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Diffstat (limited to 'src/lib/libcrypto/pkcs7/pk7_doit.c')
-rw-r--r--src/lib/libcrypto/pkcs7/pk7_doit.c354
1 files changed, 244 insertions, 110 deletions
diff --git a/src/lib/libcrypto/pkcs7/pk7_doit.c b/src/lib/libcrypto/pkcs7/pk7_doit.c
index 4ac29ae14d..a03d7ebedf 100644
--- a/src/lib/libcrypto/pkcs7/pk7_doit.c
+++ b/src/lib/libcrypto/pkcs7/pk7_doit.c
@@ -62,6 +62,7 @@
62#include <openssl/objects.h> 62#include <openssl/objects.h>
63#include <openssl/x509.h> 63#include <openssl/x509.h>
64#include <openssl/x509v3.h> 64#include <openssl/x509v3.h>
65#include <openssl/err.h>
65 66
66static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype, 67static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
67 void *value); 68 void *value);
@@ -101,18 +102,54 @@ static ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7)
101 return NULL; 102 return NULL;
102 } 103 }
103 104
105static int PKCS7_bio_add_digest(BIO **pbio, X509_ALGOR *alg)
106 {
107 BIO *btmp;
108 const EVP_MD *md;
109 if ((btmp=BIO_new(BIO_f_md())) == NULL)
110 {
111 PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,ERR_R_BIO_LIB);
112 goto err;
113 }
114
115 md=EVP_get_digestbyobj(alg->algorithm);
116 if (md == NULL)
117 {
118 PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,PKCS7_R_UNKNOWN_DIGEST_TYPE);
119 goto err;
120 }
121
122 BIO_set_md(btmp,md);
123 if (*pbio == NULL)
124 *pbio=btmp;
125 else if (!BIO_push(*pbio,btmp))
126 {
127 PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,ERR_R_BIO_LIB);
128 goto err;
129 }
130 btmp=NULL;
131
132 return 1;
133
134 err:
135 if (btmp)
136 BIO_free(btmp);
137 return 0;
138
139 }
140
104BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio) 141BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
105 { 142 {
106 int i; 143 int i;
107 BIO *out=NULL,*btmp=NULL; 144 BIO *out=NULL,*btmp=NULL;
108 X509_ALGOR *xa; 145 X509_ALGOR *xa = NULL;
109 const EVP_MD *evp_md;
110 const EVP_CIPHER *evp_cipher=NULL; 146 const EVP_CIPHER *evp_cipher=NULL;
111 STACK_OF(X509_ALGOR) *md_sk=NULL; 147 STACK_OF(X509_ALGOR) *md_sk=NULL;
112 STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL; 148 STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL;
113 X509_ALGOR *xalg=NULL; 149 X509_ALGOR *xalg=NULL;
114 PKCS7_RECIP_INFO *ri=NULL; 150 PKCS7_RECIP_INFO *ri=NULL;
115 EVP_PKEY *pkey; 151 EVP_PKEY *pkey;
152 ASN1_OCTET_STRING *os=NULL;
116 153
117 i=OBJ_obj2nid(p7->type); 154 i=OBJ_obj2nid(p7->type);
118 p7->state=PKCS7_S_HEADER; 155 p7->state=PKCS7_S_HEADER;
@@ -121,6 +158,7 @@ BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
121 { 158 {
122 case NID_pkcs7_signed: 159 case NID_pkcs7_signed:
123 md_sk=p7->d.sign->md_algs; 160 md_sk=p7->d.sign->md_algs;
161 os = PKCS7_get_octet_string(p7->d.sign->contents);
124 break; 162 break;
125 case NID_pkcs7_signedAndEnveloped: 163 case NID_pkcs7_signedAndEnveloped:
126 rsk=p7->d.signed_and_enveloped->recipientinfo; 164 rsk=p7->d.signed_and_enveloped->recipientinfo;
@@ -145,37 +183,21 @@ BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
145 goto err; 183 goto err;
146 } 184 }
147 break; 185 break;
186 case NID_pkcs7_digest:
187 xa = p7->d.digest->md;
188 os = PKCS7_get_octet_string(p7->d.digest->contents);
189 break;
148 default: 190 default:
