, pmacalg, pmac);
44 if (psalt)
45 *psalt = p12->mac->salt;
46 if (piter)
47 *piter = p12->mac->iter;
48 } else {
49 if (pmac)
50 *pmac = NULL;
51 if (pmacalg)
52 *pmacalg = NULL;
53 if (psalt)
54 *psalt = NULL;
55 if (piter)
56 *piter = NULL;
57 }
58 }
59
60 #define TK26_MAC_KEY_LEN 32
61
pkcs12_gen_gost_mac_key(const char * pass,int passlen,const unsigned char * salt,int saltlen,int iter,int keylen,unsigned char * key,const EVP_MD * digest)62 static int pkcs12_gen_gost_mac_key(const char *pass, int passlen,
63 const unsigned char *salt, int saltlen,
64 int iter, int keylen, unsigned char *key,
65 const EVP_MD *digest)
66 {
67 unsigned char out[96];
68
69 if (keylen != TK26_MAC_KEY_LEN) {
70 return 0;
71 }
72
73 if (!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter,
74 digest, sizeof(out), out)) {
75 return 0;
76 }
77 memcpy(key, out + sizeof(out) - TK26_MAC_KEY_LEN, TK26_MAC_KEY_LEN);
78 OPENSSL_cleanse(out, sizeof(out));
79 return 1;
80 }
81
PBMAC1_get1_pbkdf2_param(const X509_ALGOR * macalg)82 PBKDF2PARAM *PBMAC1_get1_pbkdf2_param(const X509_ALGOR *macalg)
83 {
84 PBMAC1PARAM *param = NULL;
85 PBKDF2PARAM *pbkdf2_param = NULL;
86 const ASN1_OBJECT *kdf_oid;
87
88 param = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBMAC1PARAM), macalg->parameter);
89 if (param == NULL) {
90 ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_INVALID_ARGUMENT);
91 return NULL;
92 }
93
94 X509_ALGOR_get0(&kdf_oid, NULL, NULL, param->keyDerivationFunc);
95 if (OBJ_obj2nid(kdf_oid) != NID_id_pbkdf2) {
96 ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_INVALID_ARGUMENT);
97 PBMAC1PARAM_free(param);
98 return NULL;
99 }
100
101 pbkdf2_param = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBKDF2PARAM),
102 param->keyDerivationFunc->parameter);
103 PBMAC1PARAM_free(param);
104
105 return pbkdf2_param;
106 }
107
PBMAC1_PBKDF2_HMAC(OSSL_LIB_CTX * ctx,const char * propq,const char * pass,int passlen,const X509_ALGOR * macalg,unsigned char * key)108 static int PBMAC1_PBKDF2_HMAC(OSSL_LIB_CTX *ctx, const char *propq,
109 const char *pass, int passlen,
110 const X509_ALGOR *macalg, unsigned char *key)
111 {
112 PBKDF2PARAM *pbkdf2_param = NULL;
113 const ASN1_OBJECT *kdf_hmac_oid;
114 int kdf_hmac_nid;
115 int ret = -1;
116 int keylen = 0;
117 EVP_MD *kdf_md = NULL;
118 const ASN1_OCTET_STRING *pbkdf2_salt = NULL;
119
120 pbkdf2_param = PBMAC1_get1_pbkdf2_param(macalg);
121 if (pbkdf2_param == NULL) {
122 ERR_raise(ERR_LIB_PKCS12, ERR_R_UNSUPPORTED);
123 goto err;
124 }
125
126 if (pbkdf2_param->prf == NULL) {
127 kdf_hmac_nid = NID_hmacWithSHA1;
128 } else {
129 X509_ALGOR_get0(&kdf_hmac_oid, NULL, NULL, pbkdf2_param->prf);
130 kdf_hmac_nid = OBJ_obj2nid(kdf_hmac_oid);
131 }
132
133 kdf_md = EVP_MD_fetch(ctx, OBJ_nid2sn(ossl_hmac2mdnid(kdf_hmac_nid)), propq);
134 if (kdf_md == NULL) {
135 ERR_raise(ERR_LIB_PKCS12, ERR_R_FETCH_FAILED);
136 goto err;
137 }
138
139 /* Validate salt is an OCTET STRING choice */
140 if (pbkdf2_param->salt == NULL
141 || pbkdf2_param->salt->type != V_ASN1_OCTET_STRING) {
142 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_PARSE_ERROR);
143 goto err;
144 }
145 pbkdf2_salt = pbkdf2_param->salt->value.octet_string;
146
147 /* RFC 9579 specifies missing key length as invalid */
148 if (pbkdf2_param->keylength != NULL)
