Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | } |