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#ifdef OPENSSL_FIPS 63#include <openssl/fips.h> 64#endif 65 66 67 68static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag); 69 70static 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 83PKCS12 *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 unsigned int namelen = name ? strlen(name) : -1; 95 96 /* Set defaults */ 97 if (!nid_cert) 98 { 99#ifdef OPENSSL_FIPS 100 if (FIPS_mode()) 101 nid_cert = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 102 else 103#endif 104#ifdef OPENSSL_NO_RC2 105 nid_cert = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 106#else 107 nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC; 108#endif 109 } 110 if (!nid_key) 111 nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 112 if (!iter) 113 iter = PKCS12_DEFAULT_ITER; 114 if (!mac_iter) 115 mac_iter = 1; 116 117 if(!pkey && !cert && !ca) 118 { 119 PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT); 120 return NULL; 121 } 122 123 if (pkey && cert) 124 { 125 if(!X509_check_private_key(cert, pkey)) 126 return NULL; 127 X509_digest(cert, EVP_sha1(), keyid, &keyidlen); 128 } 129 130 if (cert) 131 { 132 bag = PKCS12_add_cert(&bags, cert); 133 if(name && !PKCS12_add_friendlyname(bag, name, namelen)) 134 goto err; 135 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 136 goto err; 137 } 138 139 /* Add all other certificates */ 140 for(i = 0; i < sk_X509_num(ca); i++) 141 { 142 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i))) 143 goto err; 144 } 145 146 if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass)) 147 goto err; 148 149 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 150 bags = NULL; 151 152 if (pkey) 153 { 154 bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass); 155 156 if (!bag) 157 goto err; 158 159 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name)) 160 goto err; 161 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet)) 162 goto err; 163 164 if(name && !PKCS12_add_friendlyname(bag, name, namelen)) 165 goto err; 166 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 167 goto err; 168 } 169 170 if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL)) 171 goto err; 172 173 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 174 bags = NULL; 175 176 p12 = PKCS12_add_safes(safes, 0); 177 178 if (!p12) 179 goto err; 180 181 sk_PKCS7_pop_free(safes, PKCS7_free); 182 183 safes = NULL; 184 185 if ((mac_iter != -1) && 186 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) 187 goto err; 188 189 return p12; 190 191 err: 192 193 if (p12) 194 PKCS12_free(p12); 195 if (safes) 196 sk_PKCS7_pop_free(safes, PKCS7_free); 197 if (bags) 198 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); 199 return NULL; 200 201} 202 203PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) 204 { 205 PKCS12_SAFEBAG *bag = NULL; 206 char *name; 207 int namelen = -1; 208 unsigned char *keyid; 209 int keyidlen = -1; 210 211 /* Add user certificate */ 212 if(!(bag = PKCS12_x5092certbag(cert))) 213 goto err; 214 215 /* Use friendlyName and localKeyID in certificate. 216 * (if present) 217 */ 218 219 name = (char *)X509_alias_get0(cert, &namelen); 220 221 if(name && !PKCS12_add_friendlyname(bag, name, namelen)) 222 goto err; 223 224 keyid = X509_keyid_get0(cert, &keyidlen); 225 226 if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) 227 goto err; 228 229 if (!pkcs12_add_bag(pbags, bag)) 230 goto err; 231 232 return bag; 233 234 err: 235 236 if (bag) 237 PKCS12_SAFEBAG_free(bag); 238 239 return NULL; 240 241 } 242 243PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key, 244 int key_usage, int iter, 245 int nid_key, char *pass) 246 { 247 248 PKCS12_SAFEBAG *bag = NULL; 249 PKCS8_PRIV_KEY_INFO *p8 = NULL; 250 251 /* Make a PKCS#8 structure */ 252 if(!(p8 = EVP_PKEY2PKCS8(key))) 253 goto err; 254 if(key_usage && !PKCS8_add_keyusage(p8, key_usage)) 255 goto err; 256 if (nid_key != -1) 257 { 258 bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8); 259 PKCS8_PRIV_KEY_INFO_free(p8); 260 } 261 else 262 bag = PKCS12_MAKE_KEYBAG(p8); 263 264 if(!bag) 265 goto err; 266 267 if (!pkcs12_add_bag(pbags, bag)) 268 goto err; 269 270 return bag; 271 272 err: 273 274 if (bag) 275 PKCS12_SAFEBAG_free(bag); 276 277 return NULL; 278 279 } 280 281int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, 282 int nid_safe, int iter, char *pass) 283 { 284 PKCS7 *p7 = NULL; 285 int free_safes = 0; 286 287 if (!*psafes) 288 { 289 *psafes = sk_PKCS7_new_null(); 290 if (!*psafes) 291 return 0; 292 free_safes = 1; 293 } 294 else 295 free_safes = 0; 296 297 if (nid_safe == 0) 298#ifdef OPENSSL_NO_RC2 299 nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; 300#else 301 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; 302#endif 303 304 if (nid_safe == -1) 305 p7 = PKCS12_pack_p7data(bags); 306 else 307 p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0, 308 iter, bags); 309 if (!p7) 310 goto err; 311 312 if (!sk_PKCS7_push(*psafes, p7)) 313 goto err; 314 315 return 1; 316 317 err: 318 if (free_safes) 319 { 320 sk_PKCS7_free(*psafes); 321 *psafes = NULL; 322 } 323 324 if (p7) 325 PKCS7_free(p7); 326 327 return 0; 328 329 } 330 331static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag) 332 { 333 int free_bags; 334 if (!pbags) 335 return 1; 336 if (!*pbags) 337 { 338 *pbags = sk_PKCS12_SAFEBAG_new_null(); 339 if (!*pbags) 340 return 0; 341 free_bags = 1; 342 } 343 else 344 free_bags = 0; 345 346 if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) 347 { 348 if (free_bags) 349 { 350 sk_PKCS12_SAFEBAG_free(*pbags); 351 *pbags = NULL; 352 } 353 return 0; 354 } 355 356 return 1; 357 358 } 359 360 361PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7) 362 { 363 PKCS12 *p12; 364 if (nid_p7 <= 0) 365 nid_p7 = NID_pkcs7_data; 366 p12 = PKCS12_init(nid_p7); 367 368 if (!p12) 369 return NULL; 370 371 if(!PKCS12_pack_authsafes(p12, safes)) 372 { 373 PKCS12_free(p12); 374 return NULL; 375 } 376 377 return p12; 378 379 } 380