diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/cms/cms_sd.c')
| -rw-r--r-- | drivers/builtin_openssl2/crypto/cms/cms_sd.c | 1619 |
1 files changed, 768 insertions, 851 deletions
diff --git a/drivers/builtin_openssl2/crypto/cms/cms_sd.c b/drivers/builtin_openssl2/crypto/cms/cms_sd.c index 51dd33a1c3..6daa2627db 100644 --- a/drivers/builtin_openssl2/crypto/cms/cms_sd.c +++ b/drivers/builtin_openssl2/crypto/cms/cms_sd.c @@ -1,5 +1,6 @@ /* crypto/cms/cms_sd.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project. */ /* ==================================================================== @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -65,921 +66,837 @@ DECLARE_ASN1_ITEM(CMS_SignedData) static CMS_SignedData *cms_get0_signed(CMS_ContentInfo *cms) - { - if (OBJ_obj2nid(cms->contentType) != NID_pkcs7_signed) - { - CMSerr(CMS_F_CMS_GET0_SIGNED, CMS_R_CONTENT_TYPE_NOT_SIGNED_DATA); - return NULL; - } - return cms->d.signedData; - } +{ + if (OBJ_obj2nid(cms->contentType) != NID_pkcs7_signed) { + CMSerr(CMS_F_CMS_GET0_SIGNED, CMS_R_CONTENT_TYPE_NOT_SIGNED_DATA); + return NULL; + } + return cms->d.signedData; +} static CMS_SignedData *cms_signed_data_init(CMS_ContentInfo *cms) - { - if (cms->d.other == NULL) - { - cms->d.signedData = M_ASN1_new_of(CMS_SignedData); - if (!cms->d.signedData) - { - CMSerr(CMS_F_CMS_SIGNED_DATA_INIT, ERR_R_MALLOC_FAILURE); - return NULL; - } - cms->d.signedData->version = 1; - cms->d.signedData->encapContentInfo->eContentType = - OBJ_nid2obj(NID_pkcs7_data); - cms->d.signedData->encapContentInfo->partial = 1; - ASN1_OBJECT_free(cms->contentType); - cms->contentType = OBJ_nid2obj(NID_pkcs7_signed); - return cms->d.signedData; - } - return cms_get0_signed(cms); - } +{ + if (cms->d.other == NULL) { + cms->d.signedData = M_ASN1_new_of(CMS_SignedData); + if (!cms->d.signedData) { + CMSerr(CMS_F_CMS_SIGNED_DATA_INIT, ERR_R_MALLOC_FAILURE); + return NULL; + } + cms->d.signedData->version = 1; + cms->d.signedData->encapContentInfo->eContentType = + OBJ_nid2obj(NID_pkcs7_data); + cms->d.signedData->encapContentInfo->partial = 1; + ASN1_OBJECT_free(cms->contentType); + cms->contentType = OBJ_nid2obj(NID_pkcs7_signed); + return cms->d.signedData; + } + return cms_get0_signed(cms); +} /* Just initialize SignedData e.g. for certs only structure */ int CMS_SignedData_init(CMS_ContentInfo *cms) - { - if (cms_signed_data_init(cms)) - return 1; - else - return 0; - } +{ + if (cms_signed_data_init(cms)) + return 1; + else + return 0; +} /* Check structures and fixup version numbers (if necessary) */ static void cms_sd_set_version(CMS_SignedData *sd) - { - int i; - CMS_CertificateChoices *cch; - CMS_RevocationInfoChoice *rch; - CMS_SignerInfo *si; - - for (i = 0; i < sk_CMS_CertificateChoices_num(sd->certificates); i++) - { - cch = sk_CMS_CertificateChoices_value(sd->certificates, i); - if (cch->type == CMS_CERTCHOICE_OTHER) - { - if (sd->version < 5) - sd->version = 5; - } - else if (cch->type == CMS_CERTCHOICE_V2ACERT) - { - if (sd->version < 4) - sd->version = 4; - } - else if (cch->type == CMS_CERTCHOICE_V1ACERT) - { - if (sd->version < 3) - sd->version = 3; - } - } - - for (i = 0; i < sk_CMS_RevocationInfoChoice_num(sd->crls); i++) - { - rch = sk_CMS_RevocationInfoChoice_value(sd->crls, i); - if (rch->type == CMS_REVCHOICE_OTHER) - { - if (sd->version < 5) - sd->version = 5; - } - } - - if ((OBJ_obj2nid(sd->encapContentInfo->eContentType) != NID_pkcs7_data) - && (sd->version < 3)) - sd->version = 3; - - for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) - { - si = sk_CMS_SignerInfo_value(sd->signerInfos, i); - if (si->sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) - { - if (si->version < 3) - si->version = 3; - if (sd->version < 3) - sd->version = 3; - } - else if (si->version < 1) - si->version = 1; - } - - if (sd->version < 1) - sd->version = 1; - - } - +{ + int i; + CMS_CertificateChoices *cch; + CMS_RevocationInfoChoice *rch; + CMS_SignerInfo *si; + + for (i = 0; i < sk_CMS_CertificateChoices_num(sd->certificates); i++) { + cch = sk_CMS_CertificateChoices_value(sd->certificates, i); + if (cch->type == CMS_CERTCHOICE_OTHER) { + if (sd->version < 5) + sd->version = 5; + } else if (cch->type == CMS_CERTCHOICE_V2ACERT) { + if (sd->version < 4) + sd->version = 4; + } else if (cch->type == CMS_CERTCHOICE_V1ACERT) { + if (sd->version < 3) + sd->version = 3; + } + } + + for (i = 0; i < sk_CMS_RevocationInfoChoice_num(sd->crls); i++) { + rch = sk_CMS_RevocationInfoChoice_value(sd->crls, i); + if (rch->type == CMS_REVCHOICE_OTHER) { + if (sd->version < 5) + sd->version = 5; + } + } + + if ((OBJ_obj2nid(sd->encapContentInfo->eContentType) != NID_pkcs7_data) + && (sd->version < 3)) + sd->version = 3; + + for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) { + si = sk_CMS_SignerInfo_value(sd->signerInfos, i); + if (si->sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) { + if (si->version < 3) + si->version = 3; + if (sd->version < 3) + sd->version = 3; + } else if (si->version < 1) + si->version = 1; + } + + if (sd->version < 1) + sd->version = 1; + +} + /* Copy an existing messageDigest value */ static int cms_copy_messageDigest(CMS_ContentInfo *cms, CMS_SignerInfo *si) - { - STACK_OF(CMS_SignerInfo) *sinfos; - CMS_SignerInfo *sitmp; - int i; - sinfos = CMS_get0_SignerInfos(cms); - for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) - { - ASN1_OCTET_STRING *messageDigest; - sitmp = sk_CMS_SignerInfo_value(sinfos, i); - if (sitmp == si) - continue; - if (CMS_signed_get_attr_count(sitmp) < 0) - continue; - if (OBJ_cmp(si->digestAlgorithm->algorithm, - sitmp->digestAlgorithm->algorithm)) - continue; - messageDigest = CMS_signed_get0_data_by_OBJ(sitmp, - OBJ_nid2obj(NID_pkcs9_messageDigest), - -3, V_ASN1_OCTET_STRING); - if (!messageDigest) - { - CMSerr(CMS_F_CMS_COPY_MESSAGEDIGEST, - CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE); - return 0; - } - - if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, - V_ASN1_OCTET_STRING, - messageDigest, -1)) - return 1; - else - return 0; - } - CMSerr(CMS_F_CMS_COPY_MESSAGEDIGEST, CMS_R_NO_MATCHING_DIGEST); - return 0; - } +{ + STACK_OF(CMS_SignerInfo) *sinfos; + CMS_SignerInfo *sitmp; + int i; + sinfos = CMS_get0_SignerInfos(cms); + for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { + ASN1_OCTET_STRING *messageDigest; + sitmp = sk_CMS_SignerInfo_value(sinfos, i); + if (sitmp == si) + continue; + if (CMS_signed_get_attr_count(sitmp) < 0) + continue; + if (OBJ_cmp(si->digestAlgorithm->algorithm, + sitmp->digestAlgorithm->algorithm)) + continue; + messageDigest = CMS_signed_get0_data_by_OBJ(sitmp, + OBJ_nid2obj + (NID_pkcs9_messageDigest), + -3, V_ASN1_OCTET_STRING); + if (!messageDigest) { + CMSerr(CMS_F_CMS_COPY_MESSAGEDIGEST, + CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE); + return 0; + } + + if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, + V_ASN1_OCTET_STRING, + messageDigest, -1)) + return 1; + else + return 0; + } + CMSerr(CMS_F_CMS_COPY_MESSAGEDIGEST, CMS_R_NO_MATCHING_DIGEST); + return 0; +} int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type) - { - switch(type) - { - case CMS_SIGNERINFO_ISSUER_SERIAL: - sid->d.issuerAndSerialNumber = - M_ASN1_new_of(CMS_IssuerAndSerialNumber); - if (!sid->d.issuerAndSerialNumber) - goto merr; - if (!X509_NAME_set(&sid->d.issuerAndSerialNumber->issuer, - X509_get_issuer_name(cert))) - goto merr; - if (!ASN1_STRING_copy( - sid->d.issuerAndSerialNumber->serialNumber, - X509_get_serialNumber(cert))) - goto merr; - break; - - case CMS_SIGNERINFO_KEYIDENTIFIER: - if (!cert->skid) - { - CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, - CMS_R_CERTIFICATE_HAS_NO_KEYID); - return 0; - } - sid->d.subjectKeyIdentifier = ASN1_STRING_dup(cert->skid); - if (!sid->d.subjectKeyIdentifier) - goto merr; - break; - - default: - CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, CMS_R_UNKNOWN_ID); - return 0; - } - - sid->type = type; - - return 1; - - merr: - CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, ERR_R_MALLOC_FAILURE); - return 0; - - } +{ + switch (type) { + case CMS_SIGNERINFO_ISSUER_SERIAL: + sid->d.issuerAndSerialNumber = + M_ASN1_new_of(CMS_IssuerAndSerialNumber); + if (!sid->d.issuerAndSerialNumber) + goto merr; + if (!X509_NAME_set(&sid->d.issuerAndSerialNumber->issuer, + X509_get_issuer_name(cert))) + goto merr; + if (!ASN1_STRING_copy(sid->d.issuerAndSerialNumber->serialNumber, + X509_get_serialNumber(cert))) + goto merr; + break; + + case CMS_SIGNERINFO_KEYIDENTIFIER: + if (!cert->skid) { + CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, + CMS_R_CERTIFICATE_HAS_NO_KEYID); + return 0; + } + sid->d.subjectKeyIdentifier = ASN1_STRING_dup(cert->skid); + if (!sid->d.subjectKeyIdentifier) + goto merr; + break; + + default: + CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, CMS_R_UNKNOWN_ID); + return 0; + } + + sid->type = type; + + return 1; + + merr: + CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, ERR_R_MALLOC_FAILURE); + return 0; + +} int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid, - ASN1_OCTET_STRING **keyid, - X509_NAME **issuer, ASN1_INTEGER **sno) - { - if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) - { - if (issuer) - *issuer = sid->d.issuerAndSerialNumber->issuer; - if (sno) - *sno = sid->d.issuerAndSerialNumber->serialNumber; - } - else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) - { - if (keyid) - *keyid = sid->d.subjectKeyIdentifier; - } - else - return 0; - return 1; - } + ASN1_OCTET_STRING **keyid, + X509_NAME **issuer, + ASN1_INTEGER **sno) +{ + if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) { + if (issuer) + *issuer = sid->d.issuerAndSerialNumber->issuer; + if (sno) + *sno = sid->d.issuerAndSerialNumber->serialNumber; + } else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) { + if (keyid) + *keyid = sid->d.subjectKeyIdentifier; + } else + return 0; + return 