1 /* p12_crt.c */ 2 /* Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh (at) cryptsoft.com). 56 * 57 */ 58 59 #include <stdio.h> 60 #include "cryptlib.h" 61 #include <openssl/pkcs12.h> 62 #ifdef OPENSSL_FIPS 63 #include <openssl/fips.h> 64 #endif 65 66 67 68 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag); 69 70 static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid) 71 { 72 int idx; 73 X509_ATTRIBUTE *attr; 74 idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1); 75 if (idx < 0) 76 return 1; 77 attr = EVP_PKEY_get_attr(pkey, idx); 78 if (!X509at_add1_attr(&bag->attrib, attr)) 79 return 0; 80 return 1; 81 } 82 83 PKCS12 *PKCS12_create(char *pass, char *name, EVP_PKEY *pkey, X509 *cert, 84 STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, int mac_iter, 85 int keytype) 86 { 87 PKCS12 *p12 = NULL; 88 STACK_OF(PKCS7) *safes = NULL; 89 STACK_OF(PKCS12_SAFEBAG) *bags = NULL; 90 PKCS12_SAFEBAG *bag = NULL; 91 int i; 92 unsigned char keyid[EVP_MAX_MD_SIZE]; 93 unsigned int keyidlen = 0; 94 95 /* Set defaults */ 96 if (!nid_cert) 97 { 98 #ifdef OPENSSL_FIPS 99 if (FIPS_mode()) 100 nid_cert = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 101 else 102 #endif 103 nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC; 104 } 105 if (!nid_key) 106 nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 107 if (!iter) 108 iter = PKCS12_DEFAULT_ITER; 109 if (!mac_iter) 110 mac_iter = 1; 111 112 if(!pkey && !cert && !ca) 113 { 114 PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT); 115 return NULL; 116 } 117 118 if (pkey && cert) 119 { 120 if(!X509_check_private_key(cert, pkey)) 121 return NULL; 122 X509_digest(cert, EVP_sha1(), keyid, &keyidlen); 123 } 124 125 if (cert) 126 { 127 bag = PKCS12_add_cert(&bags, cert); 128 if(name && !PKCS12_add_friendlyname(bag, name, -1)) 129 goto err; 130 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 131 goto err; 132 } 133 134 /* Add all other certificates */ 135 for(i = 0; i < sk_X509_num(ca); i++) 136 { 137 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i))) 138 goto err; 139 } 140 141 if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass)) 142 goto err; 143 144 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 145 bags = NULL; 146 147 if (pkey) 148 { 149 bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass); 150 151 if (!bag) 152 goto err; 153 154 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name)) 155 goto err; 156 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet)) 157 goto err; 158 159 if(name && !PKCS12_add_friendlyname(bag, name, -1)) 160 goto err; 161 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 162 goto err; 163 } 164 165 if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL)) 166 goto err; 167 168 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 169 bags = NULL; 170 171 p12 = PKCS12_add_safes(safes, 0); 172 173 if (!p12) 174 goto err; 175 176 sk_PKCS7_pop_free(safes, PKCS7_free); 177 178 safes = NULL; 179 180 if ((mac_iter != -1) && 181 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) 182 goto err; 183 184 return p12; 185 186 err: 187 188 if (p12) 189 PKCS12_free(p12); 190 if (safes) 191 sk_PKCS7_pop_free(safes, PKCS7_free); 192 if (bags) 193 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 194 return NULL; 195 196 } 197 198 PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) 199 { 200 PKCS12_SAFEBAG *bag = NULL; 201 char *name; 202 int namelen = -1; 203 unsigned char *keyid; 204 int keyidlen = -1; 205 206 /* Add user certificate */ 207 if(!(bag = PKCS12_x5092certbag(cert))) 208 goto err; 209 210 /* Use friendlyName and localKeyID in certificate. 211 * (if present) 212 */ 213 214 name = (char *)X509_alias_get0(cert, &namelen); 215 216 if(name && !PKCS12_add_friendlyname(bag, name, namelen)) 217 goto err; 218 219 keyid = X509_keyid_get0(cert, &keyidlen); 220 221 if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 222 goto err; 223 224 if (!pkcs12_add_bag(pbags, bag)) 225 goto err; 226 227 return bag; 228 229 err: 230 231 if (bag) 232 PKCS12_SAFEBAG_free(bag); 233 234 return NULL; 235 236 } 237 238 PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key, 239 int key_usage, int iter, 240 int nid_key, char *pass) 241 { 242 243 PKCS12_SAFEBAG *bag = NULL; 244 PKCS8_PRIV_KEY_INFO *p8 = NULL; 245 246 /* Make a PKCS#8 structure */ 247 if(!(p8 = EVP_PKEY2PKCS8(key))) 248 goto err; 249 if(key_usage && !PKCS8_add_keyusage(p8, key_usage)) 250 goto err; 251 if (nid_key != -1) 252 { 253 bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8); 254 PKCS8_PRIV_KEY_INFO_free(p8); 255 } 256 else 257 bag = PKCS12_MAKE_KEYBAG(p8); 258 259 if(!bag) 260 goto err; 261 262 if (!pkcs12_add_bag(pbags, bag)) 263 goto err; 264 265 return bag; 266 267 err: 268 269 if (bag) 270 PKCS12_SAFEBAG_free(bag); 271 272 return NULL; 273 274 } 275 276 int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, 277 int nid_safe, int iter, char *pass) 278 { 279 PKCS7 *p7 = NULL; 280 int free_safes = 0; 281 282 if (!*psafes) 283 { 284 *psafes = sk_PKCS7_new_null(); 285 if (!*psafes) 286 return 0; 287 free_safes = 1; 288 } 289 else 290 free_safes = 0; 291 292 if (nid_safe == 0) 293 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; 294 295 if (nid_safe == -1) 296 p7 = PKCS12_pack_p7data(bags); 297 else 298 p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0, 299 iter, bags); 300 if (!p7) 301 goto err; 302 303 if (!sk_PKCS7_push(*psafes, p7)) 304 goto err; 305 306 return 1; 307 308 err: 309 if (free_safes) 310 { 311 sk_PKCS7_free(*psafes); 312 *psafes = NULL; 313 } 314 315 if (p7) 316 PKCS7_free(p7); 317 318 return 0; 319 320 } 321 322 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag) 323 { 324 int free_bags; 325 if (!pbags) 326 return 1; 327 if (!*pbags) 328 { 329 *pbags = sk_PKCS12_SAFEBAG_new_null(); 330 if (!*pbags) 331 return 0; 332 free_bags = 1; 333 } 334 else 335 free_bags = 0; 336 337 if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) 338 { 339 if (free_bags) 340 { 341 sk_PKCS12_SAFEBAG_free(*pbags); 342 *pbags = NULL; 343 } 344 return 0; 345 } 346 347 return 1; 348 349 } 350 351 352 PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7) 353 { 354 PKCS12 *p12; 355 if (nid_p7 <= 0) 356 nid_p7 = NID_pkcs7_data; 357 p12 = PKCS12_init(nid_p7); 358 359 if (!p12) 360 return NULL; 361 362 if(!PKCS12_pack_authsafes(p12, safes)) 363 { 364 PKCS12_free(p12); 365 return NULL; 366 } 367 368 return p12; 369 370 } 371
