1 /* $OpenBSD: p12_add.c,v 1.20 2022/09/11 17:30:13 tb Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
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
18 * distribution.
19 *
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/)"
24 *
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.
29 *
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.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
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 * ====================================================================
52 *
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).
56 *
57 */
58
59 #include <stdio.h>
60
61 #include <openssl/err.h>
62 #include <openssl/pkcs12.h>
63
64 #include "pkcs12_local.h"
65
66 /* Pack an object into an OCTET STRING and turn into a safebag */
67
68 PKCS12_SAFEBAG *
PKCS12_item_pack_safebag(void * obj,const ASN1_ITEM * it,int nid1,int nid2)69 PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1, int nid2)
70 {
71 PKCS12_BAGS *bag;
72 PKCS12_SAFEBAG *safebag;
73
74 if (!(bag = PKCS12_BAGS_new())) {
75 PKCS12error(ERR_R_MALLOC_FAILURE);
76 return NULL;
77 }
78 bag->type = OBJ_nid2obj(nid1);
79 if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
80 PKCS12error(ERR_R_MALLOC_FAILURE);
81 PKCS12_BAGS_free(bag);
82 return NULL;
83 }
84 if (!(safebag = PKCS12_SAFEBAG_new())) {
85 PKCS12error(ERR_R_MALLOC_FAILURE);
86 PKCS12_BAGS_free(bag);
87 return NULL;
88 }
89 safebag->value.bag = bag;
90 safebag->type = OBJ_nid2obj(nid2);
91 return safebag;
92 }
93
94 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
95 PKCS7 *
PKCS12_pack_p7data(STACK_OF (PKCS12_SAFEBAG)* sk)96 PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
97 {
98 PKCS7 *p7;
99
100 if (!(p7 = PKCS7_new())) {
101 PKCS12error(ERR_R_MALLOC_FAILURE);
102 return NULL;
103 }
104 p7->type = OBJ_nid2obj(NID_pkcs7_data);
105 if (!(p7->d.data = ASN1_OCTET_STRING_new())) {
106 PKCS12error(ERR_R_MALLOC_FAILURE);
107 goto err;
108 }
109
110 if (!ASN1_item_pack(sk, &PKCS12_SAFEBAGS_it, &p7->d.data)) {
111 PKCS12error(PKCS12_R_CANT_PACK_STRUCTURE);
112 goto err;
113 }
114 return p7;
115
116 err:
117 PKCS7_free(p7);
118 return NULL;
119 }
120
121 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
STACK_OF(PKCS12_SAFEBAG)122 STACK_OF(PKCS12_SAFEBAG) *
123 PKCS12_unpack_p7data(PKCS7 *p7)
124 {
125 if (!PKCS7_type_is_data(p7)) {
126 PKCS12error(PKCS12_R_CONTENT_TYPE_NOT_DATA);
127 return NULL;
128 }
129 return ASN1_item_unpack(p7->d.data, &PKCS12_SAFEBAGS_it);
130 }
131
132 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
133
134 PKCS7 *
PKCS12_pack_p7encdata(int pbe_nid,const char * pass,int passlen,unsigned char * salt,int saltlen,int iter,STACK_OF (PKCS12_SAFEBAG)* bags)135 PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
136 unsigned char *salt, int saltlen, int iter, STACK_OF(PKCS12_SAFEBAG) *bags)
137 {
138 PKCS7 *p7;
139 X509_ALGOR *pbe;
140 const EVP_CIPHER *pbe_ciph;
141
142 if (!(p7 = PKCS7_new())) {
143 PKCS12error(ERR_R_MALLOC_FAILURE);
144 return NULL;
145 }
146 if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
147 PKCS12error(PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
148 goto err;
149 }
150
151 pbe_ciph = EVP_get_cipherbynid(pbe_nid);
152
153 if (pbe_ciph)
154 pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen);
155 else
156 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
157
158 if (!pbe) {
159 PKCS12error(ERR_R_MALLOC_FAILURE);
160 goto err;
161 }
162 X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
163 p7->d.encrypted->enc_data->algorithm = pbe;
164 ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
165 if (!(p7->d.encrypted->enc_data->enc_data = PKCS12_item_i2d_encrypt(
166 pbe, &PKCS12_SAFEBAGS_it, pass, passlen, bags, 1))) {
167 PKCS12error(PKCS12_R_ENCRYPT_ERROR);
168 goto err;
169 }
170
171 return p7;
172
173 err:
174 PKCS7_free(p7);
175 return NULL;
176 }
177
STACK_OF(PKCS12_SAFEBAG)178 STACK_OF(PKCS12_SAFEBAG) *
179 PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen)
180 {
181 if (!PKCS7_type_is_encrypted(p7))
182 return NULL;
183 return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
184 &PKCS12_SAFEBAGS_it, pass, passlen,
185 p7->d.encrypted->enc_data->enc_data, 1);
186 }
187
188 PKCS8_PRIV_KEY_INFO *
PKCS12_decrypt_skey(const PKCS12_SAFEBAG * bag,const char * pass,int passlen)189 PKCS12_decrypt_skey(const PKCS12_SAFEBAG *bag, const char *pass, int passlen)
190 {
191 return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
192 }
193
194 int
PKCS12_pack_authsafes(PKCS12 * p12,STACK_OF (PKCS7)* safes)195 PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
196 {
197 if (ASN1_item_pack(safes, &PKCS12_AUTHSAFES_it,
198 &p12->authsafes->d.data))
199 return 1;
200 return 0;
201 }
202
STACK_OF(PKCS7)203 STACK_OF(PKCS7) *
204 PKCS12_unpack_authsafes(const PKCS12 *p12)
205 {
206 if (!PKCS7_type_is_data(p12->authsafes)) {
207 PKCS12error(PKCS12_R_CONTENT_TYPE_NOT_DATA);
208 return NULL;
209 }
210 return ASN1_item_unpack(p12->authsafes->d.data,
211 &PKCS12_AUTHSAFES_it);
212 }
213