2 * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
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
10 #include "internal/cryptlib.h"
11 #include <openssl/asn1t.h>
12 #include <openssl/pem.h>
13 #include <openssl/x509.h>
14 #include <openssl/x509v3.h>
15 #include <openssl/err.h>
16 #include <openssl/cms.h>
18 #include "internal/asn1_int.h"
19 #include "internal/evp_int.h"
21 /* CMS SignedData Utilities */
23 static CMS_SignedData *cms_get0_signed(CMS_ContentInfo *cms)
25 if (OBJ_obj2nid(cms->contentType) != NID_pkcs7_signed) {
26 CMSerr(CMS_F_CMS_GET0_SIGNED, CMS_R_CONTENT_TYPE_NOT_SIGNED_DATA);
29 return cms->d.signedData;
32 static CMS_SignedData *cms_signed_data_init(CMS_ContentInfo *cms)
34 if (cms->d.other == NULL) {
35 cms->d.signedData = M_ASN1_new_of(CMS_SignedData);
36 if (!cms->d.signedData) {
37 CMSerr(CMS_F_CMS_SIGNED_DATA_INIT, ERR_R_MALLOC_FAILURE);
40 cms->d.signedData->version = 1;
41 cms->d.signedData->encapContentInfo->eContentType =
42 OBJ_nid2obj(NID_pkcs7_data);
43 cms->d.signedData->encapContentInfo->partial = 1;
44 ASN1_OBJECT_free(cms->contentType);
45 cms->contentType = OBJ_nid2obj(NID_pkcs7_signed);
46 return cms->d.signedData;
48 return cms_get0_signed(cms);
51 /* Just initialise SignedData e.g. for certs only structure */
53 int CMS_SignedData_init(CMS_ContentInfo *cms)
55 if (cms_signed_data_init(cms))
61 /* Check structures and fixup version numbers (if necessary) */
63 static void cms_sd_set_version(CMS_SignedData *sd)
66 CMS_CertificateChoices *cch;
67 CMS_RevocationInfoChoice *rch;
70 for (i = 0; i < sk_CMS_CertificateChoices_num(sd->certificates); i++) {
71 cch = sk_CMS_CertificateChoices_value(sd->certificates, i);
72 if (cch->type == CMS_CERTCHOICE_OTHER) {
75 } else if (cch->type == CMS_CERTCHOICE_V2ACERT) {
78 } else if (cch->type == CMS_CERTCHOICE_V1ACERT) {
84 for (i = 0; i < sk_CMS_RevocationInfoChoice_num(sd->crls); i++) {
85 rch = sk_CMS_RevocationInfoChoice_value(sd->crls, i);
86 if (rch->type == CMS_REVCHOICE_OTHER) {
92 if ((OBJ_obj2nid(sd->encapContentInfo->eContentType) != NID_pkcs7_data)
96 for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) {
97 si = sk_CMS_SignerInfo_value(sd->signerInfos, i);
98 if (si->sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) {
103 } else if (si->version < 1)
112 /* Copy an existing messageDigest value */
114 static int cms_copy_messageDigest(CMS_ContentInfo *cms, CMS_SignerInfo *si)
116 STACK_OF(CMS_SignerInfo) *sinfos;
117 CMS_SignerInfo *sitmp;
119 sinfos = CMS_get0_SignerInfos(cms);
120 for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) {
121 ASN1_OCTET_STRING *messageDigest;
122 sitmp = sk_CMS_SignerInfo_value(sinfos, i);
125 if (CMS_signed_get_attr_count(sitmp) < 0)
127 if (OBJ_cmp(si->digestAlgorithm->algorithm,
128 sitmp->digestAlgorithm->algorithm))
130 messageDigest = CMS_signed_get0_data_by_OBJ(sitmp,
132 (NID_pkcs9_messageDigest),
133 -3, V_ASN1_OCTET_STRING);
134 if (!messageDigest) {
135 CMSerr(CMS_F_CMS_COPY_MESSAGEDIGEST,
136 CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE);
140 if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest,
147 CMSerr(CMS_F_CMS_COPY_MESSAGEDIGEST, CMS_R_NO_MATCHING_DIGEST);
151 int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type)
154 case CMS_SIGNERINFO_ISSUER_SERIAL:
155 if (!cms_set1_ias(&sid->d.issuerAndSerialNumber, cert))
159 case CMS_SIGNERINFO_KEYIDENTIFIER:
160 if (!cms_set1_keyid(&sid->d.subjectKeyIdentifier, cert))
165 CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, CMS_R_UNKNOWN_ID);
174 int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
175 ASN1_OCTET_STRING **keyid,
179 if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) {
181 *issuer = sid->d.issuerAndSerialNumber->issuer;
