1 /* p12_crt.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5 /* ====================================================================
6 * Copyright (c) 1999-2002 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
64 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag);
65
copy_bag_attr(PKCS12_SAFEBAG * bag,EVP_PKEY * pkey,int nid)66 static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid)
67 {
68 int idx;
69 X509_ATTRIBUTE *attr;
70 idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1);
71 if (idx < 0)
72 return 1;
73 attr = EVP_PKEY_get_attr(pkey, idx);
74 if (!X509at_add1_attr(&bag->attrib, attr))
75 return 0;
76 return 1;
77 }
78
PKCS12_create(char * pass,char * name,EVP_PKEY * pkey,X509 * cert,STACK_OF (X509)* ca,int nid_key,int nid_cert,int iter,int mac_iter,int keytype)79 PKCS12 *PKCS12_create(char *pass, char *name, EVP_PKEY *pkey, X509 *cert,
80 STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, int mac_iter,
81 int keytype)
82 {
83 PKCS12 *p12 = NULL;
84 STACK_OF(PKCS7) *safes = NULL;
85 STACK_OF(PKCS12_SAFEBAG) *bags = NULL;
86 PKCS12_SAFEBAG *bag = NULL;
87 int i;
88 unsigned char keyid[EVP_MAX_MD_SIZE];
89 unsigned int keyidlen = 0;
90
91 /* Set defaults */
92 if (!nid_cert)
93 nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC;
94 if (!nid_key)
95 nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
96 if (!iter)
97 iter = PKCS12_DEFAULT_ITER;
98 if (!mac_iter)
99 mac_iter = 1;
100
101 if(!pkey && !cert && !ca)
102 {
103 PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT);
104 return NULL;
105 }
106
107 if (pkey && cert)
108 {
109 if(!X509_check_private_key(cert, pkey))
110 return NULL;
111 X509_digest(cert, EVP_sha1(), keyid, &keyidlen);
112 }
113
114 if (cert)
115 {
116 bag = PKCS12_add_cert(&bags, cert);
117 if(name && !PKCS12_add_friendlyname(bag, name, -1))
118 goto err;
119 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
120 goto err;
121 }
122
123 /* Add all other certificates */
124 for(i = 0; i < sk_X509_num(ca); i++)
125 {
126 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i)))
127 goto err;
128 }
129
130 if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass))
131 goto err;
132
133 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
134 bags = NULL;
135
136 if (pkey)
137 {
138 bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass);
139
140 if (!bag)
141 goto err;
142
143 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name))
144 goto err;
145 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet))
146 goto err;
147
148 if(name && !PKCS12_add_friendlyname(bag, name, -1))
149 goto err;
150 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
151 goto err;
152 }
153
154 if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL))
155 goto err;
156
157 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
158 bags = NULL;
159
160 p12 = PKCS12_add_safes(safes, 0);
161
162 if (!p12)
163 goto err;
164
165 sk_PKCS7_pop_free(safes, PKCS7_free);
166
167 safes = NULL;
168
169 if ((mac_iter != -1) &&
170 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL))
171 goto err;
172
173 return p12;
174
175 err:
176
177 if (p12)
178 PKCS12_free(p12);
179 if (safes)
180 sk_PKCS7_pop_free(safes, PKCS7_free);
181 if (bags)
182 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
183 return NULL;
184
185 }
186
PKCS12_add_cert(STACK_OF (PKCS12_SAFEBAG)** pbags,X509 * cert)187 PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)
188 {
189 PKCS12_SAFEBAG *bag = NULL;
190 char *name;
191 int namelen = -1;
192 unsigned char *keyid;
193 int keyidlen = -1;
194
195 /* Add user certificate */
196 if(!(bag = PKCS12_x5092certbag(cert)))
197 goto err;
198
199 /* Use friendlyName and localKeyID in certificate.
