-/* crypto/cms/cms_sd.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * 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
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
+ * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/cms.h>
#include "cms_lcl.h"
#include "internal/asn1_int.h"
+#include "internal/evp_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) {
return cms_get0_signed(cms);
}
-/* Just initialize SignedData e.g. for certs only structure */
+/* Just initialise SignedData e.g. for certs only structure */
int CMS_SignedData_init(CMS_ContentInfo *cms)
{
}
+/*
+ * RFC 5652 Section 11.1 Content Type
+ * The content-type attribute within signed-data MUST
+ * 1) be present if there are signed attributes
+ * 2) match the content type in the signed-data,
+ * 3) be a signed attribute.
+ * 4) not have more than one copy of the attribute.
+ *
+ * Note that since the CMS_SignerInfo_sign() always adds the "signing time"
+ * attribute, the content type attribute MUST be added also.
+ * Assumptions: This assumes that the attribute does not already exist.
+ */
+static int cms_set_si_contentType_attr(CMS_ContentInfo *cms, CMS_SignerInfo *si)
+{
+ ASN1_OBJECT *ctype = cms->d.signedData->encapContentInfo->eContentType;
+
+ /* Add the contentType attribute */
+ return CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType,
+ V_ASN1_OBJECT, ctype, -1) > 0;
+}
+
/* Copy an existing messageDigest value */
static int cms_copy_messageDigest(CMS_ContentInfo *cms, CMS_SignerInfo *si)
si = M_ASN1_new_of(CMS_SignerInfo);
if (!si)
goto merr;
+ /* Call for side-effect of computing hash and caching extensions */
X509_check_purpose(signer, -1, -1);
- CRYPTO_add(&pk->references, 1, CRYPTO_LOCK_EVP_PKEY);
- CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509);
+ X509_up_ref(signer);
+ EVP_PKEY_up_ref(pk);
si->pkey = pk;
si->signer = signer;
- EVP_MD_CTX_init(&si->mctx);
+ si->mctx = EVP_MD_CTX_new();
si->pctx = NULL;
+ if (si->mctx == NULL) {
+ CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
if (flags & CMS_USE_KEYID) {
si->version = 3;
if (sd->version < 3)
/* See if digest is present in digestAlgorithms */
for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) {
- ASN1_OBJECT *aoid;
+ const 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))
if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) {
alg = X509_ALGOR_new();
- if (!alg)
+ if (alg == NULL)
goto merr;
X509_ALGOR_set_md(alg, md);
if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) {
goto err;
if (!(flags & CMS_NOATTR)) {
/*
- * Initialialize signed attributes strutucture so other attributes
+ * Initialize signed attributes structure so other attributes
* such as signing time etc are added later even if we add none here.
*/
if (!si->signedAttrs) {
if (!i)
goto merr;
}
+ if (flags & CMS_CADES) {
+ ESS_SIGNING_CERT *sc = NULL;
+ ESS_SIGNING_CERT_V2 *sc2 = NULL;
+ int add_sc;
+
+ if (md == EVP_sha1() || md == NULL) {
+ if ((sc = ESS_SIGNING_CERT_new_init(signer,
+ NULL, 1)) == NULL)
+ goto err;
+ add_sc = CMS_add1_signing_cert(si, sc);
+ ESS_SIGNING_CERT_free(sc);
+ } else {
+ if ((sc2 = ESS_SIGNING_CERT_V2_new_init(md, signer,
+ NULL, 1)) == NULL)
+ goto err;
+ add_sc = CMS_add1_signing_cert_v2(si, sc2);
+ ESS_SIGNING_CERT_V2_free(sc2);
+ }