183 *sno = sid->d.issuerAndSerialNumber->serialNumber;
184 } else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) {
186 *keyid = sid->d.subjectKeyIdentifier;
192 int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert)
194 if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL)
195 return cms_ias_cert_cmp(sid->d.issuerAndSerialNumber, cert);
196 else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER)
197 return cms_keyid_cert_cmp(sid->d.subjectKeyIdentifier, cert);
202 static int cms_sd_asn1_ctrl(CMS_SignerInfo *si, int cmd)
204 EVP_PKEY *pkey = si->pkey;
206 if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
208 i = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_CMS_SIGN, cmd, si);
210 CMSerr(CMS_F_CMS_SD_ASN1_CTRL, CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
214 CMSerr(CMS_F_CMS_SD_ASN1_CTRL, CMS_R_CTRL_FAILURE);
220 CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
221 X509 *signer, EVP_PKEY *pk, const EVP_MD *md,
225 CMS_SignerInfo *si = NULL;
228 if (!X509_check_private_key(signer, pk)) {
229 CMSerr(CMS_F_CMS_ADD1_SIGNER,
230 CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
233 sd = cms_signed_data_init(cms);
236 si = M_ASN1_new_of(CMS_SignerInfo);
239 /* Call for side-effect of computing hash and caching extensions */
240 X509_check_purpose(signer, -1, -1);
247 si->mctx = EVP_MD_CTX_new();
250 if (si->mctx == NULL) {
251 CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
255 if (flags & CMS_USE_KEYID) {
259 type = CMS_SIGNERINFO_KEYIDENTIFIER;
261 type = CMS_SIGNERINFO_ISSUER_SERIAL;
265 if (!cms_set1_SignerIdentifier(si->sid, signer, type))
270 if (EVP_PKEY_get_default_digest_nid(pk, &def_nid) <= 0)
272 md = EVP_get_digestbynid(def_nid);
274 CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DEFAULT_DIGEST);
280 CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DIGEST_SET);
284 X509_ALGOR_set_md(si->digestAlgorithm, md);
286 /* See if digest is present in digestAlgorithms */
287 for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) {
288 const ASN1_OBJECT *aoid;
289 alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i);
290 X509_ALGOR_get0(&aoid, NULL, NULL, alg);
291 if (OBJ_obj2nid(aoid) == EVP_MD_type(md))
295 if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) {
296 alg = X509_ALGOR_new();
299 X509_ALGOR_set_md(alg, md);
300 if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) {
301 X509_ALGOR_free(alg);
306 if (!(flags & CMS_KEY_PARAM) && !cms_sd_asn1_ctrl(si, 0))
308 if (!(flags & CMS_NOATTR)) {
310 * Initialize signed attributes structure so other attributes
311 * such as signing time etc are added later even if we add none here.
313 if (!si->signedAttrs) {
314 si->signedAttrs = sk_X509_ATTRIBUTE_new_null();
315 if (!si->signedAttrs)
319 if (!(flags & CMS_NOSMIMECAP)) {
320 STACK_OF(X509_ALGOR) *smcap = NULL;
321 i = CMS_add_standard_smimecap(&smcap);
323 i = CMS_add_smimecap(si, smcap);
324 sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
328 if (flags & CMS_CADES) {
329 ESS_SIGNING_CERT *sc = NULL;
330 ESS_SIGNING_CERT_V2 *sc2 = NULL;
333 if (md == EVP_sha1() || md == NULL) {
334 if ((sc = ESS_SIGNING_CERT_new_init(signer,
337 add_sc = CMS_add1_signing_cert(si, sc);
338 ESS_SIGNING_CERT_free(sc);
340 if ((sc2 = ESS_SIGNING_CERT_V2_new_init(md, signer,
343 add_sc = CMS_add1_signing_cert_v2(si, sc2);
344 ESS_SIGNING_CERT_V2_free(sc2);
349 if (flags & CMS_REUSE_DIGEST) {
350 if (!cms_copy_messageDigest(cms, si))
352 if (!(flags & (CMS_PARTIAL | CMS_KEY_PARAM)) &&
353 !CMS_SignerInfo_sign(si))
358 if (!(flags & CMS_NOCERTS)) {
359 /* NB ignore -1 return for duplicate cert */
360 if (!CMS_add1_cert(cms, signer))
364 if (flags & CMS_KEY_PARAM) {
365 if (flags & CMS_NOATTR) {