200 * (if present)
201 */
202
203 name = (char *)X509_alias_get0(cert, &namelen);
204
205 if(name && !PKCS12_add_friendlyname(bag, name, namelen))
206 goto err;
207
208 keyid = X509_keyid_get0(cert, &keyidlen);
209
210 if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
211 goto err;
212
213 if (!pkcs12_add_bag(pbags, bag))
214 goto err;
215
216 return bag;
217
218 err:
219
220 if (bag)
221 PKCS12_SAFEBAG_free(bag);
222
223 return NULL;
224
225 }
226
PKCS12_add_key(STACK_OF (PKCS12_SAFEBAG)** pbags,EVP_PKEY * key,int key_usage,int iter,int nid_key,char * pass)227 PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key,
228 int key_usage, int iter,
229 int nid_key, char *pass)
230 {
231
232 PKCS12_SAFEBAG *bag = NULL;
233 PKCS8_PRIV_KEY_INFO *p8 = NULL;
234
235 /* Make a PKCS#8 structure */
236 if(!(p8 = EVP_PKEY2PKCS8(key)))
237 goto err;
238 if(key_usage && !PKCS8_add_keyusage(p8, key_usage))
239 goto err;
240 if (nid_key != -1)
241 {
242 bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8);
243 PKCS8_PRIV_KEY_INFO_free(p8);
244 }
245 else
246 bag = PKCS12_MAKE_KEYBAG(p8);
247
248 if(!bag)
249 goto err;
250
251 if (!pkcs12_add_bag(pbags, bag))
252 goto err;
253
254 return bag;
255
256 err:
257
258 if (bag)
259 PKCS12_SAFEBAG_free(bag);
260
261 return NULL;
262
263 }
264
PKCS12_add_safe(STACK_OF (PKCS7)** psafes,STACK_OF (PKCS12_SAFEBAG)* bags,int nid_safe,int iter,char * pass)265 int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
266 int nid_safe, int iter, char *pass)
267 {
268 PKCS7 *p7 = NULL;
269 int free_safes = 0;
270
271 if (!*psafes)
272 {
273 *psafes = sk_PKCS7_new_null();
274 if (!*psafes)
275 return 0;
276 free_safes = 1;
277 }
278 else
279 free_safes = 0;
280
281 if (nid_safe == 0)
282 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;
283
284 if (nid_safe == -1)
285 p7 = PKCS12_pack_p7data(bags);
286 else
287 p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0,
288 iter, bags);
289 if (!p7)
290 goto err;
291
292 if (!sk_PKCS7_push(*psafes, p7))
293 goto err;
294
295 return 1;
296
297 err:
298 if (free_safes)
299 {
300 sk_PKCS7_free(*psafes);
301 *psafes = NULL;
302 }
303
304 if (p7)
305 PKCS7_free(p7);
306
307 return 0;
308
309 }
310
pkcs12_add_bag(STACK_OF (PKCS12_SAFEBAG)** pbags,PKCS12_SAFEBAG * bag)311 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag)
312 {
313 int free_bags;
314 if (!pbags)
315 return 1;
316 if (!*pbags)
317 {
318 *pbags = sk_PKCS12_SAFEBAG_new_null();
319 if (!*pbags)
320 return 0;
321 free_bags = 1;
322 }
323 else
324 free_bags = 0;
325
326 if (!sk_PKCS12_SAFEBAG_push(*pbags, bag))
327 {
328 if (free_bags)
329 {
330 sk_PKCS12_SAFEBAG_free(*pbags);
331 *pbags = NULL;
332 }
333 return 0;
334 }
335
336 return 1;
337
338 }
339
340
PKCS12_add_safes(STACK_OF (PKCS7)* safes,int nid_p7)341 PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)
342 {
343 PKCS12 *p12;
344 if (nid_p7 <= 0)
345 nid_p7 = NID_pkcs7_data;
346 p12 = PKCS12_init(nid_p7);
347
348 if (!p12)
349 return NULL;
350
351 if(!PKCS12_pack_authsafes(p12, safes))
352 {
353 PKCS12_free(p12);
354 return NULL;
355 }
356
357 return p12;
358
359 }
360