1; +} int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert) - { - int ret; - if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) - { - ret = X509_NAME_cmp(sid->d.issuerAndSerialNumber->issuer, - X509_get_issuer_name(cert)); - if (ret) - return ret; - return ASN1_INTEGER_cmp(sid->d.issuerAndSerialNumber->serialNumber, - X509_get_serialNumber(cert)); - } - else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) - { - X509_check_purpose(cert, -1, -1); - if (!cert->skid) - return -1; - return ASN1_OCTET_STRING_cmp(sid->d.subjectKeyIdentifier, - cert->skid); - } - else - return -1; - } +{ + int ret; + if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) { + ret = X509_NAME_cmp(sid->d.issuerAndSerialNumber->issuer, + X509_get_issuer_name(cert)); + if (ret) + return ret; + return ASN1_INTEGER_cmp(sid->d.issuerAndSerialNumber->serialNumber, + X509_get_serialNumber(cert)); + } else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) { + X509_check_purpose(cert, -1, -1); + if (!cert->skid) + return -1; + return ASN1_OCTET_STRING_cmp(sid->d.subjectKeyIdentifier, cert->skid); + } else + return -1; +} CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms, - X509 *signer, EVP_PKEY *pk, const EVP_MD *md, - unsigned int flags) - { - CMS_SignedData *sd; - CMS_SignerInfo *si = NULL; - X509_ALGOR *alg; - int i, type; - if(!X509_check_private_key(signer, pk)) - { - CMSerr(CMS_F_CMS_ADD1_SIGNER, - CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); - return NULL; - } - sd = cms_signed_data_init(cms); - if (!sd) - goto err; - si = M_ASN1_new_of(CMS_SignerInfo); - if (!si) - goto merr; - X509_check_purpose(signer, -1, -1); - - CRYPTO_add(&pk->references, 1, CRYPTO_LOCK_EVP_PKEY); - CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509); - - si->pkey = pk; - si->signer = signer; - - if (flags & CMS_USE_KEYID) - { - si->version = 3; - if (sd->version < 3) - sd->version = 3; - type = CMS_SIGNERINFO_KEYIDENTIFIER; - } - else - { - type = CMS_SIGNERINFO_ISSUER_SERIAL; - si->version = 1; - } - - if (!cms_set1_SignerIdentifier(si->sid, signer, type)) - goto err; - - if (md == NULL) - { - int def_nid; - if (EVP_PKEY_get_default_digest_nid(pk, &def_nid) <= 0) - goto err; - md = EVP_get_digestbynid(def_nid); - if (md == NULL) - { - CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DEFAULT_DIGEST); - goto err; - } - } - - if (!md) - { - CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DIGEST_SET); - goto err; - } - - cms_DigestAlgorithm_set(si->digestAlgorithm, md); - - /* See if digest is present in digestAlgorithms */ - for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) - { - ASN1_OBJECT *aoid; - alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i); - X509_ALGOR_get0(&aoid, NULL, NULL, alg); - if (OBJ_obj2nid(aoid) == EVP_MD_type(md)) - break; - } - - if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) - { - alg = X509_ALGOR_new(); - if (!alg) - goto merr; - cms_DigestAlgorithm_set(alg, md); - if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) - { - X509_ALGOR_free(alg); - goto merr; - } - } - - if (pk->ameth && pk->ameth->pkey_ctrl) - { - i = pk->ameth->pkey_ctrl(pk, ASN1_PKEY_CTRL_CMS_SIGN, - 0, si); - if (i == -2) - { - CMSerr(CMS_F_CMS_ADD1_SIGNER, - CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); - goto err; - } - if (i <= 0) - { - CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_CTRL_FAILURE); - goto err; - } - } - - if (!(flags & CMS_NOATTR)) - { - /* Initialialize signed attributes strutucture so other - * attributes such as signing time etc are added later - * even if we add none here. - */ - if (!si->signedAttrs) - { - si->signedAttrs = sk_X509_ATTRIBUTE_new_null(); - if (!si->signedAttrs) - goto merr; - } - - if (!(flags & CMS_NOSMIMECAP)) - { - STACK_OF(X509_ALGOR) *smcap = NULL; - i = CMS_add_standard_smimecap(&smcap); - if (i) - i = CMS_add_smimecap(si, smcap); - sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free); - if (!i) - goto merr; - } - if (flags & CMS_REUSE_DIGEST) - { - if (!cms_copy_messageDigest(cms, si)) - goto err; - if (!(flags & CMS_PARTIAL) && - !CMS_SignerInfo_sign(si)) - goto err; - } - } - - if (!(flags & CMS_NOCERTS)) - { - /* NB ignore -1 return for duplicate cert */ - if (!CMS_add1_cert(cms, signer)) - goto merr; - } - - if (!sd->signerInfos) - sd->signerInfos = sk_CMS_SignerInfo_new_null(); - if (!sd->signerInfos || - !sk_CMS_SignerInfo_push(sd->signerInfos, si)) - goto merr; - - return si; - - merr: - CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE); - err: - if (si) - M_ASN1_free_of(si, CMS_SignerInfo); - return NULL; - - } + X509 *signer, EVP_PKEY *pk, const EVP_MD *md, + unsigned int flags) +{ + CMS_SignedData *sd; + CMS_SignerInfo *si = NULL; + X509_ALGOR *alg; + int i, type; + if (!X509_check_private_key(signer, pk)) { + CMSerr(CMS_F_CMS_ADD1_SIGNER, + CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); + return NULL; + } + sd = cms_signed_data_init(cms); + if (!sd) + goto err; + si = M_ASN1_new_of(CMS_SignerInfo); + if (!si) + goto merr; + X509_check_purpose(signer, -1, -1); + + CRYPTO_add(&pk->references, 1, CRYPTO_LOCK_EVP_PKEY); + CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509); + + si->pkey = pk; + si->signer = signer; + + if (flags & CMS_USE_KEYID) { + si->version = 3; + if (sd->version < 3) + sd->version = 3; + type = CMS_SIGNERINFO_KEYIDENTIFIER; + } else { + type = CMS_SIGNERINFO_ISSUER_SERIAL; + si->version = 1; + } + + if (!cms_set1_SignerIdentifier(si->sid, signer, type)) + goto err; + + if (md == NULL) { + int def_nid; + if (EVP_PKEY_get_default_digest_nid(pk, &def_nid) <= 0) + goto err; + md = EVP_get_digestbynid(def_nid); + if (md == NULL) { + CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DEFAULT_DIGEST); + goto err; + } + } + + if (!md) { + CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DIGEST_SET); + goto err; + } + + cms_DigestAlgorithm_set(si->digestAlgorithm, md); + + /* See if digest is present in digestAlgorithms */ + for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) { + ASN1_OBJECT *aoid; + alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i); + X509_ALGOR_get0(&aoid, NULL, NULL, alg); + if (OBJ_obj2nid(aoid) == EVP_MD_type(md)) + break; + } + + if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) { + alg = X509_ALGOR_new(); + if (!alg) + goto merr; + cms_DigestAlgorithm_set(alg, md); + if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) { + X509_ALGOR_free(alg); + goto merr; + } + } + + if (pk->ameth && pk->ameth->pkey_ctrl) { + i = pk->ameth->pkey_ctrl(pk, ASN1_PKEY_CTRL_CMS_SIGN, 0, si); + if (i == -2) { + CMSerr(CMS_F_CMS_ADD1_SIGNER, + CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); + goto err; + } + if (i <= 0) { + CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_CTRL_FAILURE); + goto err; + } + } + + if (!(flags & CMS_NOATTR)) { + /* + * Initialialize signed attributes strutucture so other attributes + * such as signing time etc are added later even if we add none here. + */ + if (!si->signedAttrs) { + si->signedAttrs = sk_X509_ATTRIBUTE_new_null(); + if (!si->signedAttrs) + goto merr; + } + + if (!(flags & CMS_NOSMIMECAP)) { + STACK_OF(X509_ALGOR) *smcap = NULL; + i = CMS_add_standard_smimecap(&smcap); + if (i) + i = CMS_add_smimecap(si, smcap); + sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free); + if (!i) + goto merr; + } + if (flags & CMS_REUSE_DIGEST) { + if (!cms_copy_messageDigest(cms, si)) + goto err; + if (!(flags & CMS_PARTIAL) && !CMS_SignerInfo_sign(si)) + goto err; + } + } + + if (!(flags & CMS_NOCERTS)) { + /* NB ignore -1 return for duplicate cert */ + if (!CMS_add1_cert(cms, signer)) + goto merr; + } + + if (!sd->signerInfos) + sd->signerInfos = sk_CMS_SignerInfo_new_null(); + if (!sd->signerInfos || !sk_CMS_SignerInfo_push(sd->signerInfos, si)) + goto merr; + + return si; + + merr: + CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE); + err: + if (si) + M_ASN1_free_of(si, CMS_SignerInfo); + return NULL; + +} static int cms_add1_signingTime(CMS_SignerInfo *si, ASN1_TIME *t) - { - ASN1_TIME *tt; - int r = 0; - if (t) - tt = t; - else - tt = X509_gmtime_adj(NULL, 0); +{ + ASN1_TIME *tt; + int r = 0; + if (t) + tt = t; + else + tt = X509_gmtime_adj(NULL, 0); - if (!tt) - goto merr; + if (!tt) + goto merr; - if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_signingTime, - tt->type, tt, -1) <= 0) - goto merr; + if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_signingTime, + tt->type, tt, -1) <= 0) + goto merr; - r = 1; + r = 1; - merr: + merr: - if (!t) - ASN1_TIME_free(tt); + if (!t) + ASN1_TIME_free(tt); - if (!r) - CMSerr(CMS_F_CMS_ADD1_SIGNINGTIME, ERR_R_MALLOC_FAILURE); + if (!r) + CMSerr(CMS_F_CMS_ADD1_SIGNINGTIME, ERR_R_MALLOC_FAILURE); - return r; + return r; - } +} STACK_OF(CMS_SignerInfo) *CMS_get0_SignerInfos(CMS_ContentInfo *cms) - { - CMS_SignedData *sd; - sd = cms_get0_signed(cms); - if (!sd) - return NULL; - return sd->signerInfos; - } +{ + CMS_SignedData *sd; + sd = cms_get0_signed(cms); + if (!sd) + return NULL; + return sd->signerInfos; +} STACK_OF(X509) *CMS_get0_signers(CMS_ContentInfo *cms) - { - STACK_OF(X509) *signers = NULL; - STACK_OF(CMS_SignerInfo) *sinfos; - CMS_SignerInfo *si; - int i; - sinfos = CMS_get0_SignerInfos(cms); - for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) - { - si = sk_CMS_SignerInfo_value(sinfos, i); - if (si->signer) - { - if (!signers) - { - signers = sk_X509_new_null(); - if (!signers) - return NULL; - } - if (!sk_X509_push(signers, si->signer)) - { - sk_X509_free(signers); - return NULL; - } - } - } - return signers; - } +{ + STACK_OF(X509) *signers = NULL; + STACK_OF(CMS_SignerInfo) *sinfos; + CMS_SignerInfo *si; + int i; + sinfos = CMS_get0_SignerInfos(cms); + for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { + si = sk_CMS_SignerInfo_value(sinfos, i); + if (si->signer) { + if (!signers) { + signers = sk_X509_new_null(); + if (!signers) + return NULL; + } + if (!sk_X509_push(signers, si->signer)) { + sk_X509_free(signers); + return NULL; + } + } + } + return signers; +} void CMS_SignerInfo_set1_signer_cert(CMS_SignerInfo *si, X509 *signer) - { - if (signer) - { - CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509); - if (si->pkey) - EVP_PKEY_free(si->pkey); - si->pkey = X509_get_pubkey(signer); - } - if (si->signer) - X509_free(si->signer); - si->signer = signer; - } +{ + if (signer) { + CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509); + if (si->pkey) + EVP_PKEY_free(si->pkey); + si->pkey = X509_get_pubkey(signer); + } + if (si->signer) + X509_free(si->signer); + si->signer = signer; +} int CMS_SignerInfo_get0_signer_id(CMS_SignerInfo *si, - ASN1_OCTET_STRING **keyid, - X509_NAME **issuer, ASN1_INTEGER **sno) - { - return cms_SignerIdentifier_get0_signer_id(si->sid, keyid, issuer, sno); - } + ASN1_OCTET_STRING **keyid, + X509_NAME **issuer, ASN1_INTEGER **sno) +{ + return cms_SignerIdentifier_get0_signer_id(si->sid, keyid, issuer, sno); +} int CMS_SignerInfo_cert_cmp(CMS_SignerInfo *si, X509 *cert) - { - return cms_SignerIdentifier_cert_cmp(si->sid, cert); - } +{ + return cms_SignerIdentifier_cert_cmp(si->sid, cert); +} int CMS_set1_signers_certs(CMS_ContentInfo *cms, STACK_OF(X509) *scerts, - unsigned int flags) - { - CMS_SignedData *sd; - CMS_SignerInfo *si; - CMS_CertificateChoices *cch; - STACK_OF(CMS_CertificateChoices) *certs; - X509 *x; - int i, j; - int ret = 0; - sd = cms_get0_signed(cms); - if (!sd) - return -1; - certs = sd->certificates; - for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) - { - si = sk_CMS_SignerInfo_value(sd->signerInfos, i); - if (si->signer) - continue; - - for (j = 0; j < sk_X509_num(scerts); j++) - { - x = sk_X509_value(scerts, j); - if (CMS_SignerInfo_cert_cmp(si, x) == 0) - { - CMS_SignerInfo_set1_signer_cert(si, x); - ret++; - break; - } - } - - if (si->signer || (flags & CMS_NOINTERN)) - continue; - - for (j = 0; j < sk_CMS_CertificateChoices_num(certs); j++) - { - cch = sk_CMS_CertificateChoices_value(certs, j); - if (cch->type != 0) - continue; - x = cch->d.certificate; - if (CMS_SignerInfo_cert_cmp(si, x) == 0) - { - CMS_SignerInfo_set1_signer_cert(si, x); - ret++; - break; - } - } - } - return ret; - } - -void CMS_SignerInfo_get0_algs(CMS_SignerInfo *si, EVP_PKEY **pk, X509 **signer, - X509_ALGOR **pdig, X509_ALGOR **psig) - { - if (pk) - *pk = si->pkey; - if (signer) - *signer = si->signer; - if (pdig) - *pdig = si->digestAlgorithm; - if (psig) - *psig = si->signatureAlgorithm; - } + unsigned int flags) +{ + CMS_SignedData *sd; + CMS_SignerInfo *si; + CMS_CertificateChoices *cch; + STACK_OF(CMS_CertificateChoices) *certs; + X509 *x; + int i, j; + int ret = 0; + sd = cms_get0_signed(cms); + if (!sd) + return -1; + certs = sd->certificates; + for (i = 0; i < sk_CMS_SignerInfo_num(sd->signerInfos); i++) { + si = sk_CMS_SignerInfo_value(sd->signerInfos, i); + if (si->signer) + continue; + + for (j = 0; j < sk_X509_num(scerts); j++) { + x = sk_X509_value(scerts, j); + if (CMS_SignerInfo_cert_cmp(si, x) == 0) { + CMS_SignerInfo_set1_signer_cert(si, x); + ret++; + break; + } + } + + if (si->signer || (flags & CMS_NOINTERN)) + continue; + + for (j = 0; j < sk_CMS_CertificateChoices_num(certs); j++) { + cch = sk_CMS_CertificateChoices_value(certs, j); + if (cch->type != 0) + continue; + x = cch->d.certificate; + if (CMS_SignerInfo_cert_cmp(si, x) == 0) { + CMS_SignerInfo_set1_signer_cert(si, x); + ret++; + break; + } + } + } + return ret; +} + +void CMS_SignerInfo_get0_algs(CMS_SignerInfo *si, EVP_PKEY **pk, + X509 **signer, X509_ALGOR **pdig, + X509_ALGOR **psig) +{ + if (pk) + *pk = si->pkey; + if (signer) + *signer = si->signer; + if (pdig) + *pdig = si->digestAlgorithm; + if (psig) + *psig = si->signatureAlgorithm; +} static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms, - CMS_SignerInfo *si, BIO *chain) - { - EVP_MD_CTX mctx; - int r = 0; - EVP_MD_CTX_init(&mctx); - - - if (!si->pkey) - { - CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_NO_PRIVATE_KEY); - return 0; - } - - if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm)) - goto err; - - /* If any signed attributes calculate and add messageDigest attribute */ - - if (CMS_signed_get_attr_count(si) >= 0) - { - ASN1_OBJECT *ctype = - cms->d.signedData->encapContentInfo->eContentType; - unsigned char md[EVP_MAX_MD_SIZE]; - unsigned int mdlen; - if (!EVP_DigestFinal_ex(&mctx, md, &mdlen)) - goto err; - if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, - V_ASN1_OCTET_STRING, - md, mdlen)) - goto err; - /* Copy content type across */ - if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType, - V_ASN1_OBJECT, ctype, -1) <= 0) - goto err; - if (!CMS_SignerInfo_sign(si)) - goto err; - } - else - { - unsigned char *sig; - unsigned int siglen; - sig = OPENSSL_malloc(EVP_PKEY_size(si->pkey)); - if (!sig) - { - CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, - ERR_R_MALLOC_FAILURE); - goto err; - } - if (!EVP_SignFinal(&mctx, sig, &siglen, si->pkey)) - { - CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, - CMS_R_SIGNFINAL_ERROR); - OPENSSL_free(sig); - goto err; - } - ASN1_STRING_set0(si->signature, sig, siglen); - } - - r = 1; - - err: - EVP_MD_CTX_cleanup(&mctx); - return r; - - } + CMS_SignerInfo *si, BIO *chain) +{ + EVP_MD_CTX mctx; + int r = 0; + EVP_MD_CTX_init(&mctx); + + if (!si->pkey) { + CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_NO_PRIVATE_KEY); + return 0; + } + + if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm)) + goto err; + + /* + * If any signed attributes calculate and add messageDigest attribute + */ + + if (CMS_signed_get_attr_count(si) >= 0) { + ASN1_OBJECT *ctype = + cms->d.signedData->encapContentInfo->eContentType; + unsigned char md[EVP_MAX_MD_SIZE]; + unsigned int mdlen; + if (!EVP_DigestFinal_ex(&mctx, md, &mdlen)) + goto err; + if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, + V_ASN1_OCTET_STRING, md, mdlen)) + goto err; + /* Copy content type across */ + if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType, + V_ASN1_OBJECT, ctype, -1) <= 0) + goto err; + if (!CMS_SignerInfo_sign(si)) + goto err; + } else { + unsigned char *sig; + unsigned int siglen; + sig = OPENSSL_malloc(EVP_PKEY_size(si->pkey)); + if (!sig) { + CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE); + goto err; + } + if (!EVP_SignFinal(&mctx, sig, &siglen, si->pkey)) { + CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_SIGNFINAL_ERROR); + OPENSSL_free(sig); + goto err; + } + ASN1_STRING_set0(si->signature, sig, siglen); + } + + r = 1; + + err: + EVP_MD_CTX_cleanup(&mctx); + return r; + +} int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain) - { - STACK_OF(CMS_SignerInfo) *sinfos; - CMS_SignerInfo *si; - int i; - sinfos = CMS_get0_SignerInfos(cms); - for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) - { - si = sk_CMS_SignerInfo_value(sinfos, i); - if (!cms_SignerInfo_content_sign(cms, si, chain)) - return 0; - } - cms->d.signedData->encapContentInfo->partial = 0; - return 1; - } +{ + STACK_OF(CMS_SignerInfo) *sinfos; + CMS_SignerInfo *si; + int i; + sinfos = CMS_get0_SignerInfos(cms); + for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) { + si = sk_CMS_SignerInfo_value(sinfos, i); + if (!cms_SignerInfo_content_sign(cms, si, chain)) + return 0; + } + cms->d.signedData->encapContentInfo->partial = 0; + return 1; +} int CMS_SignerInfo_sign(CMS_SignerInfo *si) - { - EVP_MD_CTX mctx; - EVP_PKEY_CTX *pctx; - unsigned char *abuf = NULL; - int alen; - size_t siglen; - const EVP_MD *md = NULL; - - md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm); - if (md == NULL) - return 0; - - EVP_MD_CTX_init(&mctx); - - if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) - { - if (!cms_add1_signingTime(si, NULL)) - goto err; - } - - if (EVP_DigestSignInit(&mctx, &pctx, md, NULL, si->pkey) <= 0) - goto err; - - if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN, - EVP_PKEY_CTRL_CMS_SIGN, 0, si) <= 0) - { - CMSerr(CMS_F_CMS_SIGNERINFO_SIGN, CMS_R_CTRL_ERROR); - goto err; - } - - alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs,&abuf, - ASN1_ITEM_rptr(CMS_Attributes_Sign)); - if(!abuf) - goto err; - if (EVP_DigestSignUpdate(&mctx, abuf, alen) <= 0) - goto err; - if (EVP_DigestSignFinal(&mctx, NULL, &siglen) <= 0) - goto err; - OPENSSL_free(abuf); - abuf = OPENSSL_malloc(siglen); - if(!abuf) - goto err; - if (EVP_DigestSignFinal(&mctx, abuf, &siglen) <= 0) - goto err; - - if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN, - EVP_PKEY_CTRL_CMS_SIGN, 1, si) <= 0) - { - CMSerr(CMS_F_CMS_SIGNERINFO_SIGN, CMS_R_CTRL_ERROR); - goto err; - } - - EVP_MD_CTX_cleanup(&mctx); - - ASN1_STRING_set0(si->signature, abuf, siglen); - - return 1; - - err: - if (abuf) - OPENSSL_free(abuf); - EVP_MD_CTX_cleanup(&mctx); - return 0; - - } +{ + EVP_MD_CTX mctx; + EVP_PKEY_CTX *pctx; + unsigned char *abuf = NULL; + int alen; + size_t siglen; + const EVP_MD *md = NULL; + + md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm); + if (md == NULL) + return 0; + + EVP_MD_CTX_init(&mctx); + + if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) { + if (!cms_add1_signingTime(si, NULL)) + goto err; + } + + if (EVP_DigestSignInit(&mctx, &pctx, md, NULL, si->pkey) <= 0) + goto err; + + if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN, + EVP_PKEY_CTRL_CMS_SIGN, 0, si) <= 0) { + CMSerr(CMS_F_CMS_SIGNERINFO_SIGN, CMS_R_CTRL_ERROR); + goto err; + } + + alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf, + ASN1_ITEM_rptr(CMS_Attributes_Sign)); + if (!abuf) + goto err; + if (EVP_DigestSignUpdate(&mctx, abuf, alen) <= 0) + goto err; + if (EVP_DigestSignFinal(&mctx, NULL, &siglen) <= 0) + goto err; + OPENSSL_free(abuf); + abuf = OPENSSL_malloc(siglen); + if (!abuf) + goto err; + if (EVP_DigestSignFinal(&mctx, abuf, &siglen) <= 0) + goto err; + + if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN, + EVP_PKEY_CTRL_CMS_SIGN, 1, si) <= 