-/* 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.
- *
- * 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/)"
+ * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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 "internal/cryptlib.h"
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);
X509_up_ref(signer);
+ EVP_PKEY_up_ref(pk);
si->pkey = pk;
si->signer = signer;
/* 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))
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;
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;
}
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))
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))
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) {
int CMS_SignerInfo_sign(CMS_SignerInfo *si)
{
EVP_MD_CTX *mctx = si->mctx;
- EVP_PKEY_CTX *pctx;
+ 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_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,
OPENSSL_free(abuf);
EVP_MD_CTX_reset(mctx);
return 0;
-
}
int CMS_SignerInfo_verify(CMS_SignerInfo *si)
return -1;
}
+ if (!CMS_si_check_attributes(si))
+ return -1;
+
md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm);
if (md == NULL)
return -1;
- if (si->mctx == NULL)
- si->mctx = EVP_MD_CTX_new();
+ 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;
projects / oweals / openssl.git / blobdiff