149 keylen = ASN1_INTEGER_get(pbkdf2_param->keylength);
150 if (keylen <= 0 || keylen > EVP_MAX_MD_SIZE) {
151 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_PARSE_ERROR);
152 goto err;
153 }
154
155 if (PKCS5_PBKDF2_HMAC(pass, passlen, pbkdf2_salt->data, pbkdf2_salt->length,
156 ASN1_INTEGER_get(pbkdf2_param->iter), kdf_md, keylen, key)
157 <= 0) {
158 ERR_raise(ERR_LIB_PKCS12, ERR_R_INTERNAL_ERROR);
159 goto err;
160 }
161 ret = keylen;
162
163 err:
164 EVP_MD_free(kdf_md);
165 PBKDF2PARAM_free(pbkdf2_param);
166
167 return ret;
168 }
169
170 /* Generate a MAC, also used for verification */
pkcs12_gen_mac(PKCS12 * p12,const char * pass,int passlen,unsigned char * mac,unsigned int * maclen,int pbmac1_md_nid,int pbmac1_kdf_nid,int (* pkcs12_key_gen)(const char * pass,int passlen,unsigned char * salt,int slen,int id,int iter,int n,unsigned char * out,const EVP_MD * md_type))171 static int pkcs12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
172 unsigned char *mac, unsigned int *maclen,
173 int pbmac1_md_nid, int pbmac1_kdf_nid,
174 int (*pkcs12_key_gen)(const char *pass, int passlen,
175 unsigned char *salt, int slen,
176 int id, int iter, int n,
177 unsigned char *out,
178 const EVP_MD *md_type))
179 {
180 int ret = 0;
181 const EVP_MD *md;
182 EVP_MD *md_fetch;
183 HMAC_CTX *hmac = NULL;
184 unsigned char key[EVP_MAX_MD_SIZE], *salt;
185 int saltlen, iter;
186 char md_name[80];
187 int keylen = 0;
188 int md_nid = NID_undef;
189 const X509_ALGOR *macalg;
190 const ASN1_OBJECT *macoid;
191
192 if (!PKCS7_type_is_data(p12->authsafes)) {
193 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CONTENT_TYPE_NOT_DATA);
194 return 0;
195 }
196
197 if (p12->authsafes->d.data == NULL) {
198 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
199 return 0;
200 }
201
202 salt = p12->mac->salt->data;
203 saltlen = p12->mac->salt->length;
204 if (p12->mac->iter == NULL)
205 iter = 1;
206 else
207 iter = ASN1_INTEGER_get(p12->mac->iter);
208 X509_SIG_get0(p12->mac->dinfo, &macalg, NULL);
209 X509_ALGOR_get0(&macoid, NULL, NULL, macalg);
210 if (OBJ_obj2nid(macoid) == NID_pbmac1) {
211 if (OBJ_obj2txt(md_name, sizeof(md_name), OBJ_nid2obj(pbmac1_md_nid), 0) < 0)
212 return 0;
213 } else {
214 if (OBJ_obj2txt(md_name, sizeof(md_name), macoid, 0) < 0)
215 return 0;
216 }
217 (void)ERR_set_mark();
218 md = md_fetch = EVP_MD_fetch(p12->authsafes->ctx.libctx, md_name,
219 p12->authsafes->ctx.propq);
220 if (md == NULL)
221 md = EVP_get_digestbynid(OBJ_obj2nid(macoid));
222
223 if (md == NULL) {
224 (void)ERR_clear_last_mark();
225 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_UNKNOWN_DIGEST_ALGORITHM);
226 return 0;
227 }
228 (void)ERR_pop_to_mark();
229
230 keylen = EVP_MD_get_size(md);
231 md_nid = EVP_MD_get_type(md);
232 if (keylen <= 0)
233 goto err;
234
235 /* For PBMAC1 we use a special keygen callback if not provided (e.g. on verification) */
236 if (pbmac1_md_nid != NID_undef && pkcs12_key_gen == NULL) {
237 keylen = PBMAC1_PBKDF2_HMAC(p12->authsafes->ctx.libctx, p12->authsafes->ctx.propq,
238 pass, passlen, macalg, key);
239 if (keylen < 0)
240 goto err;
241 } else if ((md_nid == NID_id_GostR3411_94
242 || md_nid == NID_id_GostR3411_2012_256
243 || md_nid == NID_id_GostR3411_2012_512)
244 && ossl_safe_getenv("LEGACY_GOST_PKCS12") == NULL) {
245 keylen = TK26_MAC_KEY_LEN;