149 PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE); 191 PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
150 goto err; 192 goto err;
151 } 193 }
152 194
153 if (md_sk != NULL) 195 for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
154 { 196 if (!PKCS7_bio_add_digest(&out, sk_X509_ALGOR_value(md_sk, i)))
155 for (i=0; i<sk_X509_ALGOR_num(md_sk); i++) 197 goto err;
156 {
157 xa=sk_X509_ALGOR_value(md_sk,i);
158 if ((btmp=BIO_new(BIO_f_md())) == NULL)
159 {
160 PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_BIO_LIB);
161 goto err;
162 }
163
164 evp_md=EVP_get_digestbyobj(xa->algorithm);
165 if (evp_md == NULL)
166 {
167 PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNKNOWN_DIGEST_TYPE);
168 goto err;
169 }
170 198
171 BIO_set_md(btmp,evp_md); 199 if (xa && !PKCS7_bio_add_digest(&out, xa))
172 if (out == NULL) 200 goto err;
173 out=btmp;
174 else
175 BIO_push(out,btmp);
176 btmp=NULL;
177 }
178 }
179 201
180 if (evp_cipher != NULL) 202 if (evp_cipher != NULL)
181 { 203 {
@@ -194,17 +216,25 @@ BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
194 BIO_get_cipher_ctx(btmp, &ctx); 216 BIO_get_cipher_ctx(btmp, &ctx);
195 keylen=EVP_CIPHER_key_length(evp_cipher); 217 keylen=EVP_CIPHER_key_length(evp_cipher);
196 ivlen=EVP_CIPHER_iv_length(evp_cipher); 218 ivlen=EVP_CIPHER_iv_length(evp_cipher);
197 if (RAND_bytes(key,keylen) <= 0)
198 goto err;
199 xalg->algorithm = OBJ_nid2obj(EVP_CIPHER_type(evp_cipher)); 219 xalg->algorithm = OBJ_nid2obj(EVP_CIPHER_type(evp_cipher));
200 if (ivlen > 0) RAND_pseudo_bytes(iv,ivlen); 220 if (ivlen > 0)
201 EVP_CipherInit_ex(ctx, evp_cipher, NULL, key, iv, 1); 221 if (RAND_pseudo_bytes(iv,ivlen) <= 0)
222 goto err;
223 if (EVP_CipherInit_ex(ctx, evp_cipher, NULL, NULL, NULL, 1)<=0)
224 goto err;
225 if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
226 goto err;
227 if (EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, 1) <= 0)
228 goto err;
202 229
203 if (ivlen > 0) { 230 if (ivlen > 0) {
204 if (xalg->parameter == NULL) 231 if (xalg->parameter == NULL) {
205 xalg->parameter=ASN1_TYPE_new(); 232 xalg->parameter = ASN1_TYPE_new();
233 if (xalg->parameter == NULL)
234 goto err;
235 }
206 if(EVP_CIPHER_param_to_asn1(ctx, xalg->parameter) < 0) 236 if(EVP_CIPHER_param_to_asn1(ctx, xalg->parameter) < 0)
207 goto err; 237 goto err;
208 } 238 }
209 239
210 /* Lets do the pub key stuff :-) */ 240 /* Lets do the pub key stuff :-) */
@@ -217,7 +247,8 @@ BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
217 PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_MISSING_CERIPEND_INFO); 247 PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_MISSING_CERIPEND_INFO);
218 goto err; 248 goto err;
219 } 249 }
220 pkey=X509_get_pubkey(ri->cert); 250 if ((pkey=X509_get_pubkey(ri->cert)) == NULL)
251 goto err;
221 jj=EVP_PKEY_size(pkey); 252 jj=EVP_PKEY_size(pkey);
222 EVP_PKEY_free(pkey); 253 EVP_PKEY_free(pkey);
223 if (max < jj) max=jj; 254 if (max < jj) max=jj;
@@ -230,7 +261,8 @@ BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
230 for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) 261 for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++)
231 { 262 {
232 ri=sk_PKCS7_RECIP_INFO_value(rsk,i); 263 ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
