2 * Copyright 1999-2020 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 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
21 STACK_OF(X509_ALGOR) *cap)
25 if ((seq = ASN1_STRING_new()) == NULL) {
26 ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
29 seq->length = ASN1_item_i2d((ASN1_VALUE *)cap, &seq->data,
30 ASN1_ITEM_rptr(X509_ALGORS));
31 if (!PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
32 V_ASN1_SEQUENCE, seq)) {
33 ASN1_STRING_free(seq);
39 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
42 const unsigned char *p;
44 cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
45 if (cap == NULL || (cap->type != V_ASN1_SEQUENCE))
47 p = cap->value.sequence->data;
48 return (STACK_OF(X509_ALGOR) *)
49 ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
50 ASN1_ITEM_rptr(X509_ALGORS));
53 /* Basic smime-capabilities OID and optional integer arg */
54 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
56 ASN1_INTEGER *nbit = NULL;
59 if ((alg = X509_ALGOR_new()) == NULL) {
60 ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
63 ASN1_OBJECT_free(alg->algorithm);
64 alg->algorithm = OBJ_nid2obj(nid);
66 if ((alg->parameter = ASN1_TYPE_new()) == NULL) {
67 ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
70 if ((nbit = ASN1_INTEGER_new()) == NULL) {
71 ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
74 if (!ASN1_INTEGER_set(nbit, arg)) {
75 ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
78 alg->parameter->value.integer = nbit;
79 alg->parameter->type = V_ASN1_INTEGER;
82 if (!sk_X509_ALGOR_push(sk, alg)) {
83 ERR_raise(ERR_LIB_PKCS7, ERR_R_CRYPTO_LIB);
88 ASN1_INTEGER_free(nbit);
93 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
95 if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
98 coid = OBJ_nid2obj(NID_pkcs7_data);
99 return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
100 V_ASN1_OBJECT, coid);
103 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
105 ASN1_TIME *tmp = NULL;
107 if (t == NULL && (tmp = t = X509_gmtime_adj(NULL, 0)) == NULL) {
108 ERR_raise(ERR_LIB_PKCS7, ERR_R_X509_LIB);
111 if (!PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
112 V_ASN1_UTCTIME, t)) {
119 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
120 const unsigned char *md, int mdlen)
122 ASN1_OCTET_STRING *os;
123 os = ASN1_OCTET_STRING_new();
126 if (!ASN1_STRING_set(os, md, mdlen)
127 || !PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
128 V_ASN1_OCTET_STRING, os)) {
129 ASN1_OCTET_STRING_free(os);