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Commit | Line | Data |
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0f113f3e | 1 | /* |
7e06a675 | 2 | * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved. |
8d8c7266 | 3 | * |
54fffdf4 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
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 | |
8d8c7266 DSH |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
ec577822 | 12 | #include <openssl/pkcs12.h> |
706457b7 | 13 | #include "p12_local.h" |
8d8c7266 | 14 | |
0f113f3e MC |
15 | static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, |
16 | PKCS12_SAFEBAG *bag); | |
9a48b07e | 17 | |
8528128b | 18 | static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid) |
0f113f3e MC |
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 | } | |
8528128b | 30 | |
82af00fb | 31 | PKCS12 *PKCS12_create(const char *pass, const char *name, EVP_PKEY *pkey, X509 *cert, |
0f113f3e MC |
32 | STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, |
33 | int mac_iter, int keytype) | |
8d8c7266 | 34 | { |
0f113f3e MC |
35 | PKCS12 *p12 = NULL; |
36 | STACK_OF(PKCS7) *safes = NULL; | |
37 | STACK_OF(PKCS12_SAFEBAG) *bags = NULL; | |
38 | PKCS12_SAFEBAG *bag = NULL; | |
39 | int i; | |
40 | unsigned char keyid[EVP_MAX_MD_SIZE]; | |
41 | unsigned int keyidlen = 0; | |
42 | ||
43 | /* Set defaults */ | |
762970bd TM |
44 | if (nid_cert == NID_undef) |
45 | nid_cert = NID_aes_256_cbc; | |
46 | if (nid_key == NID_undef) | |
47 | nid_key = NID_aes_256_cbc; | |
0f113f3e MC |
48 | if (!iter) |
49 | iter = PKCS12_DEFAULT_ITER; | |
50 | if (!mac_iter) | |
762970bd | 51 | mac_iter = PKCS12_DEFAULT_ITER; |
0f113f3e | 52 | |
12a765a5 | 53 | if (pkey == NULL && cert == NULL && ca == NULL) { |
9311d0c4 | 54 | ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_NULL_ARGUMENT); |
0f113f3e MC |
55 | return NULL; |
56 | } | |
57 | ||
58 | if (pkey && cert) { | |
59 | if (!X509_check_private_key(cert, pkey)) | |
60 | return NULL; | |
7e06a675 BE |
61 | if (!X509_digest(cert, EVP_sha1(), keyid, &keyidlen)) |
62 | return NULL; | |
0f113f3e MC |
63 | } |
64 | ||
65 | if (cert) { | |
66 | bag = PKCS12_add_cert(&bags, cert); | |
67 | if (name && !PKCS12_add_friendlyname(bag, name, -1)) | |
68 | goto err; | |
69 | if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) | |
70 | goto err; | |
71 | } | |
72 | ||
73 | /* Add all other certificates */ | |
74 | for (i = 0; i < sk_X509_num(ca); i++) { | |
75 | if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i))) | |
76 | goto err; | |
77 | } | |
78 | ||
79 | if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass)) | |
80 | goto err; | |
81 | ||
82 | sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); | |
83 | bags = NULL; | |
84 | ||
85 | if (pkey) { | |
86 | bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass); | |
87 | ||
88 | if (!bag) | |
89 | goto err; | |
90 | ||
91 | if (!copy_bag_attr(bag, pkey, NID_ms_csp_name)) | |
92 | goto err; | |
93 | if (!copy_bag_attr(bag, pkey, NID_LocalKeySet)) | |
94 | goto err; | |
95 | ||
96 | if (name && !PKCS12_add_friendlyname(bag, name, -1)) | |
97 | goto err; | |
98 | if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) | |
99 | goto err; | |
100 | } | |