233 pkey=X509_get_pubkey(ri->cert); 264 if ((pkey=X509_get_pubkey(ri->cert)) == NULL)
265 goto err;
234 jj=EVP_PKEY_encrypt(tmp,key,keylen,pkey); 266 jj=EVP_PKEY_encrypt(tmp,key,keylen,pkey);
235 EVP_PKEY_free(pkey); 267 EVP_PKEY_free(pkey);
236 if (jj <= 0) 268 if (jj <= 0)
@@ -261,24 +293,16 @@ BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
261 { 293 {
262 if (PKCS7_is_detached(p7)) 294 if (PKCS7_is_detached(p7))
263 bio=BIO_new(BIO_s_null()); 295 bio=BIO_new(BIO_s_null());
264 else 296 else if (os && os->length > 0)
297 bio = BIO_new_mem_buf(os->data, os->length);
298 if(bio == NULL)
265 { 299 {
266 if (PKCS7_type_is_signed(p7)) 300 bio=BIO_new(BIO_s_mem());
267 { 301 if (bio == NULL)
268 ASN1_OCTET_STRING *os; 302 goto err;
269 os = PKCS7_get_octet_string( 303 BIO_set_mem_eof_return(bio,0);
270 p7->d.sign->contents);
271 if (os && os->length > 0)
272 bio = BIO_new_mem_buf(os->data,
273 os->length);
274 }
275 if(bio == NULL)
276 {
277 bio=BIO_new(BIO_s_mem());
278 BIO_set_mem_eof_return(bio,0);
279 }
280 } 304 }
281 } 305 }
282 BIO_push(out,bio); 306 BIO_push(out,bio);
283 bio=NULL; 307 bio=NULL;
284 if (0) 308 if (0)
@@ -293,6 +317,17 @@ err:
293 return(out); 317 return(out);
294 } 318 }
295 319
320static int pkcs7_cmp_ri(PKCS7_RECIP_INFO *ri, X509 *pcert)
321 {
322 int ret;
323 ret = X509_NAME_cmp(ri->issuer_and_serial->issuer,
324 pcert->cert_info->issuer);
325 if (ret)
326 return ret;
327 return M_ASN1_INTEGER_cmp(pcert->cert_info->serialNumber,
328 ri->issuer_and_serial->serial);
329 }
330
296/* int */ 331/* int */
297BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert) 332BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
298 { 333 {
@@ -403,18 +438,18 @@ BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
403 * (if any) 438 * (if any)
404 */ 439 */
405 440
406 for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) { 441 if (pcert) {
407 ri=sk_PKCS7_RECIP_INFO_value(rsk,i); 442 for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) {
408 if(!X509_NAME_cmp(ri->issuer_and_serial->issuer, 443 ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
409 pcert->cert_info->issuer) && 444 if (!pkcs7_cmp_ri(ri, pcert))
410 !M_ASN1_INTEGER_cmp(pcert->cert_info->serialNumber, 445 break;
411 ri->issuer_and_serial->serial)) break; 446 ri=NULL;
412 ri=NULL; 447 }
413 } 448 if (ri == NULL) {
414 if (ri == NULL) { 449 PKCS7err(PKCS7_F_PKCS7_DATADECODE,
415 PKCS7err(PKCS7_F_PKCS7_DATADECODE, 450 PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE);
416 PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE); 451 goto err;
417 goto err; 452 }
418 } 453 }
419 454
420 jj=EVP_PKEY_size(pkey); 455 jj=EVP_PKEY_size(pkey);
@@ -425,17 +460,46 @@ BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
425 goto err; 460 goto err;
426 } 461 }
427 462
428 jj=EVP_PKEY_decrypt(tmp, M_ASN1_STRING_data(ri->enc_key), 463 /* If we haven't got a certificate try each ri in turn */
429 M_ASN1_STRING_length(ri->enc_key), pkey); 464
430 if (jj <= 0) 465 if (pcert == NULL)
431 { 466 {
432 PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_EVP_LIB); 467 for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++)
433 goto err; 468 {
469 ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
470 jj=EVP_PKEY_decrypt(tmp,
471 M_ASN1_STRING_data(ri->enc_key),
472 M_ASN1_STRING_length(ri->enc_key),
