2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2001-2004 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/bio.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/pem.h>
65 #include <openssl/pkcs7.h>
66 #include <openssl/x509.h>
67 #include <openssl/err.h>
69 ASN1_ITEM_TEMPLATE(X509_ALGORS) =
70 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR)
71 ASN1_ITEM_TEMPLATE_END(X509_ALGORS)
73 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
76 if(!(seq = ASN1_STRING_new())) {
77 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
80 seq->length = ASN1_item_i2d((ASN1_VALUE *)cap,&seq->data,
81 ASN1_ITEM_rptr(X509_ALGORS));
82 return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
83 V_ASN1_SEQUENCE, seq);
86 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
89 const unsigned char *p;
91 cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
92 if (!cap || (cap->type != V_ASN1_SEQUENCE))
94 p = cap->value.sequence->data;
95 return (STACK_OF(X509_ALGOR) *)
96 ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
97 ASN1_ITEM_rptr(X509_ALGORS));
100 /* Basic smime-capabilities OID and optional integer arg */
101 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
105 if(!(alg = X509_ALGOR_new())) {
106 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
109 ASN1_OBJECT_free(alg->algorithm);
110 alg->algorithm = OBJ_nid2obj (nid);
113 if(!(alg->parameter = ASN1_TYPE_new())) {
114 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
117 if(!(nbit = ASN1_INTEGER_new())) {
118 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
121 if(!ASN1_INTEGER_set (nbit, arg)) {
122 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
125 alg->parameter->value.integer = nbit;
126 alg->parameter->type = V_ASN1_INTEGER;
128 sk_X509_ALGOR_push (sk, alg);
132 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
134 if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
137 coid = OBJ_nid2obj(NID_pkcs7_data);
138 return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
139 V_ASN1_OBJECT, coid);
142 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
144 if (!t && !(t=X509_gmtime_adj(NULL,0)))
146 PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME,
147 ERR_R_MALLOC_FAILURE);
150 return PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
154 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
155 const unsigned char *md, int mdlen)
157 ASN1_OCTET_STRING *os;
158 os = ASN1_OCTET_STRING_new();
161 if (!ASN1_STRING_set(os, md, mdlen)
162 || !PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
163 V_ASN1_OCTET_STRING, os))
165 ASN1_OCTET_STRING_free(os);