0) { + CMSerr(CMS_F_CMS_SIGNERINFO_SIGN, CMS_R_CTRL_ERROR); + goto err; + } + + EVP_MD_CTX_cleanup(&mctx); + + ASN1_STRING_set0(si->signature, abuf, siglen); + + return 1; + + err: + if (abuf) + OPENSSL_free(abuf); + EVP_MD_CTX_cleanup(&mctx); + return 0; + +} int CMS_SignerInfo_verify(CMS_SignerInfo *si) - { - EVP_MD_CTX mctx; - EVP_PKEY_CTX *pctx; - unsigned char *abuf = NULL; - int alen, r = -1; - const EVP_MD *md = NULL; - - if (!si->pkey) - { - CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_NO_PUBLIC_KEY); - return -1; - } - - md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm); - if (md == NULL) - return -1; - EVP_MD_CTX_init(&mctx); - if (EVP_DigestVerifyInit(&mctx, &pctx, md, NULL, si->pkey) <= 0) - goto err; - - alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs,&abuf, - ASN1_ITEM_rptr(CMS_Attributes_Verify)); - if(!abuf) - goto err; - r = EVP_DigestVerifyUpdate(&mctx, abuf, alen); - OPENSSL_free(abuf); - if (r <= 0) - { - r = -1; - goto err; - } - r = EVP_DigestVerifyFinal(&mctx, - si->signature->data, si->signature->length); - if (r <= 0) - CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_VERIFICATION_FAILURE); - err: - EVP_MD_CTX_cleanup(&mctx); - return r; - } +{ + EVP_MD_CTX mctx; + EVP_PKEY_CTX *pctx; + unsigned char *abuf = NULL; + int alen, r = -1; + const EVP_MD *md = NULL; + + if (!si->pkey) { + CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_NO_PUBLIC_KEY); + return -1; + } + + md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm); + if (md == NULL) + return -1; + EVP_MD_CTX_init(&mctx); + if (EVP_DigestVerifyInit(&mctx, &pctx, md, NULL, si->pkey) <= 0) + goto err; + + alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf, + ASN1_ITEM_rptr(CMS_Attributes_Verify)); + if (!abuf) + goto err; + r = EVP_DigestVerifyUpdate(&mctx, abuf, alen); + OPENSSL_free(abuf); + if (r <= 0) { + r = -1; + goto err; + } + r = EVP_DigestVerifyFinal(&mctx, + si->signature->data, si->signature->length); + if (r <= 0) + CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_VERIFICATION_FAILURE); + err: + EVP_MD_CTX_cleanup(&mctx); + return r; +} /* Create a chain of digest BIOs from a CMS ContentInfo */ BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms) - { - int i; - CMS_SignedData *sd; - BIO *chain = NULL; - sd = cms_get0_signed(cms); - if (!sd) - return NULL; - if (cms->d.signedData->encapContentInfo->partial) - cms_sd_set_version(sd); - for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) - { - X509_ALGOR *digestAlgorithm; - BIO *mdbio; - digestAlgorithm = sk_X509_ALGOR_value(sd->digestAlgorithms, i); - mdbio = cms_DigestAlgorithm_init_bio(digestAlgorithm); - if (!mdbio) - goto err; - if (chain) - BIO_push(chain, mdbio); - else - chain = mdbio; - } - return chain; - err: - if (chain) - BIO_free_all(chain); - return NULL; - } +{ + int i; + CMS_SignedData *sd; + BIO *chain = NULL; + sd = cms_get0_signed(cms); + if (!sd) + return NULL; + if (cms->d.signedData->encapContentInfo->partial) + cms_sd_set_version(sd); + for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) { + X509_ALGOR *digestAlgorithm; + BIO *mdbio; + digestAlgorithm = sk_X509_ALGOR_value(sd->digestAlgorithms, i); + mdbio = cms_DigestAlgorithm_init_bio(digestAlgorithm); + if (!mdbio) + goto err; + if (chain) + BIO_push(chain, mdbio); + else + chain = mdbio; + } + return chain; + err: + if (chain) + BIO_free_all(chain); + return NULL; +} int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain) - { - ASN1_OCTET_STRING *os = NULL; - EVP_MD_CTX mctx; - int r = -1; - EVP_MD_CTX_init(&mctx); - /* If we have any signed attributes look for messageDigest value */ - if (CMS_signed_get_attr_count(si) >= 0) - { - os = CMS_signed_get0_data_by_OBJ(si, - OBJ_nid2obj(NID_pkcs9_messageDigest), - -3, V_ASN1_OCTET_STRING); - if (!os) - { - CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, - CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE); - goto err; - } - } - - if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm)) - goto err; - - /* If messageDigest found compare it */ - - if (os) - { - unsigned char mval[EVP_MAX_MD_SIZE]; - unsigned int mlen; - if (EVP_DigestFinal_ex(&mctx, mval, &mlen) <= 0) - { - CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, - CMS_R_UNABLE_TO_FINALIZE_CONTEXT); - goto err; - } - if (mlen != (unsigned int)os->length) - { - CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, - CMS_R_MESSAGEDIGEST_ATTRIBUTE_WRONG_LENGTH); - goto err; - } - - if (memcmp(mval, os->data, mlen)) - { - CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, - CMS_R_VERIFICATION_FAILURE); - r = 0; - } - else - r = 1; - } - else - { - r = EVP_VerifyFinal(&mctx, si->signature->data, - si->signature->length, si->pkey); - if (r <= 0) - { - CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, - CMS_R_VERIFICATION_FAILURE); - r = 0; - } - } - - err: - EVP_MD_CTX_cleanup(&mctx); - return r; - - } +{ + ASN1_OCTET_STRING *os = NULL; + EVP_MD_CTX mctx; + int r = -1; + EVP_MD_CTX_init(&mctx); + /* If we have any signed attributes look for messageDigest value */ + if (CMS_signed_get_attr_count(si) >= 0) { + os = CMS_signed_get0_data_by_OBJ(si, + OBJ_nid2obj(NID_pkcs9_messageDigest), + -3, V_ASN1_OCTET_STRING); + if (!os) { + CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, + CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE); + goto err; + } + } + + if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm)) + goto err; + + /* If messageDigest found compare it */ + + if (os) { + unsigned char mval[EVP_MAX_MD_SIZE]; + unsigned int mlen; + if (EVP_DigestFinal_ex(&mctx, mval, &mlen) <= 0) { + CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, + CMS_R_UNABLE_TO_FINALIZE_CONTEXT); + goto err; + } + if (mlen != (unsigned int)os->length) { + CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, + CMS_R_MESSAGEDIGEST_ATTRIBUTE_WRONG_LENGTH); + goto err; + } + + if (memcmp(mval, os->data, mlen)) { + CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, + CMS_R_VERIFICATION_FAILURE); + r = 0; + } else + r = 1; + } else { + r = EVP_VerifyFinal(&mctx, si->signature->data, + si->signature->length, si->pkey); + if (r <= 0) { + CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, + CMS_R_VERIFICATION_FAILURE); + r = 0; + } + } + + err: + EVP_MD_CTX_cleanup(&mctx); + return r; + +} int CMS_add_smimecap(CMS_SignerInfo *si, STACK_OF(X509_ALGOR) *algs) - { - unsigned char *smder = NULL; - int smderlen, r; - smderlen = i2d_X509_ALGORS(algs, &smder); - if (smderlen <= 0) - return 0; - r = CMS_signed_add1_attr_by_NID(si, NID_SMIMECapabilities, - V_ASN1_SEQUENCE, smder, smderlen); - OPENSSL_free(smder); - return r; - } +{ + unsigned char *smder = NULL; + int smderlen, r; + smderlen = i2d_X509_ALGORS(algs, &smder); + if (smderlen <= 0) + return 0; + r = CMS_signed_add1_attr_by_NID(si, NID_SMIMECapabilities, + V_ASN1_SEQUENCE, smder, smderlen); + OPENSSL_free(smder); + return r; +} int CMS_add_simple_smimecap(STACK_OF(X509_ALGOR) **algs, - int algnid, int keysize) - { - X509_ALGOR *alg; - ASN1_INTEGER *key = NULL; - if (keysize > 0) - { - key = ASN1_INTEGER_new(); - if (!key || !ASN1_INTEGER_set(key, keysize)) - return 0; - } - alg = X509_ALGOR_new(); - if (!alg) - { - if (key) - ASN1_INTEGER_free(key); - return 0; - } - - X509_ALGOR_set0(alg, OBJ_nid2obj(algnid), - key ? V_ASN1_INTEGER : V_ASN1_UNDEF, key); - if (!*algs) - *algs = sk_X509_ALGOR_new_null(); - if (!*algs || !sk_X509_ALGOR_push(*algs, alg)) - { - X509_ALGOR_free(alg); - return 0; - } - return 1; - } + int algnid, int keysize) +{ + X509_ALGOR *alg; + ASN1_INTEGER *key = NULL; + if (keysize > 0) { + key = ASN1_INTEGER_new(); + if (!key || !ASN1_INTEGER_set(key, keysize)) + return 0; + } + alg = X509_ALGOR_new(); + if (!alg) { + if (key) + ASN1_INTEGER_free(key); + return 0; + } + + X509_ALGOR_set0(alg, OBJ_nid2obj(algnid), + key ? V_ASN1_INTEGER : V_ASN1_UNDEF, key); + if (!*algs) + *algs = sk_X509_ALGOR_new_null(); + if (!*algs || !sk_X509_ALGOR_push(*algs, alg)) { + X509_ALGOR_free(alg); + return 0; + } + return 1; +} /* Check to see if a cipher exists and if so add S/MIME capabilities */ static int cms_add_cipher_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg) - { - if (EVP_get_cipherbynid(nid)) - return CMS_add_simple_smimecap(sk, nid, arg); - return 1; - } +{ + if (EVP_get_cipherbynid(nid)) + return CMS_add_simple_smimecap(sk, nid, arg); + return 1; +} static int cms_add_digest_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg) - { - if (EVP_get_digestbynid(nid)) - return CMS_add_simple_smimecap(sk, nid, arg); - return 1; - } +{ + if (EVP_get_digestbynid(nid)) + return CMS_add_simple_smimecap(sk, nid, arg); + return 1; +} int CMS_add_standard_smimecap(STACK_OF(X509_ALGOR) **smcap) - { - if (!cms_add_cipher_smcap(smcap, NID_aes_256_cbc, -1) - || !cms_add_digest_smcap(smcap, NID_id_GostR3411_94, -1) - || !cms_add_cipher_smcap(smcap, NID_id_Gost28147_89, -1) - || !cms_add_cipher_smcap(smcap, NID_aes_192_cbc, -1) - || !cms_add_cipher_smcap(smcap, NID_aes_128_cbc, -1) - || !cms_add_cipher_smcap(smcap, NID_des_ede3_cbc, -1) - || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 128) - || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 64) - || !cms_add_cipher_smcap(smcap, NID_des_cbc, -1) - || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 40)) - return 0; - return 1; - } +{ + if (!cms_add_cipher_smcap(smcap, NID_aes_256_cbc, -1) + || !cms_add_digest_smcap(smcap, NID_id_GostR3411_94, -1) + || !cms_add_cipher_smcap(smcap, NID_id_Gost28147_89, -1) + || !cms_add_cipher_smcap(smcap, NID_aes_192_cbc, -1) + || !cms_add_cipher_smcap(smcap, NID_aes_128_cbc, -1) + || !cms_add_cipher_smcap(smcap, NID_des_ede3_cbc, -1) + || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 128) + || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 64) + || !cms_add_cipher_smcap(smcap, NID_des_cbc, -1) + || !cms_add_cipher_smcap(smcap, NID_rc2_cbc, 40)) + return 0; + return 1; +} |