1/* p12_add.c */
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#include "cryptlib.h"
61#include <openssl/pkcs12.h>
62
63/* Pack an object into an OCTET STRING and turn into a safebag */
64
65PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1,
66	     int nid2)
67{
68	PKCS12_BAGS *bag;
69	PKCS12_SAFEBAG *safebag;
70	if (!(bag = PKCS12_BAGS_new())) {
71		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
72		return NULL;
73	}
74	bag->type = OBJ_nid2obj(nid1);
75	if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
76		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
77		return NULL;
78	}
79	if (!(safebag = PKCS12_SAFEBAG_new())) {
80		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
81		return NULL;
82	}
83	safebag->value.bag = bag;
84	safebag->type = OBJ_nid2obj(nid2);
85	return safebag;
86}
87
88/* Turn PKCS8 object into a keybag */
89
90PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)
91{
92	PKCS12_SAFEBAG *bag;
93	if (!(bag = PKCS12_SAFEBAG_new())) {
94		PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG,ERR_R_MALLOC_FAILURE);
95		return NULL;
96	}
97	bag->type = OBJ_nid2obj(NID_keyBag);
98	bag->value.keybag = p8;
99	return bag;
100}
101
102/* Turn PKCS8 object into a shrouded keybag */
103
104PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
105	     int passlen, unsigned char *salt, int saltlen, int iter,
106	     PKCS8_PRIV_KEY_INFO *p8)
107{
108	PKCS12_SAFEBAG *bag;
109	const EVP_CIPHER *pbe_ciph;
110
111	/* Set up the safe bag */
112	if (!(bag = PKCS12_SAFEBAG_new())) {
113		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
114		return NULL;
115	}
116
117	bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
118
119	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
120
121	if (pbe_ciph)
122		pbe_nid = -1;
123
124	if (!(bag->value.shkeybag =
125	  PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
126									 p8))) {
127		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
128		return NULL;
129	}
130
131	return bag;
132}
133
134/* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
135PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
136{
137	PKCS7 *p7;
138	if (!(p7 = PKCS7_new())) {
139		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
140		return NULL;
141	}
142	p7->type = OBJ_nid2obj(NID_pkcs7_data);
143	if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
144		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
145		return NULL;
146	}
147
148	if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
149		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
150		return NULL;
151	}
152	return p7;
153}
154
155/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
156STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
157{
158	if(!PKCS7_type_is_data(p7))
159		{
160		PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,PKCS12_R_CONTENT_TYPE_NOT_DATA);
161		return NULL;
162		}
163	return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
164}
165
166/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
167
168PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
169			      unsigned char *salt, int saltlen, int iter,
170			      STACK_OF(PKCS12_SAFEBAG) *bags)
171{
172	PKCS7 *p7;
173	X509_ALGOR *pbe;
174	const EVP_CIPHER *pbe_ciph;
175	if (!(p7 = PKCS7_new())) {
176		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
177		return NULL;
178	}
179	if(!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
180		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
181				PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
182		return NULL;
183	}
184
185	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
186
187	if (pbe_ciph)
188		pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen);
189	else
190		pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
191
192	if (!pbe) {
193		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
194		return NULL;
195	}
196	X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
197	p7->d.encrypted->enc_data->algorithm = pbe;
198	M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
199	if (!(p7->d.encrypted->enc_data->enc_data =
200	PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen,
201				 bags, 1))) {
202		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
203		return NULL;
204	}
205
206	return p7;
207}
208
209STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen)
210{
211	if(!PKCS7_type_is_encrypted(p7)) return NULL;
212	return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
213			           ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
214				   pass, passlen,
215			           p7->d.encrypted->enc_data->enc_data, 1);
216}
217
218PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass,
219								int passlen)
220{
221	return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
222}
223
224int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
225{
226	if(ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
227		&p12->authsafes->d.data))
228			return 1;
229	return 0;
230}
231
232STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
233{
234	if (!PKCS7_type_is_data(p12->authsafes))
235		{
236		PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,PKCS12_R_CONTENT_TYPE_NOT_DATA);
237		return NULL;
238		}
239	return ASN1_item_unpack(p12->authsafes->d.data, ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
240}
241