246 if (!pkcs12_gen_gost_mac_key(pass, passlen, salt, saltlen, iter,
247 keylen, key, md)) {
248 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_KEY_GEN_ERROR);
249 goto err;
250 }
251 } else {
252 EVP_MD *hmac_md = (EVP_MD *)md;
253 int fetched = 0;
254
255 if (pbmac1_kdf_nid != NID_undef) {
256 char hmac_md_name[128];
257
258 if (OBJ_obj2txt(hmac_md_name, sizeof(hmac_md_name), OBJ_nid2obj(pbmac1_kdf_nid), 0) < 0)
259 goto err;
260 hmac_md = EVP_MD_fetch(NULL, hmac_md_name, NULL);
261 if (hmac_md == NULL)
262 goto err;
263 fetched = 1;
264 }
265 if (pkcs12_key_gen != NULL) {
266 int res = (*pkcs12_key_gen)(pass, passlen, salt, saltlen, PKCS12_MAC_ID,
267 iter, keylen, key, hmac_md);
268
269 if (fetched)
270 EVP_MD_free(hmac_md);
271 if (res != 1) {
272 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_KEY_GEN_ERROR);
273 goto err;
274 }
275 } else {
276 if (fetched)
277 EVP_MD_free(hmac_md);
278 /* Default to UTF-8 password */
279 if (!PKCS12_key_gen_utf8_ex(pass, passlen, salt, saltlen, PKCS12_MAC_ID,
280 iter, keylen, key, md,
281 p12->authsafes->ctx.libctx, p12->authsafes->ctx.propq)) {
282 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_KEY_GEN_ERROR);
283 goto err;
284 }
285 }
286 }
287 if ((hmac = HMAC_CTX_new()) == NULL
288 || !HMAC_Init_ex(hmac, key, keylen, md, NULL)
289 || !HMAC_Update(hmac, p12->authsafes->d.data->data,
290 p12->authsafes->d.data->length)
291 || !HMAC_Final(hmac, mac, maclen)) {
292 goto err;
293 }
294 ret = 1;
295
296 err:
297 OPENSSL_cleanse(key, sizeof(key));
298 HMAC_CTX_free(hmac);
299 EVP_MD_free(md_fetch);
300 return ret;
301 }
302
PKCS12_gen_mac(PKCS12 * p12,const char * pass,int passlen,unsigned char * mac,unsigned int * maclen)303 int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
304 unsigned char *mac, unsigned int *maclen)
305 {
306 return pkcs12_gen_mac(p12, pass, passlen, mac, maclen, NID_undef, NID_undef, NULL);
307 }
308
309 /* Verify the mac */
PKCS12_verify_mac(PKCS12 * p12,const char * pass,int passlen)310 int PKCS12_verify_mac(PKCS12 *p12, const char *pass, int passlen)
311 {
312 unsigned char mac[EVP_MAX_MD_SIZE];
313 unsigned int maclen;
314 const ASN1_OCTET_STRING *macoct;
315 const X509_ALGOR *macalg;
316 const ASN1_OBJECT *macoid;
317
318 if (p12->mac == NULL) {
319 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_ABSENT);
320 return 0;
321 }
322
323 X509_SIG_get0(p12->mac->dinfo, &macalg, NULL);
324 X509_ALGOR_get0(&macoid, NULL, NULL, macalg);
325 if (OBJ_obj2nid(macoid) == NID_pbmac1) {
326 PBMAC1PARAM *param = NULL;
327 const ASN1_OBJECT *hmac_oid;
328 int md_nid = NID_undef;
329
330 param = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBMAC1PARAM), macalg->parameter);
331 if (param == NULL) {
332 ERR_raise(ERR_LIB_PKCS12, ERR_R_UNSUPPORTED);
333 return 0;
334 }
335 X509_ALGOR_get0(&hmac_oid, NULL, NULL, param->messageAuthScheme);
336 md_nid = ossl_hmac2mdnid(OBJ_obj2nid(hmac_oid));
337
338 if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen, md_nid, NID_undef, NULL)) {
339 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_GENERATION_ERROR);
340 PBMAC1PARAM_free(param);
341 return 0;
342 }
343 PBMAC1PARAM_free(param);
344 } else {
345 if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen, NID_undef, NID_undef, NULL)) {