101 | ||
102 | if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL)) | |
103 | goto err; | |
104 | ||
105 | sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); | |
106 | bags = NULL; | |
107 | ||
108 | p12 = PKCS12_add_safes(safes, 0); | |
109 | ||
12a765a5 | 110 | if (p12 == NULL) |
0f113f3e MC |
111 | goto err; |
112 | ||
113 | sk_PKCS7_pop_free(safes, PKCS7_free); | |
114 | ||
115 | safes = NULL; | |
116 | ||
117 | if ((mac_iter != -1) && | |
118 | !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) | |
119 | goto err; | |
120 | ||
121 | return p12; | |
122 | ||
123 | err: | |
e0e920b1 RS |
124 | PKCS12_free(p12); |
125 | sk_PKCS7_pop_free(safes, PKCS7_free); | |
126 | sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); | |
0f113f3e | 127 | return NULL; |
9a48b07e DSH |
128 | |
129 | } | |
130 | ||
131 | PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) | |
0f113f3e MC |
132 | { |
133 | PKCS12_SAFEBAG *bag = NULL; | |
134 | char *name; | |
135 | int namelen = -1; | |
136 | unsigned char *keyid; | |
137 | int keyidlen = -1; | |
8d8c7266 | 138 | |
0f113f3e | 139 | /* Add user certificate */ |
293042c9 | 140 | if ((bag = PKCS12_SAFEBAG_create_cert(cert)) == NULL) |
0f113f3e | 141 | goto err; |
9a48b07e | 142 | |
0f113f3e MC |
143 | /* |
144 | * Use friendlyName and localKeyID in certificate. (if present) | |
145 | */ | |
9a48b07e | 146 | |
0f113f3e | 147 | name = (char *)X509_alias_get0(cert, &namelen); |
9a48b07e | 148 | |
0f113f3e MC |
149 | if (name && !PKCS12_add_friendlyname(bag, name, namelen)) |
150 | goto err; | |
9a48b07e | 151 | |
0f113f3e | 152 | keyid = X509_keyid_get0(cert, &keyidlen); |
9a48b07e | 153 | |
0f113f3e MC |
154 | if (keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
155 | goto err; | |
9a48b07e | 156 | |
0f113f3e MC |
157 | if (!pkcs12_add_bag(pbags, bag)) |
158 | goto err; | |
9a48b07e | 159 | |
0f113f3e | 160 | return bag; |
9a48b07e | 161 | |
0f113f3e | 162 | err: |
e0e920b1 | 163 | PKCS12_SAFEBAG_free(bag); |
0f113f3e | 164 | return NULL; |
8d8c7266 | 165 | |
0f113f3e | 166 | } |
9a48b07e | 167 | |
0f113f3e MC |
168 | PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, |
169 | EVP_PKEY *key, int key_usage, int iter, | |
82af00fb | 170 | int nid_key, const char *pass) |
0f113f3e | 171 | { |
9a48b07e | 172 | |
0f113f3e MC |
173 | PKCS12_SAFEBAG *bag = NULL; |
174 | PKCS8_PRIV_KEY_INFO *p8 = NULL; | |
9a48b07e | 175 | |
0f113f3e | 176 | /* Make a PKCS#8 structure */ |
75ebbd9a | 177 | if ((p8 = EVP_PKEY2PKCS8(key)) == NULL) |
0f113f3e MC |
178 | goto err; |
179 | if (key_usage && !PKCS8_add_keyusage(p8, key_usage)) | |
180 | goto err; | |
181 | if (nid_key != -1) { | |
425f3300 DSH |
182 | bag = PKCS12_SAFEBAG_create_pkcs8_encrypt(nid_key, pass, -1, NULL, 0, |
183 | iter, p8); | |
0f113f3e MC |
184 | PKCS8_PRIV_KEY_INFO_free(p8); |
185 | } else | |
425f3300 | 186 | bag = PKCS12_SAFEBAG_create0_p8inf(p8); |
9a48b07e | 187 | |
0f113f3e MC |
188 | if (!bag) |
189 | goto err; | |
9a48b07e | 190 | |
0f113f3e MC |
191 | if (!pkcs12_add_bag(pbags, bag)) |
192 | goto err; | |
9a48b07e | 193 | |
0f113f3e | 194 | return bag; |
9a48b07e | 195 | |
0f113f3e | 196 | err: |
e0e920b1 | 197 | PKCS12_SAFEBAG_free(bag); |
0f113f3e | 198 | return NULL; |
