1 /* $OpenBSD: p12_add.c,v 1.22 2023/02/16 08:38:17 tb 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 #include "pkcs12_local.h" 65 66 /* Pack an object into an OCTET STRING and turn into a safebag */ 67 68 PKCS12_SAFEBAG * 69 PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1, int nid2) 70 { 71 PKCS12_BAGS *bag; 72 PKCS12_SAFEBAG *safebag; 73 74 if (!(bag = PKCS12_BAGS_new())) { 75 PKCS12error(ERR_R_MALLOC_FAILURE); 76 return NULL; 77 } 78 bag->type = OBJ_nid2obj(nid1); 79 if (!ASN1_item_pack(obj, it, &bag->value.octet)) { 80 PKCS12error(ERR_R_MALLOC_FAILURE); 81 PKCS12_BAGS_free(bag); 82 return NULL; 83 } 84 if (!(safebag = PKCS12_SAFEBAG_new())) { 85 PKCS12error(ERR_R_MALLOC_FAILURE); 86 PKCS12_BAGS_free(bag); 87 return NULL; 88 } 89 safebag->value.bag = bag; 90 safebag->type = OBJ_nid2obj(nid2); 91 return safebag; 92 } 93 LCRYPTO_ALIAS(PKCS12_item_pack_safebag); 94 95 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */ 96 PKCS7 * 97 PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk) 98 { 99 PKCS7 *p7; 100 101 if (!(p7 = PKCS7_new())) { 102 PKCS12error(ERR_R_MALLOC_FAILURE); 103 return NULL; 104 } 105 p7->type = OBJ_nid2obj(NID_pkcs7_data); 106 if (!(p7->d.data = ASN1_OCTET_STRING_new())) { 107 PKCS12error(ERR_R_MALLOC_FAILURE); 108 goto err; 109 } 110 111 if (!ASN1_item_pack(sk, &PKCS12_SAFEBAGS_it, &p7->d.data)) { 112 PKCS12error(PKCS12_R_CANT_PACK_STRUCTURE); 113 goto err; 114 } 115 return p7; 116 117 err: 118 PKCS7_free(p7); 119 return NULL; 120 } 121 LCRYPTO_ALIAS(PKCS12_pack_p7data); 122 123 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */ 124 STACK_OF(PKCS12_SAFEBAG) * 125 PKCS12_unpack_p7data(PKCS7 *p7) 126 { 127 if (!PKCS7_type_is_data(p7)) { 128 PKCS12error(PKCS12_R_CONTENT_TYPE_NOT_DATA); 129 return NULL; 130 } 131 return ASN1_item_unpack(p7->d.data, &PKCS12_SAFEBAGS_it); 132 } 133 LCRYPTO_ALIAS(PKCS12_unpack_p7data); 134 135 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */ 136 137 PKCS7 * 138 PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen, 139 unsigned char *salt, int saltlen, int iter, STACK_OF(PKCS12_SAFEBAG) *bags) 140 { 141 PKCS7 *p7; 142 X509_ALGOR *pbe; 143 const EVP_CIPHER *pbe_ciph; 144 145 if (!(p7 = PKCS7_new())) { 146 PKCS12error(ERR_R_MALLOC_FAILURE); 147 return NULL; 148 } 149 if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) { 150 PKCS12error(PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE); 151 goto err; 152 } 153 154 pbe_ciph = EVP_get_cipherbynid(pbe_nid); 155 156 if (pbe_ciph) 157 pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen); 158 else 159 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen); 160 161 if (!pbe) { 162 PKCS12error(ERR_R_MALLOC_FAILURE); 163 goto err; 164 } 165 X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm); 166 p7->d.encrypted->enc_data->algorithm = pbe; 167 ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data); 168 if (!(p7->d.encrypted->enc_data->enc_data = PKCS12_item_i2d_encrypt( 169 pbe, &PKCS12_SAFEBAGS_it, pass, passlen, bags, 1))) { 170 PKCS12error(PKCS12_R_ENCRYPT_ERROR); 171 goto err; 172 } 173 174 return p7; 175 176 err: 177 PKCS7_free(p7); 178 return NULL; 179 } 180 LCRYPTO_ALIAS(PKCS12_pack_p7encdata); 181 182 STACK_OF(PKCS12_SAFEBAG) * 183 PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen) 184 { 185 if (!PKCS7_type_is_encrypted(p7)) 186 return NULL; 187 return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm, 188 &PKCS12_SAFEBAGS_it, pass, passlen, 189 p7->d.encrypted->enc_data->enc_data, 1); 190 } 191 LCRYPTO_ALIAS(PKCS12_unpack_p7encdata); 192 193 PKCS8_PRIV_KEY_INFO * 194 PKCS12_decrypt_skey(const PKCS12_SAFEBAG *bag, const char *pass, int passlen) 195 { 196 return PKCS8_decrypt(bag->value.shkeybag, pass, passlen); 197 } 198 LCRYPTO_ALIAS(PKCS12_decrypt_skey); 199 200 int 201 PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes) 202 { 203 if (ASN1_item_pack(safes, &PKCS12_AUTHSAFES_it, 204 &p12->authsafes->d.data)) 205 return 1; 206 return 0; 207 } 208 LCRYPTO_ALIAS(PKCS12_pack_authsafes); 209 210 STACK_OF(PKCS7) * 211 PKCS12_unpack_authsafes(const PKCS12 *p12) 212 { 213 if (!PKCS7_type_is_data(p12->authsafes)) { 214 PKCS12error(PKCS12_R_CONTENT_TYPE_NOT_DATA); 215 return NULL; 216 } 217 return ASN1_item_unpack(p12->authsafes->d.data, 218 &PKCS12_AUTHSAFES_it); 219 } 220 LCRYPTO_ALIAS(PKCS12_unpack_authsafes); 221