346 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_GENERATION_ERROR);
347 return 0;
348 }
349 }
350 X509_SIG_get0(p12->mac->dinfo, NULL, &macoct);
351 if ((maclen != (unsigned int)ASN1_STRING_length(macoct))
352 || CRYPTO_memcmp(mac, ASN1_STRING_get0_data(macoct), maclen) != 0)
353 return 0;
354
355 return 1;
356 }
357
358 /* Set a mac */
PKCS12_set_mac(PKCS12 * p12,const char * pass,int passlen,unsigned char * salt,int saltlen,int iter,const EVP_MD * md_type)359 int PKCS12_set_mac(PKCS12 *p12, const char *pass, int passlen,
360 unsigned char *salt, int saltlen, int iter,
361 const EVP_MD *md_type)
362 {
363 unsigned char mac[EVP_MAX_MD_SIZE];
364 unsigned int maclen;
365 ASN1_OCTET_STRING *macoct;
366
367 if (md_type == NULL)
368 /* No need to do a fetch as the md_type is used only to get a NID */
369 md_type = EVP_sha256();
370 if (!iter)
371 iter = PKCS12_DEFAULT_ITER;
372 if (PKCS12_setup_mac(p12, iter, salt, saltlen, md_type) == PKCS12_ERROR) {
373 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_SETUP_ERROR);
374 return 0;
375 }
376 /*
377 * Note that output mac is forced to UTF-8...
378 */
379 if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen, NID_undef, NID_undef, NULL)) {
380 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_GENERATION_ERROR);
381 return 0;
382 }
383 X509_SIG_getm(p12->mac->dinfo, NULL, &macoct);
384 if (!ASN1_OCTET_STRING_set(macoct, mac, maclen)) {
385 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_STRING_SET_ERROR);
386 return 0;
387 }
388 return 1;
389 }
390
pkcs12_pbmac1_pbkdf2_key_gen(const char * pass,int passlen,unsigned char * salt,int saltlen,int id,int iter,int keylen,unsigned char * out,const EVP_MD * md_type)391 static int pkcs12_pbmac1_pbkdf2_key_gen(const char *pass, int passlen,
392 unsigned char *salt, int saltlen,
393 int id, int iter, int keylen,
394 unsigned char *out,
395 const EVP_MD *md_type)
396 {
397 return PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter,
398 md_type, keylen, out);
399 }
400
pkcs12_setup_mac(PKCS12 * p12,int iter,unsigned char * salt,int saltlen,int nid)401 static int pkcs12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen,
402 int nid)
403 {
404 X509_ALGOR *macalg;
405
406 PKCS12_MAC_DATA_free(p12->mac);
407 p12->mac = NULL;
408
409 if ((p12->mac = PKCS12_MAC_DATA_new()) == NULL)
410 return PKCS12_ERROR;
411 if (iter > 1) {
412 if ((p12->mac->iter = ASN1_INTEGER_new()) == NULL) {
413 ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
414 return 0;
415 }
416 if (!ASN1_INTEGER_set(p12->mac->iter, iter)) {
417 ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
418 return 0;
419 }
420 }
421 if (saltlen == 0)
422 saltlen = PKCS12_SALT_LEN;
423 else if (saltlen < 0)
424 return 0;
425 if ((p12->mac->salt->data = OPENSSL_malloc(saltlen)) == NULL)
426 return 0;
427 p12->mac->salt->length = saltlen;
428 if (salt == NULL) {
429 if (RAND_bytes_ex(p12->authsafes->ctx.libctx, p12->mac->salt->data,
430 (size_t)saltlen, 0)
431 <= 0)
432 return 0;
433 } else {
434 memcpy(p12->mac->salt->data, salt, saltlen);
435 }
436 X509_SIG_getm(p12->mac->dinfo, &macalg, NULL);
437 if (!X509_ALGOR_set0(macalg, OBJ_nid2obj(nid), V_ASN1_NULL, NULL)) {
438 ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
439 return 0;
440 }
441
442 return 1;
443 }
444
445 /* Set up a mac structure */