9a48b07e | 199 | |
0f113f3e | 200 | } |
8d8c7266 | 201 | |
c5ec6dcf JS |
202 | PKCS12_SAFEBAG *PKCS12_add_secret(STACK_OF(PKCS12_SAFEBAG) **pbags, |
203 | int nid_type, const unsigned char *value, int len) | |
204 | { | |
205 | PKCS12_SAFEBAG *bag = NULL; | |
206 | ||
207 | /* Add secret, storing the value as an octet string */ | |
208 | if ((bag = PKCS12_SAFEBAG_create_secret(nid_type, V_ASN1_OCTET_STRING, value, len)) == NULL) | |
209 | goto err; | |
210 | ||
211 | if (!pkcs12_add_bag(pbags, bag)) | |
212 | goto err; | |
213 | ||
214 | return bag; | |
215 | err: | |
216 | PKCS12_SAFEBAG_free(bag); | |
217 | return NULL; | |
218 | } | |
219 | ||
9a48b07e | 220 | int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, |
82af00fb | 221 | int nid_safe, int iter, const char *pass) |
0f113f3e MC |
222 | { |
223 | PKCS7 *p7 = NULL; | |
224 | int free_safes = 0; | |
225 | ||
12a765a5 | 226 | if (*psafes == NULL) { |
0f113f3e | 227 | *psafes = sk_PKCS7_new_null(); |
12a765a5 | 228 | if (*psafes == NULL) |
0f113f3e MC |
229 | return 0; |
230 | free_safes = 1; | |
12a765a5 | 231 | } |
0f113f3e MC |
232 | |
233 | if (nid_safe == 0) | |
558c94ef | 234 | #ifdef OPENSSL_NO_RC2 |
0f113f3e | 235 | nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; |
558c94ef | 236 | #else |
0f113f3e | 237 | nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; |
558c94ef | 238 | #endif |
9a48b07e | 239 | |
0f113f3e MC |
240 | if (nid_safe == -1) |
241 | p7 = PKCS12_pack_p7data(bags); | |
242 | else | |
243 | p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0, iter, bags); | |
12a765a5 | 244 | if (p7 == NULL) |
0f113f3e MC |
245 | goto err; |
246 | ||
247 | if (!sk_PKCS7_push(*psafes, p7)) | |
248 | goto err; | |
249 | ||
250 | return 1; | |
251 | ||
252 | err: | |
253 | if (free_safes) { | |
254 | sk_PKCS7_free(*psafes); | |
255 | *psafes = NULL; | |
256 | } | |
e0e920b1 | 257 | PKCS7_free(p7); |
0f113f3e MC |
258 | return 0; |
259 | ||
260 | } | |
261 | ||
262 | static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, | |
263 | PKCS12_SAFEBAG *bag) | |
264 | { | |
12a765a5 RS |
265 | int free_bags = 0; |
266 | ||
267 | if (pbags == NULL) | |
0f113f3e | 268 | return 1; |
12a765a5 | 269 | if (*pbags == NULL) { |
0f113f3e | 270 | *pbags = sk_PKCS12_SAFEBAG_new_null(); |
12a765a5 | 271 | if (*pbags == NULL) |
0f113f3e MC |
272 | return 0; |
273 | free_bags = 1; | |
12a765a5 | 274 | } |
0f113f3e MC |
275 | |
276 | if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) { | |
277 | if (free_bags) { | |
278 | sk_PKCS12_SAFEBAG_free(*pbags); | |
279 | *pbags = NULL; | |
280 | } | |
281 | return 0; | |
282 | } | |
283 | ||
284 | return 1; | |
285 | ||
286 | } | |
9a48b07e DSH |
287 | |
288 | PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7) | |
0f113f3e MC |
289 | { |
290 | PKCS12 *p12; | |
12a765a5 | 291 | |
0f113f3e MC |
292 | if (nid_p7 <= 0) |
293 | nid_p7 = NID_pkcs7_data; | |
294 | p12 = PKCS12_init(nid_p7); | |
12a765a5 | 295 | if (p12 == NULL) |
0f113f3e | 296 | return NULL; |
9a48b07e | 297 | |
0f113f3e MC |
298 | if (!PKCS12_pack_authsafes(p12, safes)) { |
299 | PKCS12_free(p12); | |
300 | return NULL; | |
301 | } | |
8d8c7266 | 302 | |
0f113f3e | 303 | return p12; |
8d8c7266 | 304 | |
0f113f3e | 305 | } |