366 si->pctx = EVP_PKEY_CTX_new(si->pkey, NULL);
367 if (si->pctx == NULL)
369 if (EVP_PKEY_sign_init(si->pctx) <= 0)
371 if (EVP_PKEY_CTX_set_signature_md(si->pctx, md) <= 0)
373 } else if (EVP_DigestSignInit(si->mctx, &si->pctx, md, NULL, pk) <= 0)
377 if (!sd->signerInfos)
378 sd->signerInfos = sk_CMS_SignerInfo_new_null();
379 if (!sd->signerInfos || !sk_CMS_SignerInfo_push(sd->signerInfos, si))
385 CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
387 M_ASN1_free_of(si, CMS_SignerInfo);
392 static int cms_add1_signingTime(CMS_SignerInfo *si, ASN1_TIME *t)
399 tt = X509_gmtime_adj(NULL, 0);
404 if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_signingTime,
405 tt->type, tt, -1) <= 0)
416 CMSerr(CMS_F_CMS_ADD1_SIGNINGTIME, ERR_R_MALLOC_FAILURE);
422 EVP_PKEY_CTX *CMS_SignerInfo_get0_pkey_ctx(CMS_SignerInfo *si)
427 EVP_MD_CTX *CMS_SignerInfo_get0_md_ctx(CMS_SignerInfo *si)
432 STACK_OF(CMS_SignerInfo) *CMS_get0_SignerInfos(CMS_ContentInfo *cms)
435 sd = cms_get0_signed(cms);
438 return sd->signerInfos;
441 STACK_OF(X509) *CMS_get0_signers(CMS_ContentInfo *cms)
443 STACK_OF(X509) *signers = NULL;
444 STACK_OF(CMS_SignerInfo) *sinfos;
447 sinfos = CMS_get0_SignerInfos(cms);
448 for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) {
449 si = sk_CMS_SignerInfo_value(sinfos, i);
452 signers = sk_X509_new_null();
456 if (!sk_X509_push(signers, si->signer)) {
457 sk_X509_free(signers);
465 void CMS_SignerInfo_set1_signer_cert(CMS_SignerInfo *si, X509 *signer)
469 EVP_PKEY_free(si->pkey);
470 si->pkey = X509_get_pubkey(signer);
472 X509_free(si->signer);
476 int CMS_SignerInfo_get0_signer_id(CMS_SignerInfo *si,
477 ASN1_OCTET_STRING **keyid,
478 X509_NAME **issuer, ASN1_INTEGER **sno)
480 return cms_SignerIdentifier_get0_signer_id(si->sid, keyid, issuer, sno);
483 int CMS_SignerInfo_cert_cmp(CMS_SignerInfo *si, X509 *cert)
485 return cms_SignerIdentifier_cert_cmp(si->sid, cert);
488 int CMS_set1_signers_certs(CMS_ContentInfo *cms, STACK_OF(X509) *scerts,
493 CMS_CertificateChoices *cch;
494 STACK_OF(CMS_CertificateChoices) *certs;
498 sd = cms_get0_signed(cms);
501 certs = sd->certificates;
502 for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) {
503 si = sk_CMS_SignerInfo_value(sd->signerInfos, i);
507 for (j = 0; j < sk_X509_num(scerts); j++) {
508 x = sk_X509_value(scerts, j);
509 if (CMS_SignerInfo_cert_cmp(si, x) == 0) {
510 CMS_SignerInfo_set1_signer_cert(si, x);
516 if (si->signer || (flags & CMS_NOINTERN))
519 for (j = 0; j < sk_CMS_CertificateChoices_num(certs); j++) {
520 cch = sk_CMS_CertificateChoices_value(certs, j);
523 x = cch->d.certificate;
524 if (CMS_SignerInfo_cert_cmp(si, x) == 0) {
525 CMS_SignerInfo_set1_signer_cert(si, x);
534 void CMS_SignerInfo_get0_algs(CMS_SignerInfo *si, EVP_PKEY **pk,
535 X509 **signer, X509_ALGOR **pdig,
541 *signer = si->signer;
543 *pdig = si->digestAlgorithm;
545 *psig = si->signatureAlgorithm;
548 ASN1_OCTET_STRING *CMS_SignerInfo_get0_signature(CMS_SignerInfo *si)
550 return si->signature;
553 static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,
554 CMS_SignerInfo *si, BIO *chain)
556 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
558 EVP_PKEY_CTX *pctx = NULL;
561 CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
566 CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_NO_PRIVATE_KEY);
570 if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))
572 /* Set SignerInfo algorithm details if we used custom parameter */
573 if (si->pctx && !cms_sd_asn1_ctrl(si, 0))
577 * If any signed attributes calculate and add messageDigest attribute
580 if (CMS_signed_get_attr_count(si) >= 0) {
582 cms->d.signedData->encapContentInfo->eContentType;
583 unsigned char md[EVP_MAX_MD_SIZE];
585 if (!EVP_DigestFinal_ex(mctx, md, &mdlen))
