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 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 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 } 186 187 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 } 226 227 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 } 264 265 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 } 310 311 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 } 339 340 341 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