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source: vbox/trunk/src/libs/openssl-3.1.7/crypto/pkcs12/p12_crt.c@ 105943

Last change on this file since 105943 was 104078, checked in by vboxsync, 11 months ago

openssl-3.1.5: Applied and adjusted our OpenSSL changes to 3.1.4. bugref:10638
File size: 9.7 KB
Line 
1/*
2 * Copyright 1999-2023 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);
17static PKCS12_SAFEBAG *pkcs12_add_cert_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
18 X509 *cert,
19 const char *name,
20 int namelen,
21 unsigned char *keyid,
22 int keyidlen);
23
24static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid)
25{
26 int idx;
27 X509_ATTRIBUTE *attr;
28 idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1);
29 if (idx < 0)
30 return 1;
31 attr = EVP_PKEY_get_attr(pkey, idx);
32 if (!X509at_add1_attr(&bag->attrib, attr))
33 return 0;
34 return 1;
35}
36
37PKCS12 *PKCS12_create_ex(const char *pass, const char *name, EVP_PKEY *pkey,
38 X509 *cert, STACK_OF(X509) *ca, int nid_key, int nid_cert,
39 int iter, int mac_iter, int keytype,
40 OSSL_LIB_CTX *ctx, const char *propq)
41{
42 PKCS12 *p12 = NULL;
43 STACK_OF(PKCS7) *safes = NULL;
44 STACK_OF(PKCS12_SAFEBAG) *bags = NULL;
45 PKCS12_SAFEBAG *bag = NULL;
46 int i;
47 unsigned char keyid[EVP_MAX_MD_SIZE];
48 unsigned int keyidlen = 0;
49 int namelen = -1;
50 unsigned char *pkeyid = NULL;
51 int pkeyidlen = -1;
52
53 /* Set defaults */
54 if (nid_cert == NID_undef)
55 nid_cert = NID_aes_256_cbc;
56 if (nid_key == NID_undef)
57 nid_key = NID_aes_256_cbc;
58 if (!iter)
59 iter = PKCS12_DEFAULT_ITER;
60 if (!mac_iter)
61 mac_iter = PKCS12_DEFAULT_ITER;
62
63 if (pkey == NULL && cert == NULL && ca == NULL) {
64 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_NULL_ARGUMENT);
65 return NULL;
66 }
67
68 if (pkey && cert) {
69 if (!X509_check_private_key(cert, pkey))
70 return NULL;
71 if (!X509_digest(cert, EVP_sha1(), keyid, &keyidlen))
72 return NULL;
73 }
74
75 if (cert) {
76 if (name == NULL)
77 name = (char *)X509_alias_get0(cert, &namelen);
78 if (keyidlen > 0) {
79 pkeyid = keyid;
80 pkeyidlen = keyidlen;
81 } else {
82 pkeyid = X509_keyid_get0(cert, &pkeyidlen);
83 }
84
85 bag = pkcs12_add_cert_bag(&bags, cert, name, namelen, pkeyid, pkeyidlen);
86 }
87
88 /* Add all other certificates */
89 for (i = 0; i < sk_X509_num(ca); i++) {
90 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i)))
91 goto err;
92 }
93
94 if (bags && !PKCS12_add_safe_ex(&safes, bags, nid_cert, iter, pass,
95 ctx, propq))
96 goto err;
97
98 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
99 bags = NULL;
100
101 if (pkey) {
102 bag = PKCS12_add_key_ex(&bags, pkey, keytype, iter, nid_key, pass,
103 ctx, propq);
104
105 if (!bag)
106 goto err;
107
108 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name))
109 goto err;
110 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet))
111 goto err;
112
113 if (name && !PKCS12_add_friendlyname(bag, name, -1))
114 goto err;
115 if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
116 goto err;
117 }
118
119 if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL))
120 goto err;
121
122 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
123 bags = NULL;
124
125 p12 = PKCS12_add_safes_ex(safes, 0, ctx, propq);
126
127 if (p12 == NULL)
128 goto err;
129
130 sk_PKCS7_pop_free(safes, PKCS7_free);
131
132 safes = NULL;
133
134 if ((mac_iter != -1) &&
135 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL))
136 goto err;
137
138 return p12;
139
140 err:
141 PKCS12_free(p12);
142 sk_PKCS7_pop_free(safes, PKCS7_free);
143 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
144 return NULL;
145
146}
147
148PKCS12 *PKCS12_create(const char *pass, const char *name, EVP_PKEY *pkey, X509 *cert,
149 STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter,
150 int mac_iter, int keytype)
151{
152 return PKCS12_create_ex(pass, name, pkey, cert, ca, nid_key, nid_cert,
153 iter, mac_iter, keytype, NULL, NULL);
154}
155
156static PKCS12_SAFEBAG *pkcs12_add_cert_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
157 X509 *cert,
158 const char *name,
159 int namelen,
160 unsigned char *keyid,
161 int keyidlen)
162{
163 PKCS12_SAFEBAG *bag = NULL;
164
165 /* Add user certificate */
166 if ((bag = PKCS12_SAFEBAG_create_cert(cert)) == NULL)
167 goto err;
168
169 if (name != NULL && !PKCS12_add_friendlyname(bag, name, namelen))
170 goto err;
171