473 pkey);
474 if (jj > 0)
475 break;
476 ERR_clear_error();
477 ri = NULL;
478 }
479 if (ri == NULL)
480 {
481 PKCS7err(PKCS7_F_PKCS7_DATADECODE,
482 PKCS7_R_NO_RECIPIENT_MATCHES_KEY);
483 goto err;
484 }
485 }
486 else
487 {
488 jj=EVP_PKEY_decrypt(tmp,
489 M_ASN1_STRING_data(ri->enc_key),
490 M_ASN1_STRING_length(ri->enc_key), pkey);
491 if (jj <= 0)
492 {
493 PKCS7err(PKCS7_F_PKCS7_DATADECODE,
494 ERR_R_EVP_LIB);
495 goto err;
496 }
434 } 497 }
435 498
436 evp_ctx=NULL; 499 evp_ctx=NULL;
437 BIO_get_cipher_ctx(etmp,&evp_ctx); 500 BIO_get_cipher_ctx(etmp,&evp_ctx);
438 EVP_CipherInit_ex(evp_ctx,evp_cipher,NULL,NULL,NULL,0); 501 if (EVP_CipherInit_ex(evp_ctx,evp_cipher,NULL,NULL,NULL,0) <= 0)
502 goto err;
439 if (EVP_CIPHER_asn1_to_param(evp_ctx,enc_alg->parameter) < 0) 503 if (EVP_CIPHER_asn1_to_param(evp_ctx,enc_alg->parameter) < 0)
440 goto err; 504 goto err;
441 505
@@ -451,7 +515,8 @@ BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
451 goto err; 515 goto err;
452 } 516 }
453 } 517 }
454 EVP_CipherInit_ex(evp_ctx,NULL,NULL,tmp,NULL,0); 518 if (EVP_CipherInit_ex(evp_ctx,NULL,NULL,tmp,NULL,0) <= 0)
519 goto err;
455 520
456 OPENSSL_cleanse(tmp,jj); 521 OPENSSL_cleanse(tmp,jj);
457 522
@@ -485,6 +550,8 @@ BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
485 bio=BIO_new(BIO_s_mem()); 550 bio=BIO_new(BIO_s_mem());
486 BIO_set_mem_eof_return(bio,0); 551 BIO_set_mem_eof_return(bio,0);
487 } 552 }
553 if (bio == NULL)
554 goto err;
488#endif 555#endif
489 } 556 }
490 BIO_push(out,bio); 557 BIO_push(out,bio);
@@ -504,6 +571,29 @@ err:
504 return(out); 571 return(out);
505 } 572 }
506 573
574static BIO *PKCS7_find_digest(EVP_MD_CTX **pmd, BIO *bio, int nid)
575 {
576 for (;;)
577 {
578 bio=BIO_find_type(bio,BIO_TYPE_MD);
579 if (bio == NULL)
580 {
581 PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
582 return NULL;
583 }
584 BIO_get_md_ctx(bio,pmd);
585 if (*pmd == NULL)
586 {
587 PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST,ERR_R_INTERNAL_ERROR);
588 return NULL;
589 }
590 if (EVP_MD_CTX_type(*pmd) == nid)
591 return bio;
592 bio=BIO_next(bio);
593 }
594 return NULL;
595 }
596
507int PKCS7_dataFinal(PKCS7 *p7, BIO *bio) 597int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
508 { 598 {
509 int ret=0; 599 int ret=0;
@@ -528,7 +618,7 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
528 si_sk=p7->d.signed_and_enveloped->signer_info; 618 si_sk=p7->d.signed_and_enveloped->signer_info;
529 if (!(os=M_ASN1_OCTET_STRING_new())) 619 if (!(os=M_ASN1_OCTET_STRING_new()))
530 { 620 {
531 PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_MALLOC_FAILURE); 621 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_MALLOC_FAILURE);
532 goto err; 622 goto err;
533 } 623 }
534 p7->d.signed_and_enveloped->enc_data->enc_data=os; 624 p7->d.signed_and_enveloped->enc_data->enc_data=os;
@@ -537,7 +627,7 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
537 /* XXXXXXXXXXXXXXXX */ 627 /* XXXXXXXXXXXXXXXX */
538 if (!(os=M_ASN1_OCTET_STRING_new())) 628 if (!(os=M_ASN1_OCTET_STRING_new()))
539 { 629 {
540 PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_MALLOC_FAILURE); 630 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_MALLOC_FAILURE);
541 goto err; 631 goto err;
542 } 632 }
543 p7->d.enveloped->enc_data->enc_data=os; 633 p7->d.enveloped->enc_data->enc_data=os;