+ if (!add_sc)
+ goto err;
+ }
if (flags & CMS_REUSE_DIGEST) {
if (!cms_copy_messageDigest(cms, si))
goto err;
+ if (!cms_set_si_contentType_attr(cms, si))
+ goto err;
if (!(flags & (CMS_PARTIAL | CMS_KEY_PARAM)) &&
!CMS_SignerInfo_sign(si))
goto err;
if (flags & CMS_KEY_PARAM) {
if (flags & CMS_NOATTR) {
si->pctx = EVP_PKEY_CTX_new(si->pkey, NULL);
- if (!si->pctx)
+ if (si->pctx == NULL)
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)
+ } else if (EVP_DigestSignInit(si->mctx, &si->pctx, md, NULL, pk) <= 0)
goto err;
}
merr:
CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
err:
- if (si)
- M_ASN1_free_of(si, CMS_SignerInfo);
+ M_ASN1_free_of(si, CMS_SignerInfo);
return NULL;
}
EVP_MD_CTX *CMS_SignerInfo_get0_md_ctx(CMS_SignerInfo *si)
{
- return &si->mctx;
+ return si->mctx;
}
STACK_OF(CMS_SignerInfo) *CMS_get0_SignerInfos(CMS_ContentInfo *cms)
void CMS_SignerInfo_set1_signer_cert(CMS_SignerInfo *si, X509 *signer)
{
if (signer) {
- CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509);
+ X509_up_ref(signer);
EVP_PKEY_free(si->pkey);
si->pkey = X509_get_pubkey(signer);
}
- if (si->signer)
- X509_free(si->signer);
+ X509_free(si->signer);
si->signer = signer;
}
static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,
CMS_SignerInfo *si, BIO *chain)
{
- EVP_MD_CTX mctx;
+ EVP_MD_CTX *mctx = EVP_MD_CTX_new();
int r = 0;
EVP_PKEY_CTX *pctx = NULL;
- EVP_MD_CTX_init(&mctx);
+
+ if (mctx == NULL) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
if (!si->pkey) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_NO_PRIVATE_KEY);
- return 0;
+ goto err;
}
- if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm))
+ if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))
goto err;
- /* Set SignerInfo algortihm details if we used custom parametsr */
+ /* Set SignerInfo algorithm details if we used custom parameter */
if (si->pctx && !cms_sd_asn1_ctrl(si, 0))
goto err;
*/
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))
+ 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)
+ if (!cms_set_si_contentType_attr(cms, si))
goto err;
+
if (!CMS_SignerInfo_sign(si))
goto err;
} else if (si->pctx) {
unsigned char md[EVP_MAX_MD_SIZE];
unsigned int mdlen;
pctx = si->pctx;
- if (!EVP_DigestFinal_ex(&mctx, md, &mdlen))
+ if (!EVP_DigestFinal_ex(mctx, md, &mdlen))
goto err;
siglen = EVP_PKEY_size(si->pkey);
sig = OPENSSL_malloc(siglen);
- if (!sig) {
+ if (sig == NULL) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
goto err;
}
unsigned char *sig;
unsigned int siglen;
sig = OPENSSL_malloc(EVP_PKEY_size(si->pkey));
- if (!sig) {
+ if (sig == NULL) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
goto err;
}
- if (!EVP_SignFinal(&mctx, sig, &siglen, si->pkey)) {
+ if (!EVP_SignFinal(mctx, sig, &siglen, si->pkey)) {
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_SIGNFINAL_ERROR);
OPENSSL_free(sig);
goto err;
r = 1;
err:
- EVP_MD_CTX_cleanup(&mctx);
+ EVP_MD_CTX_free(mctx);
EVP_PKEY_CTX_free(pctx);
return r;
int CMS_SignerInfo_sign(CMS_SignerInfo *si)
{
- EVP_MD_CTX *mctx = &si->mctx;
- EVP_PKEY_CTX *pctx;
+ EVP_MD_CTX *mctx = si->mctx;
+ EVP_PKEY_CTX *pctx = NULL;
unsigned char *abuf = NULL;
int alen;
size_t siglen;
goto err;
}
+ if (!CMS_si_check_attributes(si))
+ goto err;
+
if (si->pctx)
