1/* p12_add.c */ 2/* 3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4 * 1999. 5 */ 6/* ==================================================================== 7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing@OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay@cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh@cryptsoft.com). 57 * 58 */ 59 60#include <stdio.h> 61#include "cryptlib.h" 62#include <openssl/pkcs12.h> 63 64/* Pack an object into an OCTET STRING and turn into a safebag */ 65 66PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, 67 int nid1, int nid2) 68{ 69 PKCS12_BAGS *bag; 70 PKCS12_SAFEBAG *safebag; 71 if (!(bag = PKCS12_BAGS_new())) { 72 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE); 73 return NULL; 74 } 75 bag->type = OBJ_nid2obj(nid1); 76 if (!ASN1_item_pack(obj, it, &bag->value.octet)) { 77 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE); 78 return NULL; 79 } 80 if (!(safebag = PKCS12_SAFEBAG_new())) { 81 PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE); 82 return NULL; 83 } 84 safebag->value.bag = bag; 85 safebag->type = OBJ_nid2obj(nid2); 86 return safebag; 87} 88 89/* Turn PKCS8 object into a keybag */ 90 91PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8) 92{ 93 PKCS12_SAFEBAG *bag; 94 if (!(bag = PKCS12_SAFEBAG_new())) { 95 PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG, ERR_R_MALLOC_FAILURE); 96 return NULL; 97 } 98 bag->type = OBJ_nid2obj(NID_keyBag); 99 bag->value.keybag = p8; 100 return bag; 101} 102 103/* Turn PKCS8 object into a shrouded keybag */ 104 105PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass, 106 int passlen, unsigned char *salt, 107 int saltlen, int iter, 108 PKCS8_PRIV_KEY_INFO *p8) 109{ 110 PKCS12_SAFEBAG *bag; 111 const EVP_CIPHER *pbe_ciph; 112 113 /* Set up the safe bag */ 114 if (!(bag = PKCS12_SAFEBAG_new())) { 115 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 116 return NULL; 117 } 118 119 bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag); 120 121 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 122 123 if (pbe_ciph) 124 pbe_nid = -1; 125 126 if (!(bag->value.shkeybag = 127 PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter, 128 p8))) { 129 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE); 130 return NULL; 131 } 132 133 return bag; 134} 135 136/* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */ 137PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk) 138{ 139 PKCS7 *p7; 140 if (!(p7 = PKCS7_new())) { 141 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 142 return NULL; 143 } 144 p7->type = OBJ_nid2obj(NID_pkcs7_data); 145 if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) { 146 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE); 147 return NULL; 148 } 149 150 if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) { 151 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE); 152 return NULL; 153 } 154 return p7; 155} 156 157/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */ 158STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7) 159{ 160 if (!PKCS7_type_is_data(p7)) { 161 PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA, 162 PKCS12_R_CONTENT_TYPE_NOT_DATA); 163 return NULL; 164 } 165 return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS)); 166} 167 168/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */ 169 170PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen, 171 unsigned char *salt, int saltlen, int iter, 172 STACK_OF(PKCS12_SAFEBAG) *bags) 173{ 174 PKCS7 *p7; 175 X509_ALGOR *pbe; 176 const EVP_CIPHER *pbe_ciph; 177 if (!(p7 = PKCS7_new())) { 178 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 179 return NULL; 180 } 181 if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) { 182 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, 183 PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE); 184 return NULL; 185 } 186 187 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 188 189 if (pbe_ciph) 190 pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen); 191 else 192 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen); 193 194 if (!pbe) { 195 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE); 196 return NULL; 197 } 198 X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm); 199 p7->d.encrypted->enc_data->algorithm = pbe; 200 M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data); 201 if (!(p7->d.encrypted->enc_data->enc_data = 202 PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, 203 passlen, bags, 1))) { 204 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR); 205 return NULL; 206 } 207 208 return p7; 209} 210 211STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, 212 int passlen) 213{ 214 if (!PKCS7_type_is_encrypted(p7)) 215 return NULL; 216 return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm, 217 ASN1_ITEM_rptr(PKCS12_SAFEBAGS), 218 pass, passlen, 219 p7->d.encrypted->enc_data->enc_data, 1); 220} 221 222PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, 223 const char *pass, int passlen) 224{ 225 return PKCS8_decrypt(bag->value.shkeybag, pass, passlen); 226} 227 228int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes) 229{ 230 if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES), 231 &p12->authsafes->d.data)) 232 return 1; 233 return 0; 234} 235 236STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12) 237{ 238 if (!PKCS7_type_is_data(p12->authsafes)) { 239 PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES, 240 PKCS12_R_CONTENT_TYPE_NOT_DATA); 241 return NULL; 242 } 243 return ASN1_item_unpack(p12->authsafes->d.data, 244 ASN1_ITEM_rptr(PKCS12_AUTHSAFES)); 245} 246