1/* $OpenBSD: p12_sbag.c,v 1.9 2024/03/24 06:48:03 tb Exp $ */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 1999-2018.
5 */
6/* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#include <stdio.h>
61
62#include <openssl/err.h>
63#include <openssl/pkcs12.h>
64
65#include "pkcs12_local.h"
66#include "x509_local.h"
67
68const ASN1_TYPE *
69PKCS12_SAFEBAG_get0_attr(const PKCS12_SAFEBAG *bag, int attr_nid)
70{
71	return PKCS12_get_attr_gen(bag->attrib, attr_nid);
72}
73LCRYPTO_ALIAS(PKCS12_SAFEBAG_get0_attr);
74
75ASN1_TYPE *
76PKCS8_get_attr(PKCS8_PRIV_KEY_INFO *p8, int attr_nid)
77{
78	return PKCS12_get_attr_gen(p8->attributes, attr_nid);
79}
80LCRYPTO_ALIAS(PKCS8_get_attr);
81
82const PKCS8_PRIV_KEY_INFO *
83PKCS12_SAFEBAG_get0_p8inf(const PKCS12_SAFEBAG *bag)
84{
85	if (PKCS12_SAFEBAG_get_nid(bag) != NID_keyBag)
86		return NULL;
87
88	return bag->value.keybag;
89}
90LCRYPTO_ALIAS(PKCS12_SAFEBAG_get0_p8inf);
91
92const X509_SIG *
93PKCS12_SAFEBAG_get0_pkcs8(const PKCS12_SAFEBAG *bag)
94{
95	if (PKCS12_SAFEBAG_get_nid(bag) != NID_pkcs8ShroudedKeyBag)
96		return NULL;
97
98	return bag->value.shkeybag;
99}
100LCRYPTO_ALIAS(PKCS12_SAFEBAG_get0_pkcs8);
101
102const STACK_OF(PKCS12_SAFEBAG) *
103PKCS12_SAFEBAG_get0_safes(const PKCS12_SAFEBAG *bag)
104{
105	if (PKCS12_SAFEBAG_get_nid(bag) != NID_safeContentsBag)
106		return NULL;
107
108	return bag->value.safes;
109}
110LCRYPTO_ALIAS(PKCS12_SAFEBAG_get0_safes);
111
112const ASN1_OBJECT *
113PKCS12_SAFEBAG_get0_type(const PKCS12_SAFEBAG *bag)
114{
115	return bag->type;
116}
117LCRYPTO_ALIAS(PKCS12_SAFEBAG_get0_type);
118
119int
120PKCS12_SAFEBAG_get_nid(const PKCS12_SAFEBAG *bag)
121{
122	return OBJ_obj2nid(bag->type);
123}
124LCRYPTO_ALIAS(PKCS12_SAFEBAG_get_nid);
125
126int
127PKCS12_SAFEBAG_get_bag_nid(const PKCS12_SAFEBAG *bag)
128{
129	int bag_type;
130
131	bag_type = PKCS12_SAFEBAG_get_nid(bag);
132
133	if (bag_type == NID_certBag || bag_type == NID_crlBag ||
134	    bag_type == NID_secretBag)
135		return OBJ_obj2nid(bag->value.bag->type);
136
137	return -1;
138}
139LCRYPTO_ALIAS(PKCS12_SAFEBAG_get_bag_nid);
140
141X509 *
142PKCS12_SAFEBAG_get1_cert(const PKCS12_SAFEBAG *bag)
143{
144	if (OBJ_obj2nid(bag->type) != NID_certBag)
145		return NULL;
146	if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Certificate)
147		return NULL;
148	return ASN1_item_unpack(bag->value.bag->value.octet, &X509_it);
149}
150LCRYPTO_ALIAS(PKCS12_SAFEBAG_get1_cert);
151
152X509_CRL *
153PKCS12_SAFEBAG_get1_crl(const PKCS12_SAFEBAG *bag)
154{
155	if (OBJ_obj2nid(bag->type) != NID_crlBag)
156		return NULL;
157	if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Crl)
158		return NULL;
159	return ASN1_item_unpack(bag->value.bag->value.octet, &X509_CRL_it);
160}
161LCRYPTO_ALIAS(PKCS12_SAFEBAG_get1_crl);
162
163PKCS12_SAFEBAG *
164PKCS12_SAFEBAG_create_cert(X509 *x509)
165{
166	return PKCS12_item_pack_safebag(x509, &X509_it,
167	    NID_x509Certificate, NID_certBag);
168}
169
170PKCS12_SAFEBAG *
171PKCS12_SAFEBAG_create_crl(X509_CRL *crl)
172{
173	return PKCS12_item_pack_safebag(crl, &X509_CRL_it,
174	    NID_x509Crl, NID_crlBag);
175}
176
177/* Turn PKCS8 object into a keybag */
178
179PKCS12_SAFEBAG *
180PKCS12_SAFEBAG_create0_p8inf(PKCS8_PRIV_KEY_INFO *p8)
181{
182	PKCS12_SAFEBAG *bag;
183
184	if ((bag = PKCS12_SAFEBAG_new()) == NULL) {
185		PKCS12error(ERR_R_MALLOC_FAILURE);
186		return NULL;
187	}
188
189	bag->type = OBJ_nid2obj(NID_keyBag);
190	bag->value.keybag = p8;
191
192	return bag;
193}
194
195/* Turn PKCS8 object into a shrouded keybag */
196
197PKCS12_SAFEBAG *
198PKCS12_SAFEBAG_create0_pkcs8(X509_SIG *p8)
199{
200	PKCS12_SAFEBAG *bag;
201
202	/* Set up the safe bag */
203	if ((bag = PKCS12_SAFEBAG_new()) == NULL) {
204		PKCS12error(ERR_R_MALLOC_FAILURE);
205		return NULL;
206	}
207
208	bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
209	bag->value.shkeybag = p8;
210
211	return bag;
212}
213
214PKCS12_SAFEBAG *
215PKCS12_SAFEBAG_create_pkcs8_encrypt(int pbe_nid, const char *pass, int passlen,
216    unsigned char *salt, int saltlen, int iter, PKCS8_PRIV_KEY_INFO *p8info)
217{
218	const EVP_CIPHER *pbe_ciph;
219	X509_SIG *p8;
220	PKCS12_SAFEBAG *bag;
221
222	if ((pbe_ciph = EVP_get_cipherbynid(pbe_nid)) != NULL)
223		pbe_nid = -1;
224
225	if ((p8 = PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen,
226	    iter, p8info)) == NULL)
227		return NULL;
228
229	if ((bag = PKCS12_SAFEBAG_create0_pkcs8(p8)) == NULL) {
230		X509_SIG_free(p8);
231		return NULL;
232	}
233
234	return bag;
235}
236