/* 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.
*/
/* ====================================================================
* 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
#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/pem.h>
+#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/err.h>
#include <openssl/cms.h>
#include "cms_lcl.h"
-#include "asn1_locl.h"
+#include "internal/asn1_int.h"
/* CMS SignedData Utilities */
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
- sd->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:
+ if (!cms_set1_ias(&sid->d.issuerAndSerialNumber, cert))
+ return 0;
+ break;
+
+ case CMS_SIGNERINFO_KEYIDENTIFIER:
+ if (!cms_set1_keyid(&sid->d.subjectKeyIdentifier, cert))
+ return 0;
+ break;
+
+ default:
+ CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, CMS_R_UNKNOWN_ID);
+ return 0;
+ }
+
+ sid->type = type;
+
+ return 1;
+}
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;
- }
+{
+ if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL)
+ return cms_ias_cert_cmp(sid->d.issuerAndSerialNumber, cert);
+ else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER)
+ return cms_keyid_cert_cmp(sid->d.subjectKeyIdentifier, cert);
+ else
+ return -1;
+}
+
+static int cms_sd_asn1_ctrl(CMS_SignerInfo *si, int cmd)
+{
+ EVP_PKEY *pkey = si->pkey;
+ int i;
+ if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
+ return 1;
+ i = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_CMS_SIGN, cmd, si);
+ if (i == -2) {
+ CMSerr(CMS_F_CMS_SD_ASN1_CTRL, CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
+ return 0;
+ }
+ if (i <= 0) {
+ CMSerr(CMS_F_CMS_SD_ASN1_CTRL, CMS_R_CTRL_FAILURE);
+ return 0;
+ }
+ 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;
+ EVP_MD_CTX_init(&si->mctx);
+ si->pctx = NULL;
+
+ 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;
+ }
+
+ X509_ALGOR_set_md(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;
+ X509_ALGOR_set_md(alg, md);
+ if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) {
+ X509_ALGOR_free(alg);
+ goto merr;
+ }
+ }
+
+ if (!(flags & CMS_KEY_PARAM) && !cms_sd_asn1_ctrl(si, 0))
+ 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_KEY_PARAM)) &&
+ !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 (flags & CMS_KEY_PARAM) {
+ if (flags & CMS_NOATTR) {
+ si->pctx = EVP_PKEY_CTX_new(si->pkey, NULL);
+ if (!si->pctx)
+ goto err;
+ if (EVP_PKEY_sign_init(si->pctx) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_set_signature_md(si->pctx, md) <= 0)
+ goto err;
+ } else if (EVP_DigestSignInit(&si->mctx, &si->pctx, md, NULL, pk) <=
+ 0)
+ goto err;
+ }
+
+ 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:
+ 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;
+}
- }
+EVP_PKEY_CTX *CMS_SignerInfo_get0_pkey_ctx(CMS_SignerInfo *si)
+{
+ return si->pctx;
+}
+
+EVP_MD_CTX *CMS_SignerInfo_get0_md_ctx(CMS_SignerInfo *si)
+{
+ return &si->mctx;
+}
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);
+ 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;
+}
+
+ASN1_OCTET_STRING *CMS_SignerInfo_get0_signature(CMS_SignerInfo *si)
+{
+ return si->signature;
+}
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_PKEY_CTX *pctx = NULL;
+ 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;
+ /* Set SignerInfo algortihm details if we used custom parametsr */
+ if (si->pctx && !cms_sd_asn1_ctrl(si, 0))
+ 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 if (si->pctx) {
+ unsigned char *sig;
+ size_t siglen;
+ unsigned char md[EVP_MAX_MD_SIZE];
+ unsigned int mdlen;
+ pctx = si->pctx;
+ if (!EVP_DigestFinal_ex(&mctx, md, &mdlen))
+ goto err;
+ siglen = EVP_PKEY_size(si->pkey);
+ sig = OPENSSL_malloc(siglen);
+ if (!sig) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0) {
+ OPENSSL_free(sig);
+ goto err;
+ }
+ ASN1_STRING_set0(si->signature, sig, siglen);
+ } 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);
+ EVP_PKEY_CTX_free(pctx);
+ 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 = &si->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;
+
+ if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) {
+ if (!cms_add1_signingTime(si, NULL))
+ goto err;
+ }
+
+ if (si->pctx)
+ pctx = si->pctx;
+ else {
+ EVP_MD_CTX_init(mctx);
+ 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 = &si->mctx;
+ 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, &si->pctx, md, NULL, si->pkey) <= 0)
+ goto err;
+
+ if (!cms_sd_asn1_ctrl(si, 1))
+ 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:
+ 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;
+ EVP_PKEY_CTX *pkctx = NULL;
+ int r = -1;
+ unsigned char mval[EVP_MAX_MD_SIZE];
+ unsigned int mlen;
+ 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 (EVP_DigestFinal_ex(&mctx, mval, &mlen) <= 0) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
+ CMS_R_UNABLE_TO_FINALIZE_CONTEXT);
+ goto err;
+ }
+
+ /* If messageDigest found compare it */
+
+ if (os) {
+ 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 {
+ const EVP_MD *md = EVP_MD_CTX_md(&mctx);
+ pkctx = EVP_PKEY_CTX_new(si->pkey, NULL);
+ if (EVP_PKEY_verify_init(pkctx) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_set_signature_md(pkctx, md) <= 0)
+ goto err;
+ si->pctx = pkctx;
+ if (!cms_sd_asn1_ctrl(si, 1))
+ goto err;
+ r = EVP_PKEY_verify(pkctx, si->signature->data,
+ si->signature->length, mval, mlen);
+ if (r <= 0) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
+ CMS_R_VERIFICATION_FAILURE);
+ r = 0;
+ }
+ }
+
+ err:
+ EVP_PKEY_CTX_free(pkctx);
+ 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) {
+ 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;
+}
projects / openssl.git / blobdiff