@@ -551,13 +641,24 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
551 p7->d.sign->contents->d.data = NULL; 641 p7->d.sign->contents->d.data = NULL;
552 } 642 }
553 break; 643 break;
644
645 case NID_pkcs7_digest:
646 os=PKCS7_get_octet_string(p7->d.digest->contents);
647 /* If detached data then the content is excluded */
648 if(PKCS7_type_is_data(p7->d.digest->contents) && p7->detached)
649 {
650 M_ASN1_OCTET_STRING_free(os);
651 p7->d.digest->contents->d.data = NULL;
652 }
653 break;
654
554 } 655 }
555 656
556 if (si_sk != NULL) 657 if (si_sk != NULL)
557 { 658 {
558 if ((buf=BUF_MEM_new()) == NULL) 659 if ((buf=BUF_MEM_new()) == NULL)
559 { 660 {
560 PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB); 661 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_BIO_LIB);
561 goto err; 662 goto err;
562 } 663 }
563 for (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++) 664 for (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++)
@@ -568,32 +669,18 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
568 j=OBJ_obj2nid(si->digest_alg->algorithm); 669 j=OBJ_obj2nid(si->digest_alg->algorithm);
569 670
570 btmp=bio; 671 btmp=bio;
571 for (;;) 672
572 { 673 btmp = PKCS7_find_digest(&mdc, btmp, j);
573 if ((btmp=BIO_find_type(btmp,BIO_TYPE_MD)) 674
574 == NULL) 675 if (btmp == NULL)
575 { 676 goto err;
576 PKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST); 677
577 goto err;
578 }
579 BIO_get_md_ctx(btmp,&mdc);
580 if (mdc == NULL)
581 {
582 PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_INTERNAL_ERROR);
583 goto err;
584 }
585 if (EVP_MD_CTX_type(mdc) == j)
586 break;
587 else
588 btmp=BIO_next(btmp);
589 }
590
591 /* We now have the EVP_MD_CTX, lets do the 678 /* We now have the EVP_MD_CTX, lets do the
592 * signing. */ 679 * signing. */
593 EVP_MD_CTX_copy_ex(&ctx_tmp,mdc); 680 EVP_MD_CTX_copy_ex(&ctx_tmp,mdc);
594 if (!BUF_MEM_grow_clean(buf,EVP_PKEY_size(si->pkey))) 681 if (!BUF_MEM_grow_clean(buf,EVP_PKEY_size(si->pkey)))
595 { 682 {
596 PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB); 683 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_BIO_LIB);
597 goto err; 684 goto err;
598 } 685 }
599 686
@@ -615,13 +702,17 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
615 { 702 {
616 if (!(sign_time=X509_gmtime_adj(NULL,0))) 703 if (!(sign_time=X509_gmtime_adj(NULL,0)))
617 { 704 {
618 PKCS7err(PKCS7_F_PKCS7_DATASIGN, 705 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,
619 ERR_R_MALLOC_FAILURE); 706 ERR_R_MALLOC_FAILURE);
620 goto err; 707 goto err;
621 } 708 }
622 PKCS7_add_signed_attribute(si, 709 if (!PKCS7_add_signed_attribute(si,
623 NID_pkcs9_signingTime, 710 NID_pkcs9_signingTime,
624 V_ASN1_UTCTIME,sign_time); 711 V_ASN1_UTCTIME,sign_time))
712 {
713 M_ASN1_UTCTIME_free(sign_time);
714 goto err;
715 }
625 } 716 }
626 717
627 /* Add digest */ 718 /* Add digest */
@@ -629,20 +720,25 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
629 EVP_DigestFinal_ex(&ctx_tmp,md_data,&md_len); 720 EVP_DigestFinal_ex(&ctx_tmp,md_data,&md_len);
630 if (!(digest=M_ASN1_OCTET_STRING_new())) 721 if (!(digest=M_ASN1_OCTET_STRING_new()))
631 { 722 {
632 PKCS7err(PKCS7_F_PKCS7_DATASIGN, 723 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,
