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 64static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag); 65 66static 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 79PKCS12 *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#ifdef OPENSSL_NO_RC2 94 nid_cert = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 95#else 96 nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC; 97#endif 98 if (!nid_key) 99 nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 100 if (!iter) 101 iter = PKCS12_DEFAULT_ITER; 102 if (!mac_iter) 103 mac_iter = 1; 104 105 if(!pkey && !cert && !ca) 106 { 107 PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT); 108 return NULL; 109 } 110 111 if (pkey && cert) 112 { 113 if(!X509_check_private_key(cert, pkey)) 114 return NULL; 115 X509_digest(cert, EVP_sha1(), keyid, &keyidlen); 116 } 117 118 if (cert) 119 { 120 bag = PKCS12_add_cert(&bags, cert); 121 if(name && !PKCS12_add_friendlyname(bag, name, -1)) 122 goto err; 123 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 124 goto err; 125 } 126 127 /* Add all other certificates */ 128 for(i = 0; i < sk_X509_num(ca); i++) 129 { 130 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i))) 131 goto err; 132 } 133 134 if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass)) 135 goto err; 136 137 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 138 bags = NULL; 139 140 if (pkey) 141 { 142 bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass); 143 144 if (!bag) 145 goto err; 146 147 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name)) 148 goto err; 149 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet)) 150 goto err; 151 152 if(name && !PKCS12_add_friendlyname(bag, name, -1)) 153 goto err; 154 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 155 goto err; 156 } 157 158 if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL)) 159 goto err; 160 161 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 162 bags = NULL; 163 164 p12 = PKCS12_add_safes(safes, 0); 165 166 if (!p12) 167 goto err; 168 169 sk_PKCS7_pop_free(safes, PKCS7_free); 170 171 safes = NULL; 172 173 if ((mac_iter != -1) && 174 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) 175 goto err; 176 177 return p12; 178 179 err: 180 181 if (p12) 182 PKCS12_free(p12); 183 if (safes) 184 sk_PKCS7_pop_free(safes, PKCS7_free); 185 if (bags) 186 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 187 return NULL; 188 189} 190 191PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) 192 { 193 PKCS12_SAFEBAG *bag = NULL; 194 char *name; 195 int namelen = -1; 196 unsigned char *keyid; 197 int keyidlen = -1; 198 199 /* Add user certificate */ 200 if(!(bag = PKCS12_x5092certbag(cert))) 201 goto err; 202 203 /* Use friendlyName and localKeyID in certificate. 204 * (if present) 205 */ 206 207 name = (char *)X509_alias_get0(cert, &namelen); 208 209 if(name && !PKCS12_add_friendlyname(bag, name, namelen)) 210 goto err; 211 212 keyid = X509_keyid_get0(cert, &keyidlen); 213 214 if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 215 goto err; 216 217 if (!pkcs12_add_bag(pbags, bag)) 218 goto err; 219 220 return bag; 221 222 err: 223 224 if (bag) 225 PKCS12_SAFEBAG_free(bag); 226 227 return NULL; 228 229 } 230 231PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key, 232 int key_usage, int iter, 233 int nid_key, char *pass) 234 { 235 236 PKCS12_SAFEBAG *bag = NULL; 237 PKCS8_PRIV_KEY_INFO *p8 = NULL; 238 239 /* Make a PKCS#8 structure */ 240 if(!(p8 = EVP_PKEY2PKCS8(key))) 241 goto err; 242 if(key_usage && !PKCS8_add_keyusage(p8, key_usage)) 243 goto err; 244 if (nid_key != -1) 245 { 246 bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8); 247 PKCS8_PRIV_KEY_INFO_free(p8); 248 } 249 else 250 bag = PKCS12_MAKE_KEYBAG(p8); 251 252 if(!bag) 253 goto err; 254 255 if (!pkcs12_add_bag(pbags, bag)) 256 goto err; 257 258 return bag; 259 260 err: 261 262 if (bag) 263 PKCS12_SAFEBAG_free(bag); 264 265 return NULL; 266 267 } 268 269int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, 270 int nid_safe, int iter, char *pass) 271 { 272 PKCS7 *p7 = NULL; 273 int free_safes = 0; 274 275 if (!*psafes) 276 { 277 *psafes = sk_PKCS7_new_null(); 278 if (!*psafes) 279 return 0; 280 free_safes = 1; 281 } 282 else 283 free_safes = 0; 284 285 if (nid_safe == 0) 286#ifdef OPENSSL_NO_RC2 287 nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 288#else 289 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; 290#endif 291 292 if (nid_safe == -1) 293 p7 = PKCS12_pack_p7data(bags); 294 else 295 p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0, 296 iter, bags); 297 if (!p7) 298 goto err; 299 300 if (!sk_PKCS7_push(*psafes, p7)) 301 goto err; 302 303 return 1; 304 305 err: 306 if (free_safes) 307 { 308 sk_PKCS7_free(*psafes); 309 *psafes = NULL; 310 } 311 312 if (p7) 313 PKCS7_free(p7); 314 315 return 0; 316 317 } 318 319static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag) 320 { 321 int free_bags; 322 if (!pbags) 323 return 1; 324 if (!*pbags) 325 { 326 *pbags = sk_PKCS12_SAFEBAG_new_null(); 327 if (!*pbags) 328 return 0; 329 free_bags = 1; 330 } 331 else 332 free_bags = 0; 333 334 if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) 335 { 336 if (free_bags) 337 { 338 sk_PKCS12_SAFEBAG_free(*pbags); 339 *pbags = NULL; 340 } 341 return 0; 342 } 343 344 return 1; 345 346 } 347 348 349PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7) 350 { 351 PKCS12 *p12; 352 if (nid_p7 <= 0) 353 nid_p7 = NID_pkcs7_data; 354 p12 = PKCS12_init(nid_p7); 355 356 if (!p12) 357 return NULL; 358 359 if(!PKCS12_pack_authsafes(p12, safes)) 360 { 361 PKCS12_free(p12); 362 return NULL; 363 } 364 365 return p12; 366 367 } 368