p12_add.c revision 291721 
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        goto err;
79    }
80    if (!(safebag = PKCS12_SAFEBAG_new())) {
81        PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
82        goto err;
83    }
84    safebag->value.bag = bag;
85    safebag->type = OBJ_nid2obj(nid2);
86    return safebag;
87
88 err:
89    PKCS12_BAGS_free(bag);
90    return NULL;
91}
92
93/* Turn PKCS8 object into a keybag */
94
95PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)
96{
97    PKCS12_SAFEBAG *bag;
98    if (!(bag = PKCS12_SAFEBAG_new())) {
99        PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG, ERR_R_MALLOC_FAILURE);
100        return NULL;
101    }
102    bag->type = OBJ_nid2obj(NID_keyBag);
103    bag->value.keybag = p8;
104    return bag;
105}
106
107/* Turn PKCS8 object into a shrouded keybag */
108
109PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
110                                     int passlen, unsigned char *salt,
111                                     int saltlen, int iter,
112                                     PKCS8_PRIV_KEY_INFO *p8)
113{
114    PKCS12_SAFEBAG *bag;
115    const EVP_CIPHER *pbe_ciph;
116
117    /* Set up the safe bag */
118    if (!(bag = PKCS12_SAFEBAG_new())) {
119        PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
120        return NULL;
121    }
122
123    bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
124
125    pbe_ciph = EVP_get_cipherbynid(pbe_nid);
126
127    if (pbe_ciph)
128        pbe_nid = -1;
129
130    if (!(bag->value.shkeybag =
131          PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
132                        p8))) {
133        PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
134        PKCS12_SAFEBAG_free(bag);
135        return NULL;
136    }
137
138    return bag;
139}
140
141/* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
142PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
143{
144    PKCS7 *p7;
145    if (!(p7 = PKCS7_new())) {
146        PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
147        return NULL;
148    }
149    p7->type = OBJ_nid2obj(NID_pkcs7_data);
150    if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
151        PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
152        goto err;
153    }
154
155    if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
156        PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
157        goto err;
158    }
159    return p7;
160
161 err:
162    PKCS7_free(p7);
163    return NULL;
164}
165
166/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
167STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
168{
169    if (!PKCS7_type_is_data(p7)) {
170        PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,
171                  PKCS12_R_CONTENT_TYPE_NOT_DATA);
172        return NULL;
173    }
174    return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
175}
176
177/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
178
179PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
180                             unsigned char *salt, int saltlen, int iter,
181                             STACK_OF(PKCS12_SAFEBAG) *bags)
182{
183    PKCS7 *p7;
184    X509_ALGOR *pbe;
185    const EVP_CIPHER *pbe_ciph;
186    if (!(p7 = PKCS7_new())) {
187        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
188        return NULL;
189    }
190    if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
191        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
192                  PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
193        goto err;
194    }
195
196    pbe_ciph = EVP_get_cipherbynid(pbe_nid);
197
198    if (pbe_ciph)
199        pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen);
200    else
201        pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
202
203    if (!pbe) {
204        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
205        goto err;
206    }
207    X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
208    p7->d.encrypted->enc_data->algorithm = pbe;
209    M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
210    if (!(p7->d.encrypted->enc_data->enc_data =
211          PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass,
212                                  passlen, bags, 1))) {
213        PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
214        goto err;
215    }
216
217    return p7;
218
219 err:
220    PKCS7_free(p7);
221    return NULL;
222}
223
224STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass,
225                                                  int passlen)
226{
227    if (!PKCS7_type_is_encrypted(p7))
228        return NULL;
229    return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
230                                   ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
231                                   pass, passlen,
232                                   p7->d.encrypted->enc_data->enc_data, 1);
233}
234
235PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag,
236                                         const char *pass, int passlen)
237{
238    return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
239}
240
241int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
242{
243    if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
244                       &p12->authsafes->d.data))
245        return 1;
246    return 0;
247}
248
249STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
250{
251    if (!PKCS7_type_is_data(p12->authsafes)) {
252        PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,
253                  PKCS12_R_CONTENT_TYPE_NOT_DATA);
254        return NULL;
255    }
256    return ASN1_item_unpack(p12->authsafes->d.data,
257                            ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
258}
259