1 /* $OpenBSD: pk7_attr.c,v 1.9 2014/06/29 17:05:36 jsing Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) 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/)"
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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
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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>
70 PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO
*si
, STACK_OF(X509_ALGOR
) *cap
)
73 if (!(seq
= ASN1_STRING_new())) {
74 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP
,
75 ERR_R_MALLOC_FAILURE
);
78 seq
->length
= ASN1_item_i2d((ASN1_VALUE
*)cap
, &seq
->data
,
79 ASN1_ITEM_rptr(X509_ALGORS
));
80 return PKCS7_add_signed_attribute(si
, NID_SMIMECapabilities
,
81 V_ASN1_SEQUENCE
, seq
);
84 STACK_OF(X509_ALGOR
) *
85 PKCS7_get_smimecap(PKCS7_SIGNER_INFO
*si
)
88 const unsigned char *p
;
90 cap
= PKCS7_get_signed_attribute(si
, NID_SMIMECapabilities
);
91 if (!cap
|| (cap
->type
!= V_ASN1_SEQUENCE
))
93 p
= cap
->value
.sequence
->data
;
94 return (STACK_OF(X509_ALGOR
) *)
95 ASN1_item_d2i(NULL
, &p
, cap
->value
.sequence
->length
,
96 ASN1_ITEM_rptr(X509_ALGORS
));
99 /* Basic smime-capabilities OID and optional integer arg */
101 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
);
114 if (!(alg
->parameter
= ASN1_TYPE_new()))
116 if (!(nbit
= ASN1_INTEGER_new()))
118 if (!ASN1_INTEGER_set(nbit
, arg
)) {
119 ASN1_INTEGER_free(nbit
);
122 alg
->parameter
->value
.integer
= nbit
;
123 alg
->parameter
->type
= V_ASN1_INTEGER
;
125 if (sk_X509_ALGOR_push(sk
, alg
) == 0)
130 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP
, ERR_R_MALLOC_FAILURE
);
131 X509_ALGOR_free(alg
);
136 PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO
*si
, ASN1_OBJECT
*coid
)
138 if (PKCS7_get_signed_attribute(si
, NID_pkcs9_contentType
))
141 coid
= OBJ_nid2obj(NID_pkcs7_data
);
142 return PKCS7_add_signed_attribute(si
, NID_pkcs9_contentType
,
143 V_ASN1_OBJECT
, coid
);
147 PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO
*si
, ASN1_TIME
*t
)
149 if (!t
&& !(t
= X509_gmtime_adj(NULL
, 0))) {
150 PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME
,
151 ERR_R_MALLOC_FAILURE
);
154 return PKCS7_add_signed_attribute(si
, NID_pkcs9_signingTime
,
159 PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO
*si
, const unsigned char *md
,
162 ASN1_OCTET_STRING
*os
;
164 os
= ASN1_OCTET_STRING_new();
167 if (!ASN1_STRING_set(os
, md
, mdlen
) ||
168 !PKCS7_add_signed_attribute(si
, NID_pkcs9_messageDigest
,
169 V_ASN1_OCTET_STRING
, os
)) {
170 ASN1_OCTET_STRING_free(os
);