587 if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest,
588 V_ASN1_OCTET_STRING, md, mdlen))
590 /* Copy content type across */
591 if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType,
592 V_ASN1_OBJECT, ctype, -1) <= 0)
594 if (!CMS_SignerInfo_sign(si))
596 } else if (si->pctx) {
599 unsigned char md[EVP_MAX_MD_SIZE];
602 if (!EVP_DigestFinal_ex(mctx, md, &mdlen))
604 siglen = EVP_PKEY_size(si->pkey);
605 sig = OPENSSL_malloc(siglen);
607 CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
610 if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0) {
614 ASN1_STRING_set0(si->signature, sig, siglen);
618 sig = OPENSSL_malloc(EVP_PKEY_size(si->pkey));
620 CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
623 if (!EVP_SignFinal(mctx, sig, &siglen, si->pkey)) {
624 CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_SIGNFINAL_ERROR);
628 ASN1_STRING_set0(si->signature, sig, siglen);
634 EVP_MD_CTX_free(mctx);
635 EVP_PKEY_CTX_free(pctx);
640 int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain)
642 STACK_OF(CMS_SignerInfo) *sinfos;
645 sinfos = CMS_get0_SignerInfos(cms);
646 for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) {
647 si = sk_CMS_SignerInfo_value(sinfos, i);
648 if (!cms_SignerInfo_content_sign(cms, si, chain))
651 cms->d.signedData->encapContentInfo->partial = 0;
655 int CMS_SignerInfo_sign(CMS_SignerInfo *si)
657 EVP_MD_CTX *mctx = si->mctx;
658 EVP_PKEY_CTX *pctx = NULL;
659 unsigned char *abuf = NULL;
662 const EVP_MD *md = NULL;
664 md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm);
668 if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) {
669 if (!cms_add1_signingTime(si, NULL))
676 EVP_MD_CTX_reset(mctx);
677 if (EVP_DigestSignInit(mctx, &pctx, md, NULL, si->pkey) <= 0)
682 if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
683 EVP_PKEY_CTRL_CMS_SIGN, 0, si) <= 0) {
684 CMSerr(CMS_F_CMS_SIGNERINFO_SIGN, CMS_R_CTRL_ERROR);
688 alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf,
689 ASN1_ITEM_rptr(CMS_Attributes_Sign));
692 if (EVP_DigestSignUpdate(mctx, abuf, alen) <= 0)
694 if (EVP_DigestSignFinal(mctx, NULL, &siglen) <= 0)
697 abuf = OPENSSL_malloc(siglen);
700 if (EVP_DigestSignFinal(mctx, abuf, &siglen) <= 0)
703 if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
704 EVP_PKEY_CTRL_CMS_SIGN, 1, si) <= 0) {
705 CMSerr(CMS_F_CMS_SIGNERINFO_SIGN, CMS_R_CTRL_ERROR);
709 EVP_MD_CTX_reset(mctx);
711 ASN1_STRING_set0(si->signature, abuf, siglen);
717 EVP_MD_CTX_reset(mctx);
722 int CMS_SignerInfo_verify(CMS_SignerInfo *si)
724 EVP_MD_CTX *mctx = NULL;
725 unsigned char *abuf = NULL;
727 const EVP_MD *md = NULL;
730 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_NO_PUBLIC_KEY);
734 md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm);
737 if (si->mctx == NULL && (si->mctx = EVP_MD_CTX_new()) == NULL) {
738 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, ERR_R_MALLOC_FAILURE);
742 if (EVP_DigestVerifyInit(mctx, &si->pctx, md, NULL, si->pkey) <= 0)
745 if (!cms_sd_asn1_ctrl(si, 1))
748 alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf,
749 ASN1_ITEM_rptr(CMS_Attributes_Verify));
752 r = EVP_DigestVerifyUpdate(mctx, abuf, alen);
758 r = EVP_DigestVerifyFinal(mctx,
759 si->signature->data, si->signature->length);
761 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_VERIFICATION_FAILURE);
763 EVP_MD_CTX_reset(mctx);
767 /* Create a chain of digest BIOs from a CMS ContentInfo */
769 BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms)
774 sd = cms_get0_signed(cms);
777 if (cms->d.signedData->encapContentInfo->partial)
778 cms_sd_set_version(sd);
779 for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) {
780 X509_ALGOR *digestAlgorithm;
