1 /* p12_add.c */ 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 #include "cryptlib.h" 61 #include <openssl/pkcs12.h> 62 63 /* Pack an object into an OCTET STRING and turn into a safebag */ 64 65 PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1, 66 int nid2) 67 { 68 PKCS12_BAGS *bag; 69 PKCS12_SAFEBAG *safebag; 70 if (!(bag = PKCS12_BAGS_new())) { 71 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE); 72 return NULL; 73 } 74 bag->type = OBJ_nid2obj(nid1); 75 if (!ASN1_item_pack(obj, it, &bag->value.octet)) { 76 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE); 77 return NULL; 78 } 79 if (!(safebag = PKCS12_SAFEBAG_new())) { 80 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE); 81 return NULL; 82 } 83 safebag->value.bag = bag; 84 safebag->type = OBJ_nid2obj(nid2); 85 return safebag; 86 } 87 88 /* Turn PKCS8 object into a keybag */ 89 90 PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8) 91 { 92 PKCS12_SAFEBAG *bag; 93 if (!(bag = PKCS12_SAFEBAG_new())) { 94 PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG,ERR_R_MALLOC_FAILURE); 95 return NULL; 96 } 97 bag->type = OBJ_nid2obj(NID_keyBag); 98 bag->value.keybag = p8; 99 return bag; 100 } 101 102 /* Turn PKCS8 object into a shrouded keybag */ 103 104 PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass, 105 int passlen, unsigned char *salt, int saltlen, int iter, 106 PKCS8_PRIV_KEY_INFO *p8) 107 { 108 PKCS12_SAFEBAG *bag; 109 const EVP_CIPHER *pbe_ciph; 110 111 /* Set up the safe bag */ 112 if (!(bag = PKCS12_SAFEBAG_new())) { 113 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 114 return NULL; 115 } 116 117 bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag); 118 119 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 120 121 if (pbe_ciph) 122 pbe_nid = -1; 123 124 if (!(bag->value.shkeybag = 125 PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter, 126 p8))) { 127 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 128 return NULL; 129 } 130 131 return bag; 132 } 133 134 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */ 135 PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk) 136 { 137 PKCS7 *p7; 138 if (!(p7 = PKCS7_new())) { 139 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 140 return NULL; 141 } 142 p7->type = OBJ_nid2obj(NID_pkcs7_data); 143 if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) { 144 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 145 return NULL; 146 } 147 148 if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) { 149 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE); 150 return NULL; 151 } 152 return p7; 153 } 154 155 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */ 156 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7) 157 { 158 if(!PKCS7_type_is_data(p7)) 159 { 160 PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,PKCS12_R_CONTENT_TYPE_NOT_DATA); 161 return NULL; 162 } 163 return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS)); 164 } 165 166 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */ 167 168 PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen, 169 unsigned char *salt, int saltlen, int iter, 170 STACK_OF(PKCS12_SAFEBAG) *bags) 171 { 172 PKCS7 *p7; 173 X509_ALGOR *pbe; 174 const EVP_CIPHER *pbe_ciph; 175 if (!(p7 = PKCS7_new())) { 176 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 177 return NULL; 178 } 179 if(!PKCS7_set_type(p7, NID_pkcs7_encrypted)) { 180 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, 181 PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE); 182 return NULL; 183 } 184 185 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 186 187 if (pbe_ciph) 188 pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen); 189 else 190 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen); 191 192 if (!pbe) { 193 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 194 return NULL; 195 } 196 X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm); 197 p7->d.encrypted->enc_data->algorithm = pbe; 198 M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data); 199 if (!(p7->d.encrypted->enc_data->enc_data = 200 PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen, 201 bags, 1))) { 202 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR); 203 return NULL; 204 } 205 206 return p7; 207 } 208 209 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen) 210 { 211 if(!PKCS7_type_is_encrypted(p7)) return NULL; 212 return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm, 213 ASN1_ITEM_rptr(PKCS12_SAFEBAGS), 214 pass, passlen, 215 p7->d.encrypted->enc_data->enc_data, 1); 216 } 217 218 PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass, 219 int passlen) 220 { 221 return PKCS8_decrypt(bag->value.shkeybag, pass, passlen); 222 } 223 224 int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes) 225 { 226 if(ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES), 227 &p12->authsafes->d.data)) 228 return 1; 229 return 0; 230 } 231 232 STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12) 233 { 234 if (!PKCS7_type_is_data(p12->authsafes)) 235 { 236 PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,PKCS12_R_CONTENT_TYPE_NOT_DATA); 237 return NULL; 238 } 239 return ASN1_item_unpack(p12->authsafes->d.data, ASN1_ITEM_rptr(PKCS12_AUTHSAFES)); 240 } 241