1 /* $OpenBSD: p12_add.c,v 1.12 2015/02/14 12:43:07 miod Exp $ */ 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3 * project 1999. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 1999 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 61 #include <openssl/err.h> 62 #include <openssl/pkcs12.h> 63 64 /* Pack an object into an OCTET STRING and turn into a safebag */ 65 66 PKCS12_SAFEBAG * 67 PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1, int nid2) 68 { 69 PKCS12_BAGS *bag; 70 PKCS12_SAFEBAG *safebag; 71 72 if (!(bag = PKCS12_BAGS_new())) { 73 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, 74 ERR_R_MALLOC_FAILURE); 75 return NULL; 76 } 77 bag->type = OBJ_nid2obj(nid1); 78 if (!ASN1_item_pack(obj, it, &bag->value.octet)) { 79 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, 80 ERR_R_MALLOC_FAILURE); 81 PKCS12_BAGS_free(bag); 82 return NULL; 83 } 84 if (!(safebag = PKCS12_SAFEBAG_new())) { 85 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, 86 ERR_R_MALLOC_FAILURE); 87 PKCS12_BAGS_free(bag); 88 return NULL; 89 } 90 safebag->value.bag = bag; 91 safebag->type = OBJ_nid2obj(nid2); 92 return safebag; 93 } 94 95 /* Turn PKCS8 object into a keybag */ 96 97 PKCS12_SAFEBAG * 98 PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8) 99 { 100 PKCS12_SAFEBAG *bag; 101 102 if (!(bag = PKCS12_SAFEBAG_new())) { 103 PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG, ERR_R_MALLOC_FAILURE); 104 return NULL; 105 } 106 bag->type = OBJ_nid2obj(NID_keyBag); 107 bag->value.keybag = p8; 108 return bag; 109 } 110 111 /* Turn PKCS8 object into a shrouded keybag */ 112 113 PKCS12_SAFEBAG * 114 PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass, int passlen, 115 unsigned char *salt, int saltlen, int iter, PKCS8_PRIV_KEY_INFO *p8) 116 { 117 PKCS12_SAFEBAG *bag; 118 const EVP_CIPHER *pbe_ciph; 119 120 /* Set up the safe bag */ 121 if (!(bag = PKCS12_SAFEBAG_new())) { 122 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 123 return NULL; 124 } 125 126 bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag); 127 128 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 129 130 if (pbe_ciph) 131 pbe_nid = -1; 132 133 if (!(bag->value.shkeybag = PKCS8_encrypt(pbe_nid, pbe_ciph, pass, 134 passlen, salt, saltlen, iter, p8))) { 135 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 136 PKCS12_SAFEBAG_free(bag); 137 return NULL; 138 } 139 140 return bag; 141 } 142 143 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */ 144 PKCS7 * 145 PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk) 146 { 147 PKCS7 *p7; 148 149 if (!(p7 = PKCS7_new())) { 150 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 151 return NULL; 152 } 153 p7->type = OBJ_nid2obj(NID_pkcs7_data); 154 if (!(p7->d.data = ASN1_OCTET_STRING_new())) { 155 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 156 goto err; 157 } 158 159 if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) { 160 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, 161 PKCS12_R_CANT_PACK_STRUCTURE); 162 goto err; 163 } 164 return p7; 165 166 err: 167 PKCS7_free(p7); 168 return NULL; 169 } 170 171 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */ 172 STACK_OF(PKCS12_SAFEBAG) * 173 PKCS12_unpack_p7data(PKCS7 *p7) 174 { 175 if (!PKCS7_type_is_data(p7)) { 176 PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA, 177 PKCS12_R_CONTENT_TYPE_NOT_DATA); 178 return NULL; 179 } 180 return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS)); 181 } 182 183 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */ 184 185 PKCS7 * 186 PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen, 187 unsigned char *salt, int saltlen, int iter, STACK_OF(PKCS12_SAFEBAG) *bags) 188 { 189 PKCS7 *p7; 190 X509_ALGOR *pbe; 191 const EVP_CIPHER *pbe_ciph; 192 193 if (!(p7 = PKCS7_new())) { 194 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 195 return NULL; 196 } 197 if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) { 198 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, 199 PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE); 200 goto err; 201 } 202 203 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 204 205 if (pbe_ciph) 206 pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen); 207 else 208 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen); 209 210 if (!pbe) { 211 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 212 goto err; 213 } 214 X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm); 215 p7->d.encrypted->enc_data->algorithm = pbe; 216 ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data); 217 if (!(p7->d.encrypted->enc_data->enc_data = PKCS12_item_i2d_encrypt( 218 pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen, bags, 1))) { 219 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, 220 PKCS12_R_ENCRYPT_ERROR); 221 goto err; 222 } 223 224 return p7; 225 226 err: 227 PKCS7_free(p7); 228 return NULL; 229 } 230 231 STACK_OF(PKCS12_SAFEBAG) * 232 PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen) 233 { 234 if (!PKCS7_type_is_encrypted(p7)) 235 return NULL; 236 return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm, 237 ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen, 238 p7->d.encrypted->enc_data->enc_data, 1); 239 } 240 241 PKCS8_PRIV_KEY_INFO * 242 PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass, int passlen) 243 { 244 return PKCS8_decrypt(bag->value.shkeybag, pass, passlen); 245 } 246 247 int 248 PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes) 249 { 250 if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES), 251 &p12->authsafes->d.data)) 252 return 1; 253 return 0; 254 } 255 256 STACK_OF(PKCS7) * 257 PKCS12_unpack_authsafes(PKCS12 *p12) 258 { 259 if (!PKCS7_type_is_data(p12->authsafes)) { 260 PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES, 261 PKCS12_R_CONTENT_TYPE_NOT_DATA); 262 return NULL; 263 } 264 return ASN1_item_unpack(p12->authsafes->d.data, 265 ASN1_ITEM_rptr(PKCS12_AUTHSAFES)); 266 } 267