crypto/pkcs12/p12_add.c

   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 "internal/cryptlib.h"
  62 #include <openssl/pkcs12.h>
  63
  64 /* Pack an object into an OCTET STRING and turn into a safebag */
  65
  66 PKCS12_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
  72     if ((bag = PKCS12_BAGS_new()) == NULL) {
  73         PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
  74         return NULL;
  75     }
  76     bag->type = OBJ_nid2obj(nid1);
  77     if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
  78         PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
  79         goto err;
  80     }
  81     if ((safebag = PKCS12_SAFEBAG_new()) == NULL) {
  82         PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
  83         goto err;
  84     }
  85     safebag->value.bag = bag;
  86     safebag->type = OBJ_nid2obj(nid2);
  87     return safebag;
  88
  89  err:
  90     PKCS12_BAGS_free(bag);
  91     return NULL;
  92 }
  93
  94 /* Turn PKCS8 object into a keybag */
  95
  96 PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)
  97 {
  98     PKCS12_SAFEBAG *bag;
  99
 100     if ((bag = PKCS12_SAFEBAG_new()) == NULL) {
 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 *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
 112                                      int passlen, unsigned char *salt,
 113                                      int saltlen, int iter,
 114                                      PKCS8_PRIV_KEY_INFO *p8)
 115 {
 116     PKCS12_SAFEBAG *bag;
 117     const EVP_CIPHER *pbe_ciph;
 118
 119     /* Set up the safe bag */
 120     if ((bag = PKCS12_SAFEBAG_new()) == NULL) {
 121         PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
 122         return NULL;
 123     }
 124
 125     bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
 126
 127     pbe_ciph = EVP_get_cipherbynid(pbe_nid);
 128
 129     if (pbe_ciph)
 130         pbe_nid = -1;
 131
 132     if (!(bag->value.shkeybag =
 133           PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
 134                         p8))) {
 135         PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
 136         PKCS12_SAFEBAG_free(bag);
 137         return NULL;
 138     }
 139
 140     return bag;
 141 }
 142
 143 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
 144 PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
 145 {
 146     PKCS7 *p7;
 147
 148     if ((p7 = PKCS7_new()) == NULL) {
 149         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
 150         return NULL;
 151     }
 152     p7->type = OBJ_nid2obj(NID_pkcs7_data);
 153     if ((p7->d.data = ASN1_OCTET_STRING_new()) == NULL) {
 154         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
 155         goto err;
 156     }
 157
 158     if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
 159         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
 160         goto err;
 161     }
 162     return p7;
 163
 164  err:
 165     PKCS7_free(p7);
 166     return NULL;
 167 }
 168
 169 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
 170 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
 171 {
 172     if (!PKCS7_type_is_data(p7)) {
 173         PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,
 174                   PKCS12_R_CONTENT_TYPE_NOT_DATA);
 175         return NULL;
 176     }
 177     return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
 178 }
 179
 180 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
 181
 182 PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
 183                              unsigned char *salt, int saltlen, int iter,
 184                              STACK_OF(PKCS12_SAFEBAG) *bags)
 185 {
 186     PKCS7 *p7;
 187     X509_ALGOR *pbe;
 188     const EVP_CIPHER *pbe_ciph;
 189
 190     if ((p7 = PKCS7_new()) == NULL) {
 191         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
 192         return NULL;
 193     }
 194     if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
 195         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
 196                   PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
 197         goto err;
 198     }
 199
 200     pbe_ciph = EVP_get_cipherbynid(pbe_nid);
 201
 202     if (pbe_ciph)
 203         pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen);
 204     else
 205         pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
 206
 207     if (!pbe) {
 208         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
 209         goto err;
 210     }
 211     X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
 212     p7->d.encrypted->enc_data->algorithm = pbe;
 213     ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
 214     if (!(p7->d.encrypted->enc_data->enc_data =
 215           PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass,
 216                                   passlen, bags, 1))) {
 217         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
 218         goto err;
 219     }
 220
 221     return p7;
 222
 223  err:
 224     PKCS7_free(p7);
 225     return NULL;
 226 }
 227
 228 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass,
 229                                                   int passlen)
 230 {
 231     if (!PKCS7_type_is_encrypted(p7))
 232         return NULL;
 233     return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
 234                                    ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
 235                                    pass, passlen,
 236                                    p7->d.encrypted->enc_data->enc_data, 1);
 237 }
 238
 239 PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag,
 240                                          const char *pass, int passlen)
 241 {
 242     return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
 243 }
 244
 245 int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
 246 {
 247     if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
 248                        &p12->authsafes->d.data))
 249         return 1;
 250     return 0;
 251 }
 252
 253 STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
 254 {
 255     if (!PKCS7_type_is_data(p12->authsafes)) {
 256         PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,
 257                   PKCS12_R_CONTENT_TYPE_NOT_DATA);
 258         return NULL;
 259     }
 260     return ASN1_item_unpack(p12->authsafes->d.data,
 261                             ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
 262 }