782 digestAlgorithm = sk_X509_ALGOR_value(sd->digestAlgorithms, i);
783 mdbio = cms_DigestAlgorithm_init_bio(digestAlgorithm);
787 BIO_push(chain, mdbio);
797 int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
799 ASN1_OCTET_STRING *os = NULL;
800 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
801 EVP_PKEY_CTX *pkctx = NULL;
803 unsigned char mval[EVP_MAX_MD_SIZE];
807 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, ERR_R_MALLOC_FAILURE);
810 /* If we have any signed attributes look for messageDigest value */
811 if (CMS_signed_get_attr_count(si) >= 0) {
812 os = CMS_signed_get0_data_by_OBJ(si,
813 OBJ_nid2obj(NID_pkcs9_messageDigest),
814 -3, V_ASN1_OCTET_STRING);
816 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
817 CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE);
822 if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))
825 if (EVP_DigestFinal_ex(mctx, mval, &mlen) <= 0) {
826 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
827 CMS_R_UNABLE_TO_FINALIZE_CONTEXT);
831 /* If messageDigest found compare it */
834 if (mlen != (unsigned int)os->length) {
835 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
836 CMS_R_MESSAGEDIGEST_ATTRIBUTE_WRONG_LENGTH);
840 if (memcmp(mval, os->data, mlen)) {
841 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
842 CMS_R_VERIFICATION_FAILURE);
847 const EVP_MD *md = EVP_MD_CTX_md(mctx);
848 pkctx = EVP_PKEY_CTX_new(si->pkey, NULL);
851 if (EVP_PKEY_verify_init(pkctx) <= 0)
853 if (EVP_PKEY_CTX_set_signature_md(pkctx, md) <= 0)
856 if (!cms_sd_asn1_ctrl(si, 1))
858 r = EVP_PKEY_verify(pkctx, si->signature->data,
859 si->signature->length, mval, mlen);
861 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
862 CMS_R_VERIFICATION_FAILURE);
868 EVP_PKEY_CTX_free(pkctx);
869 EVP_MD_CTX_free(mctx);
874 int CMS_add_smimecap(CMS_SignerInfo *si, STACK_OF(X509_ALGOR) *algs)
876 unsigned char *smder = NULL;
878 smderlen = i2d_X509_ALGORS(algs, &smder);
881 r = CMS_signed_add1_attr_by_NID(si, NID_SMIMECapabilities,
882 V_ASN1_SEQUENCE, smder, smderlen);
887 int CMS_add_simple_smimecap(STACK_OF(X509_ALGOR) **algs,
888 int algnid, int keysize)
891 ASN1_INTEGER *key = NULL;
893 key = ASN1_INTEGER_new();
894 if (key == NULL || !ASN1_INTEGER_set(key, keysize))
897 alg = X509_ALGOR_new();
899 ASN1_INTEGER_free(key);
903 X509_ALGOR_set0(alg, OBJ_nid2obj(algnid),
904 key ? V_ASN1_INTEGER : V_ASN1_UNDEF, key);
906 *algs = sk_X509_ALGOR_new_null();
907 if (*algs == NULL || !sk_X509_ALGOR_push(*algs, alg)) {
908 X509_ALGOR_free(alg);
914 /* Check to see if a cipher exists and if so add S/MIME capabilities */
916 static int cms_add_cipher_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg)
918 if (EVP_get_cipherbynid(nid))
919 return CMS_add_simple_smimecap(sk, nid, arg);
923 static int cms_add_digest_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg)
925 if (EVP_get_digestbynid(nid))
926 return CMS_add_simple_smimecap(sk, nid, arg);
930 int CMS_add_standard_smimecap(STACK_OF(X509_ALGOR) **smcap)
932 if (!cms_add_cipher_smcap(smcap, NID_aes_256_cbc, -1)
933 || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_256, -1)
934 || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_512, -1)
935 || !cms_add_digest_smcap(smcap, NID_id_GostR3411_94, -1)
936 || !cms_add_cipher_smcap(smcap, NID_id_Gost28147_89, -1)
937 || !cms_add_cipher_smcap(smcap, NID_aes_192_cbc, -1)
938 || !cms_add_cipher_smcap(smcap, NID_aes_128_cbc, -1)
939 || !cms_add_cipher_smcap(smcap, NID_des_ede3_cbc, -1)
940 || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 128)
941 || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 64)
942 || !cms_add_cipher_smcap(smcap, NID_des_cbc, -1)
943 || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 40))