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source: vbox/trunk/src/libs/openssl-3.0.1/crypto/pkcs12/p12_crt.c@ 94082

Last change on this file since 94082 was 94082, checked in by vboxsync, 3 years ago

libs/openssl-3.0.1: started applying and adjusting our OpenSSL changes to 3.0.1. bugref:10128
File size: 8.7 KB
Line 
1/*
2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/pkcs12.h>
13#include "p12_local.h"
14
15static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
16 PKCS12_SAFEBAG *bag);
17
18static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid)
19{
20 int idx;
21 X509_ATTRIBUTE *attr;
22 idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1);
23 if (idx < 0)
24 return 1;
25 attr = EVP_PKEY_get_attr(pkey, idx);
26 if (!X509at_add1_attr(&bag->attrib, attr))
27 return 0;
28 return 1;
29}
30
31PKCS12 *PKCS12_create_ex(const char *pass, const char *name, EVP_PKEY *pkey,
32 X509 *cert, STACK_OF(X509) *ca, int nid_key, int nid_cert,
33 int iter, int mac_iter, int keytype,
34 OSSL_LIB_CTX *ctx, const char *propq)
35{
36 PKCS12 *p12 = NULL;
37 STACK_OF(PKCS7) *safes = NULL;
38 STACK_OF(PKCS12_SAFEBAG) *bags = NULL;
39 PKCS12_SAFEBAG *bag = NULL;
40 int i;
41 unsigned char keyid[EVP_MAX_MD_SIZE];
42 unsigned int keyidlen = 0;
43
44 /* Set defaults */
45 if (nid_cert == NID_undef)
46 nid_cert = NID_aes_256_cbc;
47 if (nid_key == NID_undef)
48 nid_key = NID_aes_256_cbc;
49 if (!iter)
50 iter = PKCS12_DEFAULT_ITER;
51 if (!mac_iter)
52 mac_iter = PKCS12_DEFAULT_ITER;
53
54 if (pkey == NULL && cert == NULL && ca == NULL) {
55 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_NULL_ARGUMENT);
56 return NULL;
57 }
58
59 if (pkey && cert) {
60 if (!X509_check_private_key(cert, pkey))
61 return NULL;
62 if (!X509_digest(cert, EVP_sha1(), keyid, &keyidlen))
63 return NULL;
64 }
65
66 if (cert) {
67 bag = PKCS12_add_cert(&bags, cert);
68 if (name && !PKCS12_add_friendlyname(bag, name, -1))
69 goto err;
70 if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
71 goto err;
72 }
73
74 /* Add all other certificates */
75 for (i = 0; i < sk_X509_num(ca); i++) {
76 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i)))
77 goto err;
78 }
79
80 if (bags && !PKCS12_add_safe_ex(&safes, bags, nid_cert, iter, pass,
81 ctx, propq))
82 goto err;
83
84 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
85 bags = NULL;
86
87 if (pkey) {
88 bag = PKCS12_add_key_ex(&bags, pkey, keytype, iter, nid_key, pass,
89 ctx, propq);
90
91 if (!bag)
92 goto err;
93
94 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name))
95 goto err;
96 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet))
97 goto err;
98
99 if (name && !PKCS12_add_friendlyname(bag, name, -1))
100 goto err;
101 if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
102 goto err;
103 }
104
105 if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL))
106 goto err;
107
108 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
109 bags = NULL;
110
111 p12 = PKCS12_add_safes_ex(safes, 0, ctx, propq);
112
113 if (p12 == NULL)
114 goto err;
115
116 sk_PKCS7_pop_free(safes, PKCS7_free);
117
118 safes = NULL;
119
120 if ((mac_iter != -1) &&
121 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL))
122 goto err;
123
124 return p12;
125
126 err:
127 PKCS12_free(p12);
128 sk_PKCS7_pop_free(safes, PKCS7_free);
129 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
130 return NULL;
131
132}
133
134PKCS12 *PKCS12_create(const char *pass, const char *name, EVP_PKEY *pkey, X509 *cert,
135 STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter,
136 int mac_iter, int keytype)
137{
138 return PKCS12_create_ex(pass, name, pkey, cert, ca, nid_key, nid_cert,
139 iter, mac_iter, keytype, NULL, NULL);
140}
141
142PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)
143{
144 PKCS12_SAFEBAG *bag = NULL;
145 char *name;
146 int namelen = -1;
147 unsigned char *keyid;
148 int keyidlen = -1;
149
150 /* Add user certificate */
151 if ((bag = PKCS12_SAFEBAG_create_cert(cert)) == NULL)
152 goto err;
153
154 /*
155 * Use friendlyName and localKeyID in certificate. (if present)
156 */
157
158 name = (char *)X509_alias_get0(cert, &namelen);
