1 /* $OpenBSD: p12_add.c,v 1.11 2014/07/11 08:44:49 jsing 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 return NULL; 82 } 83 if (!(safebag = PKCS12_SAFEBAG_new())) { 84 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, 85 ERR_R_MALLOC_FAILURE); 86 return NULL; 87 } 88 safebag->value.bag = bag; 89 safebag->type = OBJ_nid2obj(nid2); 90 return safebag; 91 } 92 93 /* Turn PKCS8 object into a keybag */ 94 95 PKCS12_SAFEBAG * 96 PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8) 97 { 98 PKCS12_SAFEBAG *bag; 99 100 if (!(bag = PKCS12_SAFEBAG_new())) { 101 PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG, ERR_R_MALLOC_FAILURE); 102 return NULL; 103 } 104 bag->type = OBJ_nid2obj(NID_keyBag); 105 bag->value.keybag = p8; 106 return bag; 107 } 108 109 /* Turn PKCS8 object into a shrouded keybag */ 110 111 PKCS12_SAFEBAG * 112 PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass, int passlen, 113 unsigned char *salt, int saltlen, int iter, PKCS8_PRIV_KEY_INFO *p8) 114 { 115 PKCS12_SAFEBAG *bag; 116 const EVP_CIPHER *pbe_ciph; 117 118 /* Set up the safe bag */ 119 if (!(bag = PKCS12_SAFEBAG_new())) { 120 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 121 return NULL; 122 } 123 124 bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag); 125 126 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 127 128 if (pbe_ciph) 129 pbe_nid = -1; 130 131 if (!(bag->value.shkeybag = PKCS8_encrypt(pbe_nid, pbe_ciph, pass, 132 passlen, salt, saltlen, iter, p8))) { 133 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 134 return NULL; 135 } 136 137 return bag; 138 } 139 140 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */ 141 PKCS7 * 142 PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk) 143 { 144 PKCS7 *p7; 145 146 if (!(p7 = PKCS7_new())) { 147 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 148 return NULL; 149 } 150 p7->type = OBJ_nid2obj(NID_pkcs7_data); 151 if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) { 152 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 153 return NULL; 154 } 155 156 if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) { 157 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, 158 PKCS12_R_CANT_PACK_STRUCTURE); 159 return NULL; 160 } 161 return p7; 162 } 163 164 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */ 165 STACK_OF(PKCS12_SAFEBAG) * 166 PKCS12_unpack_p7data(PKCS7 *p7) 167 { 168 if (!PKCS7_type_is_data(p7)) { 169 PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA, 170 PKCS12_R_CONTENT_TYPE_NOT_DATA); 171 return NULL; 172 } 173 return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS)); 174 } 175 176 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */ 177 178 PKCS7 * 179 PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen, 180 unsigned char *salt, int saltlen, int iter, STACK_OF(PKCS12_SAFEBAG) *bags) 181 { 182 PKCS7 *p7; 183 X509_ALGOR *pbe; 184 const EVP_CIPHER *pbe_ciph; 185 186 if (!(p7 = PKCS7_new())) { 187 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 188 return NULL; 189 } 190 if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) { 191 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, 192 PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE); 193 return NULL; 194 } 195 196 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 197 198 if (pbe_ciph) 199 pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen); 200 else 201 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen); 202 203 if (!pbe) { 204 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 205 return NULL; 206 } 207 X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm); 208 p7->d.encrypted->enc_data->algorithm = pbe; 209 M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data); 210 if (!(p7->d.encrypted->enc_data->enc_data = PKCS12_item_i2d_encrypt( 211 pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen, bags, 1))) { 212 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, 213 PKCS12_R_ENCRYPT_ERROR); 214 return NULL; 215 } 216 217 return p7; 218 } 219 220 STACK_OF(PKCS12_SAFEBAG) * 221 PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen) 222 { 223 if (!PKCS7_type_is_encrypted(p7)) 224 return NULL; 225 return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm, 226 ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen, 227 p7->d.encrypted->enc_data->enc_data, 1); 228 } 229 230 PKCS8_PRIV_KEY_INFO * 231 PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass, int passlen) 232 { 233 return PKCS8_decrypt(bag->value.shkeybag, pass, passlen); 234 } 235 236 int 237 PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes) 238 { 239 if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES), 240 &p12->authsafes->d.data)) 241 return 1; 242 return 0; 243 } 244 245 STACK_OF(PKCS7) * 246 PKCS12_unpack_authsafes(PKCS12 *p12) 247 { 248 if (!PKCS7_type_is_data(p12->authsafes)) { 249 PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES, 250 PKCS12_R_CONTENT_TYPE_NOT_DATA); 251 return NULL; 252 } 253 return ASN1_item_unpack(p12->authsafes->d.data, 254 ASN1_ITEM_rptr(PKCS12_AUTHSAFES)); 255 } 256