p12_add.c revision e45f106cb6b47af1f21efe76e933bdea2f5dd1ca
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
110	/* Set up the safe bag */
111	if (!(bag = PKCS12_SAFEBAG_new())) {
112		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
113		return NULL;
114	}
115
116	bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
117	if (!(bag->value.shkeybag =
118	  PKCS8_encrypt(pbe_nid, NULL, pass, passlen, salt, saltlen, iter,
119									 p8))) {
120		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
121		return NULL;
122	}
123
124	return bag;
125}
126
127/* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
128PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
129{
130	PKCS7 *p7;
131	if (!(p7 = PKCS7_new())) {
132		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
133		return NULL;
134	}
135	p7->type = OBJ_nid2obj(NID_pkcs7_data);
136	if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
137		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
138		return NULL;
139	}
140
141	if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
142		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
143		return NULL;
144	}
145	return p7;
146}
147
148/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
149STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
150{
151	if(!PKCS7_type_is_data(p7))
152		{
153		PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,PKCS12_R_CONTENT_TYPE_NOT_DATA);
154		return NULL;
155		}
156	return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
157}
158
159/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
160
161PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
162			      unsigned char *salt, int saltlen, int iter,
163			      STACK_OF(PKCS12_SAFEBAG) *bags)
164{
165	PKCS7 *p7;
166	X509_ALGOR *pbe;
167	if (!(p7 = PKCS7_new())) {
168		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
169		return NULL;
170	}
171	if(!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
172		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
173				PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
174		return NULL;
175	}
176	if (!(pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen))) {
177		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
178		return NULL;
179	}
180	X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
181	p7->d.encrypted->enc_data->algorithm = pbe;
182	M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
183	if (!(p7->d.encrypted->enc_data->enc_data =
184	PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen,
185				 bags, 1))) {
186		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
187		return NULL;
188	}
189
190	return p7;
191}
192
193STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen)
194{
195	if(!PKCS7_type_is_encrypted(p7)) return NULL;
196	return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
197			           ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
198				   pass, passlen,
199			           p7->d.encrypted->enc_data->enc_data, 1);
200}
201
202PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass,
203								int passlen)
204{
205	return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
206}
207
208int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
209{
210	if(ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
211		&p12->authsafes->d.data))
212			return 1;
213	return 0;
214}
215
216STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
217{
218	if (!PKCS7_type_is_data(p12->authsafes))
219		{
220		PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,PKCS12_R_CONTENT_TYPE_NOT_DATA);
221		return NULL;
222		}
223	return ASN1_item_unpack(p12->authsafes->d.data, ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
224}
225