159
160 if (name && !PKCS12_add_friendlyname(bag, name, namelen))
161 goto err;
162
163 keyid = X509_keyid_get0(cert, &keyidlen);
164
165 if (keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
166 goto err;
167
168 if (!pkcs12_add_bag(pbags, bag))
169 goto err;
170
171 return bag;
172
173 err:
174 PKCS12_SAFEBAG_free(bag);
175 return NULL;
176
177}
178
179PKCS12_SAFEBAG *PKCS12_add_key_ex(STACK_OF(PKCS12_SAFEBAG) **pbags,
180 EVP_PKEY *key, int key_usage, int iter,
181 int nid_key, const char *pass,
182 OSSL_LIB_CTX *ctx, const char *propq)
183{
184
185 PKCS12_SAFEBAG *bag = NULL;
186 PKCS8_PRIV_KEY_INFO *p8 = NULL;
187
188 /* Make a PKCS#8 structure */
189 if ((p8 = EVP_PKEY2PKCS8(key)) == NULL)
190 goto err;
191 if (key_usage && !PKCS8_add_keyusage(p8, key_usage))
192 goto err;
193 if (nid_key != -1) {
194 bag = PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(nid_key, pass, -1, NULL, 0,
195 iter, p8, ctx, propq);
196 PKCS8_PRIV_KEY_INFO_free(p8);
197 } else
198 bag = PKCS12_SAFEBAG_create0_p8inf(p8);
199
200 if (!bag)
201 goto err;
202
203 if (!pkcs12_add_bag(pbags, bag))
204 goto err;
205
206 return bag;
207
208 err:
209 PKCS12_SAFEBAG_free(bag);
210 return NULL;
211
212}
213
214PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags,
215 EVP_PKEY *key, int key_usage, int iter,
216 int nid_key, const char *pass)
217{
218 return PKCS12_add_key_ex(pbags, key, key_usage, iter, nid_key, pass,
219 NULL, NULL);
220}
221
222PKCS12_SAFEBAG *PKCS12_add_secret(STACK_OF(PKCS12_SAFEBAG) **pbags,
223 int nid_type, const unsigned char *value, int len)
224{
225 PKCS12_SAFEBAG *bag = NULL;
226
227 /* Add secret, storing the value as an octet string */
228 if ((bag = PKCS12_SAFEBAG_create_secret(nid_type, V_ASN1_OCTET_STRING, value, len)) == NULL)
229 goto err;
230
231 if (!pkcs12_add_bag(pbags, bag))
232 goto err;
233
234 return bag;
235 err:
236 PKCS12_SAFEBAG_free(bag);
237 return NULL;
238}
239
240int PKCS12_add_safe_ex(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
241 int nid_safe, int iter, const char *pass,
242 OSSL_LIB_CTX *ctx, const char *propq)
243{
244 PKCS7 *p7 = NULL;
245 int free_safes = 0;
246
247 if (*psafes == NULL) {
248 *psafes = sk_PKCS7_new_null();
249 if (*psafes == NULL)
250 return 0;
251 free_safes = 1;
252 }
253
254 if (nid_safe == 0)
255#ifdef OPENSSL_NO_RC2
256 nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
257#else
258 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;
259#endif
260
261 if (nid_safe == -1)
262 p7 = PKCS12_pack_p7data(bags);
263 else
264 p7 = PKCS12_pack_p7encdata_ex(nid_safe, pass, -1, NULL, 0, iter, bags, ctx, propq);
265 if (p7 == NULL)
266 goto err;
267
268 if (!sk_PKCS7_push(*psafes, p7))
269 goto err;
270
271 return 1;
272
273 err:
274 if (free_safes) {
275 sk_PKCS7_free(*psafes);
276 *psafes = NULL;
277 }
278 PKCS7_free(p7);
279 return 0;
280}
281
282int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
283 int nid_safe, int iter, const char *pass)
284{
285 return PKCS12_add_safe_ex(psafes, bags, nid_safe, iter, pass, NULL, NULL);
286}
287
288static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
289 PKCS12_SAFEBAG *bag)
290{
291 int free_bags = 0;
292
293 if (pbags == NULL)
294 return 1;
295 if (*pbags == NULL) {
296 *pbags = sk_PKCS12_SAFEBAG_new_null();
297 if (*pbags == NULL)
298 return 0;
299 free_bags = 1;
300 }
301
302 if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) {
303 if (free_bags) {
304 sk_PKCS12_SAFEBAG_free(*pbags);
305 *pbags = NULL;
306 }
307 return 0;
308 }
309
310 return 1;
311
312}
313
314PKCS12 *PKCS12_add_safes_ex(STACK_OF(PKCS7) *safes, int nid_p7,
315 OSSL_LIB_CTX *ctx, const char *propq)
316{
317 PKCS12 *p12;
318
319 if (nid_p7 <= 0)
320 nid_p7 = NID_pkcs7_data;
321 p12 = PKCS12_init_ex(nid_p7, ctx, propq);
322 if (p12 == NULL)
323 return NULL;
324
325 if (!PKCS12_pack_authsafes(p12, safes)) {
326 PKCS12_free(p12);
327 return NULL;
328 }
329
330 return p12;
331
332}
333
334PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)
335{
336 return PKCS12_add_safes_ex(safes, nid_p7, NULL, NULL);
337}
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