2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include <openssl/bio.h>
13 #include <openssl/asn1.h>
14 #include <openssl/asn1t.h>
15 #include <openssl/pem.h>
16 #include <openssl/pkcs7.h>
17 #include <openssl/x509.h>
18 #include <openssl/err.h>
20 DEFINE_STACK_OF(X509_ALGOR)
22 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
23 STACK_OF(X509_ALGOR) *cap)
27 if ((seq = ASN1_STRING_new()) == NULL) {
28 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP, ERR_R_MALLOC_FAILURE);
31 seq->length = ASN1_item_i2d((ASN1_VALUE *)cap, &seq->data,
32 ASN1_ITEM_rptr(X509_ALGORS));
33 return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
34 V_ASN1_SEQUENCE, seq);
37 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
40 const unsigned char *p;
42 cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
43 if (cap == NULL || (cap->type != V_ASN1_SEQUENCE))
45 p = cap->value.sequence->data;
46 return (STACK_OF(X509_ALGOR) *)
47 ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
48 ASN1_ITEM_rptr(X509_ALGORS));
51 /* Basic smime-capabilities OID and optional integer arg */
52 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
54 ASN1_INTEGER *nbit = NULL;
57 if ((alg = X509_ALGOR_new()) == NULL) {
58 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
61 ASN1_OBJECT_free(alg->algorithm);
62 alg->algorithm = OBJ_nid2obj(nid);
64 if ((alg->parameter = ASN1_TYPE_new()) == NULL) {
67 if ((nbit = ASN1_INTEGER_new()) == NULL) {
70 if (!ASN1_INTEGER_set(nbit, arg)) {
73 alg->parameter->value.integer = nbit;
74 alg->parameter->type = V_ASN1_INTEGER;
77 if (!sk_X509_ALGOR_push(sk, alg)) {
82 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
83 ASN1_INTEGER_free(nbit);
88 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
90 if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
93 coid = OBJ_nid2obj(NID_pkcs7_data);
94 return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
98 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
100 if (t == NULL && (t = X509_gmtime_adj(NULL, 0)) == NULL) {
101 PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME,
102 ERR_R_MALLOC_FAILURE);
105 return PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
109 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
110 const unsigned char *md, int mdlen)
112 ASN1_OCTET_STRING *os;
113 os = ASN1_OCTET_STRING_new();
116 if (!ASN1_STRING_set(os, md, mdlen)
117 || !PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
118 V_ASN1_OCTET_STRING, os)) {
119 ASN1_OCTET_STRING_free(os);