172 if (keyid != NULL && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
173 goto err;
174
175 if (!pkcs12_add_bag(pbags, bag))
176 goto err;
177
178 return bag;
179
180 err:
181 PKCS12_SAFEBAG_free(bag);
182 return NULL;
183}
184
185PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)
186{
187 char *name = NULL;
188 int namelen = -1;
189 unsigned char *keyid = NULL;
190 int keyidlen = -1;
191
192 /*
193 * Use friendlyName and localKeyID in certificate. (if present)
194 */
195 name = (char *)X509_alias_get0(cert, &namelen);
196 keyid = X509_keyid_get0(cert, &keyidlen);
197
198 return pkcs12_add_cert_bag(pbags, cert, name, namelen, keyid, keyidlen);
199}
200
201PKCS12_SAFEBAG *PKCS12_add_key_ex(STACK_OF(PKCS12_SAFEBAG) **pbags,
202 EVP_PKEY *key, int key_usage, int iter,
203 int nid_key, const char *pass,
204 OSSL_LIB_CTX *ctx, const char *propq)
205{
206
207 PKCS12_SAFEBAG *bag = NULL;
208 PKCS8_PRIV_KEY_INFO *p8 = NULL;
209
210 /* Make a PKCS#8 structure */
211 if ((p8 = EVP_PKEY2PKCS8(key)) == NULL)
212 goto err;
213 if (key_usage && !PKCS8_add_keyusage(p8, key_usage))
214 goto err;
215 if (nid_key != -1) {
216 bag = PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(nid_key, pass, -1, NULL, 0,
217 iter, p8, ctx, propq);
218 PKCS8_PRIV_KEY_INFO_free(p8);
219 } else
220 bag = PKCS12_SAFEBAG_create0_p8inf(p8);
221
222 if (!bag)
223 goto err;
224
225 if (!pkcs12_add_bag(pbags, bag))
226 goto err;
227
228 return bag;
229
230 err:
231 PKCS12_SAFEBAG_free(bag);
232 return NULL;
233
234}
235
236PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags,
237 EVP_PKEY *key, int key_usage, int iter,
238 int nid_key, const char *pass)
239{
240 return PKCS12_add_key_ex(pbags, key, key_usage, iter, nid_key, pass,
241 NULL, NULL);
242}
243
244PKCS12_SAFEBAG *PKCS12_add_secret(STACK_OF(PKCS12_SAFEBAG) **pbags,
245 int nid_type, const unsigned char *value, int len)
246{
247 PKCS12_SAFEBAG *bag = NULL;
248
249 /* Add secret, storing the value as an octet string */
250 if ((bag = PKCS12_SAFEBAG_create_secret(nid_type, V_ASN1_OCTET_STRING, value, len)) == NULL)
251 goto err;
252
253 if (!pkcs12_add_bag(pbags, bag))
254 goto err;
255
256 return bag;
257 err:
258 PKCS12_SAFEBAG_free(bag);
259 return NULL;
260}
261
262int PKCS12_add_safe_ex(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
263 int nid_safe, int iter, const char *pass,
264 OSSL_LIB_CTX *ctx, const char *propq)
265{
266 PKCS7 *p7 = NULL;
267 int free_safes = 0;
268
269 if (*psafes == NULL) {
270 *psafes = sk_PKCS7_new_null();
271 if (*psafes == NULL)
272 return 0;
273 free_safes = 1;
274 }
275
276 if (nid_safe == 0)
277#ifdef OPENSSL_NO_RC2
278 nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
279#else
280 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;
281#endif
282
283 if (nid_safe == -1)
284 p7 = PKCS12_pack_p7data(bags);
285 else
286 p7 = PKCS12_pack_p7encdata_ex(nid_safe, pass, -1, NULL, 0, iter, bags, ctx, propq);
287 if (p7 == NULL)
288 goto err;
289
290 if (!sk_PKCS7_push(*psafes, p7))
291 goto err;
292
293 return 1;
294
295 err:
296 if (free_safes) {
297 sk_PKCS7_free(*psafes);
298 *psafes = NULL;
299 }
300 PKCS7_free(p7);
301 return 0;
302}
303
304int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
305 int nid_safe, int iter, const char *pass)
306{
307 return PKCS12_add_safe_ex(psafes, bags, nid_safe, iter, pass, NULL, NULL);
308}
309
310static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
311 PKCS12_SAFEBAG *bag)
312{
313 int free_bags = 0;
314
315 if (pbags == NULL)
316 return 1;
317 if (*pbags == NULL) {
318 *pbags = sk_PKCS12_SAFEBAG_new_null();
319 if (*pbags == NULL)
320 return 0;
321 free_bags = 1;
322 }
323
324 if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) {
325 if (free_bags) {
326 sk_PKCS12_SAFEBAG_free(*pbags);
327 *pbags = NULL;
328 }
329 return 0;
330 }
331
332 return 1;
333
334}
335
336PKCS12 *PKCS12_add_safes_ex(STACK_OF(PKCS7) *safes, int nid_p7,
337 OSSL_LIB_CTX *ctx, const char *propq)
338{
339 PKCS12 *p12;
340
341 if (nid_p7 <= 0)
342 nid_p7 = NID_pkcs7_data;
343 p12 = PKCS12_init_ex(nid_p7, ctx, propq);
344 if (p12 == NULL)
345 return NULL;
346
347 if (!PKCS12_pack_authsafes(p12, safes)) {
348 PKCS12_free(p12);
349 return NULL;
350 }
351
352 return p12;
353
354}
355
356PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)
357{
358 return PKCS12_add_safes_ex(safes, nid_p7, NULL, NULL);
359}
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