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