pctx = si->pctx;
else {
- EVP_MD_CTX_init(mctx);
+ EVP_MD_CTX_reset(mctx);
if (EVP_DigestSignInit(mctx, &pctx, md, NULL, si->pkey) <= 0)
goto err;
+ si->pctx = pctx;
}
if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
goto err;
OPENSSL_free(abuf);
abuf = OPENSSL_malloc(siglen);
- if (!abuf)
+ if (abuf == NULL)
goto err;
if (EVP_DigestSignFinal(mctx, abuf, &siglen) <= 0)
goto err;
goto err;
}
- EVP_MD_CTX_cleanup(mctx);
+ EVP_MD_CTX_reset(mctx);
ASN1_STRING_set0(si->signature, abuf, siglen);
return 1;
err:
- if (abuf)
- OPENSSL_free(abuf);
- EVP_MD_CTX_cleanup(mctx);
+ OPENSSL_free(abuf);
+ EVP_MD_CTX_reset(mctx);
return 0;
-
}
int CMS_SignerInfo_verify(CMS_SignerInfo *si)
{
- EVP_MD_CTX *mctx = &si->mctx;
+ EVP_MD_CTX *mctx = NULL;
unsigned char *abuf = NULL;
int alen, r = -1;
const EVP_MD *md = NULL;
return -1;
}
+ if (!CMS_si_check_attributes(si))
+ return -1;
+
md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm);
if (md == NULL)
return -1;
- EVP_MD_CTX_init(mctx);
+ if (si->mctx == NULL && (si->mctx = EVP_MD_CTX_new()) == NULL) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ mctx = si->mctx;
if (EVP_DigestVerifyInit(mctx, &si->pctx, md, NULL, si->pkey) <= 0)
goto err;
if (r <= 0)
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_VERIFICATION_FAILURE);
err:
- EVP_MD_CTX_cleanup(mctx);
+ EVP_MD_CTX_reset(mctx);
return r;
}
int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
{
ASN1_OCTET_STRING *os = NULL;
- EVP_MD_CTX mctx;
+ EVP_MD_CTX *mctx = EVP_MD_CTX_new();
EVP_PKEY_CTX *pkctx = NULL;
int r = -1;
unsigned char mval[EVP_MAX_MD_SIZE];
unsigned int mlen;
- EVP_MD_CTX_init(&mctx);
+
+ if (mctx == NULL) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
/* 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,
}
}
- if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm))
+ if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm))
goto err;
- if (EVP_DigestFinal_ex(&mctx, mval, &mlen) <= 0) {
+ if (EVP_DigestFinal_ex(mctx, mval, &mlen) <= 0) {
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
CMS_R_UNABLE_TO_FINALIZE_CONTEXT);
goto err;
} else
r = 1;
} else {
- const EVP_MD *md = EVP_MD_CTX_md(&mctx);
+ const EVP_MD *md = EVP_MD_CTX_md(mctx);
pkctx = EVP_PKEY_CTX_new(si->pkey, NULL);
+ if (pkctx == NULL)
+ goto err;
if (EVP_PKEY_verify_init(pkctx) <= 0)
goto err;
if (EVP_PKEY_CTX_set_signature_md(pkctx, md) <= 0)
err:
EVP_PKEY_CTX_free(pkctx);
- EVP_MD_CTX_cleanup(&mctx);
+ EVP_MD_CTX_free(mctx);
return r;
}
ASN1_INTEGER *key = NULL;
if (keysize > 0) {
key = ASN1_INTEGER_new();
- if (!key || !ASN1_INTEGER_set(key, keysize))
+ if (key == NULL || !ASN1_INTEGER_set(key, keysize))
return 0;
}
alg = X509_ALGOR_new();
- if (!alg) {
- if (key)
- ASN1_INTEGER_free(key);
+ if (alg == NULL) {
+ ASN1_INTEGER_free(key);
return 0;
}
X509_ALGOR_set0(alg, OBJ_nid2obj(algnid),
key ? V_ASN1_INTEGER : V_ASN1_UNDEF, key);
- if (!*algs)
+ if (*algs == NULL)
*algs = sk_X509_ALGOR_new_null();
- if (!*algs || !sk_X509_ALGOR_push(*algs, alg)) {
+ if (*algs == NULL || !sk_X509_ALGOR_push(*algs, alg)) {
X509_ALGOR_free(alg);
return 0;
}
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_2012_256, -1)
+ || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_512, -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)