PKCS12_setup_mac(PKCS12 * p12,int iter,unsigned char * salt,int saltlen,const EVP_MD * md_type)446 int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen,
447 const EVP_MD *md_type)
448 {
449 return pkcs12_setup_mac(p12, iter, salt, saltlen, EVP_MD_get_type(md_type));
450 }
451
PKCS12_set_pbmac1_pbkdf2(PKCS12 * p12,const char * pass,int passlen,unsigned char * salt,int saltlen,int iter,const EVP_MD * md_type,const char * prf_md_name)452 int PKCS12_set_pbmac1_pbkdf2(PKCS12 *p12, const char *pass, int passlen,
453 unsigned char *salt, int saltlen, int iter,
454 const EVP_MD *md_type, const char *prf_md_name)
455 {
456 unsigned char mac[EVP_MAX_MD_SIZE];
457 unsigned int maclen;
458 ASN1_OCTET_STRING *macoct;
459 X509_ALGOR *alg = NULL;
460 int ret = 0;
461 int prf_md_nid = NID_undef, prf_nid = NID_undef, hmac_nid;
462 unsigned char *known_salt = NULL;
463 int keylen = 0;
464 PBMAC1PARAM *param = NULL;
465 X509_ALGOR *hmac_alg = NULL, *macalg = NULL;
466
467 if (md_type == NULL)
468 /* No need to do a fetch as the md_type is used only to get a NID */
469 md_type = EVP_sha256();
470
471 if (prf_md_name == NULL)
472 prf_md_nid = EVP_MD_get_type(md_type);
473 else
474 prf_md_nid = OBJ_txt2nid(prf_md_name);
475
476 if (iter == 0)
477 iter = PKCS12_DEFAULT_ITER;
478
479 keylen = EVP_MD_get_size(md_type);
480
481 prf_nid = ossl_md2hmacnid(prf_md_nid);
482 hmac_nid = ossl_md2hmacnid(EVP_MD_get_type(md_type));
483
484 if (prf_nid == NID_undef || hmac_nid == NID_undef) {
485 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_UNKNOWN_DIGEST_ALGORITHM);
486 goto err;
487 }
488
489 if (salt == NULL) {
490 known_salt = OPENSSL_malloc(saltlen);
491 if (known_salt == NULL)
492 goto err;
493
494 if (RAND_bytes_ex(NULL, known_salt, saltlen, 0) <= 0) {
495 ERR_raise(ERR_LIB_PKCS12, ERR_R_RAND_LIB);
496 goto err;
497 }
498 }
499
500 param = PBMAC1PARAM_new();
501 hmac_alg = X509_ALGOR_new();
502 alg = PKCS5_pbkdf2_set(iter, salt ? salt : known_salt, saltlen, prf_nid, keylen);
503 if (param == NULL || hmac_alg == NULL || alg == NULL)
504 goto err;
505
506 if (pkcs12_setup_mac(p12, iter, salt ? salt : known_salt, saltlen,
507 NID_pbmac1)
508 == PKCS12_ERROR) {
509 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_SETUP_ERROR);
510 goto err;
511 }
512
513 if (!X509_ALGOR_set0(hmac_alg, OBJ_nid2obj(hmac_nid), V_ASN1_NULL, NULL)) {
514 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_SETUP_ERROR);
515 goto err;
516 }
517
518 X509_ALGOR_free(param->keyDerivationFunc);
519 X509_ALGOR_free(param->messageAuthScheme);
520 param->keyDerivationFunc = alg;
521 param->messageAuthScheme = hmac_alg;
522
523 X509_SIG_getm(p12->mac->dinfo, &macalg, &macoct);
524 if (!ASN1_TYPE_pack_sequence(ASN1_ITEM_rptr(PBMAC1PARAM), param, &macalg->parameter))
525 goto err;
526
527 /*
528 * Note that output mac is forced to UTF-8...
529 */
530 if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen,
531 EVP_MD_get_type(md_type), prf_md_nid,
532 pkcs12_pbmac1_pbkdf2_key_gen)) {
533 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_GENERATION_ERROR);
534 goto err;
535 }
536 if (!ASN1_OCTET_STRING_set(macoct, mac, maclen)) {
537 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_STRING_SET_ERROR);
538 goto err;
539 }
540 ret = 1;
541
542 err:
543 PBMAC1PARAM_free(param);
544 OPENSSL_free(known_salt);
545 return ret;
546 }
547