p12_add.c revision 296465 
1/* p12_add.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 1999.
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#include "cryptlib.h"
62#include <openssl/pkcs12.h>
63
64/* Pack an object into an OCTET STRING and turn into a safebag */
65
66PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it,
67                                         int nid1, int nid2)
68{
69    PKCS12_BAGS *bag;
70    PKCS12_SAFEBAG *safebag;
71    if (!(bag = PKCS12_BAGS_new())) {
72        PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
73        return NULL;
74    }
75    bag->type = OBJ_nid2obj(nid1);
76    if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
77        PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
78        return NULL;
79    }
80    if (!(safebag = PKCS12_SAFEBAG_new())) {
81        PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
82        return NULL;
83    }
84    safebag->value.bag = bag;
85    safebag->type = OBJ_nid2obj(nid2);
86    return safebag;
87}
88
89/* Turn PKCS8 object into a keybag */
90
91PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)
92{
93    PKCS12_SAFEBAG *bag;
94    if (!(bag = PKCS12_SAFEBAG_new())) {
95        PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG, ERR_R_MALLOC_FAILURE);
96        return NULL;
97    }
98    bag->type = OBJ_nid2obj(NID_keyBag);
99    bag->value.keybag = p8;
100    return bag;
101}
102
103/* Turn PKCS8 object into a shrouded keybag */
104
105PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
106                                     int passlen, unsigned char *salt,
107                                     int saltlen, int iter,
108                                     PKCS8_PRIV_KEY_INFO *p8)
109{
110    PKCS12_SAFEBAG *bag;
111
112    /* Set up the safe bag */
113    if (!(bag = PKCS12_SAFEBAG_new())) {
114        PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
115        return NULL;
116    }
117
118    bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
119    if (!(bag->value.shkeybag =
120          PKCS8_encrypt(pbe_nid, NULL, pass, passlen, salt, saltlen, iter,
121                        p8))) {
122        PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
123        return NULL;
124    }
125
126    return bag;
127}
128
129/* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
130PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
131{
132    PKCS7 *p7;
133    if (!(p7 = PKCS7_new())) {
134        PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
135        return NULL;
136    }
137    p7->type = OBJ_nid2obj(NID_pkcs7_data);
138    if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
139        PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
140        return NULL;
141    }
142
143    if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
144        PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
145        return NULL;
146    }
147    return p7;
148}
149
150/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
151STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
152{
153    if (!PKCS7_type_is_data(p7)) {
154        PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,
155                  PKCS12_R_CONTENT_TYPE_NOT_DATA);
156        return NULL;
157    }
158    return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
159}
160
161/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
162
163PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
164                             unsigned char *salt, int saltlen, int iter,
165                             STACK_OF(PKCS12_SAFEBAG) *bags)
166{
167    PKCS7 *p7;
168    X509_ALGOR *pbe;
169    if (!(p7 = PKCS7_new())) {
170        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
171        return NULL;
172    }
173    if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
174        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
175                  PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
176        return NULL;
177    }
178    if (!(pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen))) {
179        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
180        return NULL;
181    }
182    X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
183    p7->d.encrypted->enc_data->algorithm = pbe;
184    M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
185    if (!(p7->d.encrypted->enc_data->enc_data =
186          PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass,
187                                  passlen, bags, 1))) {
188        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
189        return NULL;
190    }
191
192    return p7;
193}
194
195STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass,
196                                                  int passlen)
197{
198    if (!PKCS7_type_is_encrypted(p7))
199        return NULL;
200    return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
201                                   ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
202                                   pass, passlen,
203                                   p7->d.encrypted->enc_data->enc_data, 1);
204}
205
206PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag,
207                                         const char *pass, int passlen)
208{
209    return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
210}
211
212int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
213{
214    if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
215                       &p12->authsafes->d.data))
216        return 1;
217    return 0;
218}
219
220STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
221{
222    if (!PKCS7_type_is_data(p12->authsafes)) {
223        PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,
224                  PKCS12_R_CONTENT_TYPE_NOT_DATA);
225        return NULL;
226    }
227    return ASN1_item_unpack(p12->authsafes->d.data,
228                            ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
229}
230