633 ERR_R_MALLOC_FAILURE); 724 ERR_R_MALLOC_FAILURE);
634 goto err; 725 goto err;
635 } 726 }
636 if (!M_ASN1_OCTET_STRING_set(digest,md_data, 727 if (!M_ASN1_OCTET_STRING_set(digest,md_data,
637 md_len)) 728 md_len))
638 { 729 {
639 PKCS7err(PKCS7_F_PKCS7_DATASIGN, 730 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,
640 ERR_R_MALLOC_FAILURE); 731 ERR_R_MALLOC_FAILURE);
732 M_ASN1_OCTET_STRING_free(digest);
641 goto err; 733 goto err;
642 } 734 }
643 PKCS7_add_signed_attribute(si, 735 if (!PKCS7_add_signed_attribute(si,
644 NID_pkcs9_messageDigest, 736 NID_pkcs9_messageDigest,
645 V_ASN1_OCTET_STRING,digest); 737 V_ASN1_OCTET_STRING,digest))
738 {
739 M_ASN1_OCTET_STRING_free(digest);
740 goto err;
741 }
646 742
647 /* Now sign the attributes */ 743 /* Now sign the attributes */
648 EVP_SignInit_ex(&ctx_tmp,md_tmp,NULL); 744 EVP_SignInit_ex(&ctx_tmp,md_tmp,NULL);
@@ -657,28 +753,42 @@ int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
657 if (si->pkey->type == EVP_PKEY_DSA) 753 if (si->pkey->type == EVP_PKEY_DSA)
658 ctx_tmp.digest=EVP_dss1(); 754 ctx_tmp.digest=EVP_dss1();
659#endif 755#endif
756#ifndef OPENSSL_NO_ECDSA
757 if (si->pkey->type == EVP_PKEY_EC)
758 ctx_tmp.digest=EVP_ecdsa();
759#endif
660 760
661 if (!EVP_SignFinal(&ctx_tmp,(unsigned char *)buf->data, 761 if (!EVP_SignFinal(&ctx_tmp,(unsigned char *)buf->data,
662 (unsigned int *)&buf->length,si->pkey)) 762 (unsigned int *)&buf->length,si->pkey))
663 { 763 {
664 PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_EVP_LIB); 764 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_EVP_LIB);
665 goto err; 765 goto err;
666 } 766 }
667 if (!ASN1_STRING_set(si->enc_digest, 767 if (!ASN1_STRING_set(si->enc_digest,
668 (unsigned char *)buf->data,buf->length)) 768 (unsigned char *)buf->data,buf->length))
669 { 769 {
670 PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_ASN1_LIB); 770 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_ASN1_LIB);
671 goto err; 771 goto err;
672 } 772 }
673 } 773 }
674 } 774 }
775 else if (i == NID_pkcs7_digest)
776 {
777 unsigned char md_data[EVP_MAX_MD_SIZE];
778 unsigned int md_len;
779 if (!PKCS7_find_digest(&mdc, bio,
780 OBJ_obj2nid(p7->d.digest->md->algorithm)))
781 goto err;
782 EVP_DigestFinal_ex(mdc,md_data,&md_len);
783 M_ASN1_OCTET_STRING_set(p7->d.digest->digest, md_data, md_len);
784 }
675 785
676 if (!PKCS7_is_detached(p7)) 786 if (!PKCS7_is_detached(p7))
677 { 787 {
678 btmp=BIO_find_type(bio,BIO_TYPE_MEM); 788 btmp=BIO_find_type(bio,BIO_TYPE_MEM);
679 if (btmp == NULL) 789 if (btmp == NULL)
680 { 790 {
681 PKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_UNABLE_TO_FIND_MEM_BIO); 791 PKCS7err(PKCS7_F_PKCS7_DATAFINAL,PKCS7_R_UNABLE_TO_FIND_MEM_BIO);
682 goto err; 792 goto err;
683 } 793 }
684 BIO_get_mem_ptr(btmp,&buf_mem); 794 BIO_get_mem_ptr(btmp,&buf_mem);
@@ -859,6 +969,9 @@ for (ii=0; ii<md_len; ii++) printf("%02X",md_dat[ii]); printf(" calc\n");
859#ifndef OPENSSL_NO_DSA 969#ifndef OPENSSL_NO_DSA
860 if(pkey->type == EVP_PKEY_DSA) mdc_tmp.digest=EVP_dss1(); 970 if(pkey->type == EVP_PKEY_DSA) mdc_tmp.digest=EVP_dss1();
861#endif 971#endif
972#ifndef OPENSSL_NO_ECDSA
973 if (pkey->type == EVP_PKEY_EC) mdc_tmp.digest=EVP_ecdsa();
974#endif
862 975
863 i=EVP_VerifyFinal(&mdc_tmp,os->data,os->length, pkey); 976 i=EVP_VerifyFinal(&mdc_tmp,os->data,os->length, pkey);
864 EVP_PKEY_free(pkey); 977 EVP_PKEY_free(pkey);
@@ -883,8 +996,13 @@ PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)
883 int i; 996 int i;
884 997
885 i=OBJ_obj2nid(p7->type); 998 i=OBJ_obj2nid(p7->type);
886 if (i != NID_pkcs7_signedAndEnveloped) return(NULL); 999 if (i != NID_pkcs7_signedAndEnveloped)
1000 return NULL;
1001 if (p7->d.signed_and_enveloped == NULL)
1002 return NULL;
887 rsk=p7->d.signed_and_enveloped->recipientinfo; 1003 rsk=p7->d.signed_and_enveloped->recipientinfo;
1004 if (rsk == NULL)
1005 return NULL;
888 ri=sk_PKCS7_RECIP_INFO_value(rsk,0); 1006 ri=sk_PKCS7_RECIP_INFO_value(rsk,0);
889 if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx) return(NULL); 1007 if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx) return(NULL);
890 ri=sk_PKCS7_RECIP_INFO_value(rsk,idx); 1008 ri=sk_PKCS7_RECIP_INFO_value(rsk,idx);
@@ -938,6 +1056,8 @@ int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
938 if (p7si->auth_attr != NULL) 1056 if (p7si->auth_attr != NULL)
939 sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free); 1057 sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free);
940 p7si->auth_attr=sk_X509_ATTRIBUTE_dup(sk); 1058 p7si->auth_attr=sk_X509_ATTRIBUTE_dup(sk);
1059 if (p7si->auth_attr == NULL)
1060 return 0;
941 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) 1061 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
942 { 1062 {
943 if ((sk_X509_ATTRIBUTE_set(p7si->auth_attr,i, 1063 if ((sk_X509_ATTRIBUTE_set(p7si->auth_attr,i,
@@ -956,6 +1076,8 @@ int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK_OF(X509_ATTRIBUTE) *sk)
956 sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr, 1076 sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr,
957 X509_ATTRIBUTE_free); 1077 X509_ATTRIBUTE_free);
958 p7si->unauth_attr=sk_X509_ATTRIBUTE_dup(sk); 1078 p7si->unauth_attr=sk_X509_ATTRIBUTE_dup(sk);
1079 if (p7si->unauth_attr == NULL)
1080 return 0;
959 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) 1081 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
960 { 1082 {
961 if ((sk_X509_ATTRIBUTE_set(p7si->unauth_attr,i, 1083 if ((sk_X509_ATTRIBUTE_set(p7si->unauth_attr,i,
@@ -985,10 +1107,16 @@ static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
985 1107
986 if (*sk == NULL) 1108 if (*sk == NULL)
987 { 1109 {
988 *sk = sk_X509_ATTRIBUTE_new_null(); 1110 if (!(*sk = sk_X509_ATTRIBUTE_new_null()))
1111 return 0;
989new_attrib: 1112new_attrib:
990 attr=X509_ATTRIBUTE_create(nid,atrtype,value); 1113 if (!(attr=X509_ATTRIBUTE_create(nid,atrtype,value)))
991 sk_X509_ATTRIBUTE_push(*sk,attr); 1114 return 0;
1115 if (!sk_X509_ATTRIBUTE_push(*sk,attr))
1116 {
1117 X509_ATTRIBUTE_free(attr);
1118 return 0;
1119 }
992 } 1120 }
993 else 1121 else
994 { 1122 {
@@ -1001,7 +1129,13 @@ new_attrib:
1001 { 1129 {
1002 X509_ATTRIBUTE_free(attr); 1130 X509_ATTRIBUTE_free(attr);
1003 attr=X509_ATTRIBUTE_create(nid,atrtype,value); 1131 attr=X509_ATTRIBUTE_create(nid,atrtype,value);
1004 sk_X509_ATTRIBUTE_set(*sk,i,attr); 1132 if (attr == NULL)
1133 return 0;
1134 if (!sk_X509_ATTRIBUTE_set(*sk,i,attr))
1135 {
1136 X509_ATTRIBUTE_free(attr);
1137 return 0;
1138 }
1005 goto end; 1139 goto end;
1006 } 1140 }
1007 } 1141 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-26 12:25:45 +0000