crypto/pkcs12/p12_add.c

   1 /* p12_add.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 "pkcs12.h"
  62
  63 /* Pack an object into an OCTET STRING and turn into a safebag */
  64
  65 PKCS12_SAFEBAG *PKCS12_pack_safebag (obj, i2d, nid1, nid2)
  66 char *obj;
  67 int (*i2d)();
  68 int nid1;
  69 int nid2;
  70
  71 {
  72         PKCS12_BAGS *bag;
  73         PKCS12_SAFEBAG *safebag;
  74         if (!(bag = PKCS12_BAGS_new ())) {
  75                 PKCS12err(PKCS12_F_PKCS12_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
  76                 return NULL;
  77         }
  78         bag->type = OBJ_nid2obj(nid1);
  79         if (!ASN1_pack_string(obj, i2d, &bag->value.octet)) {
  80                 PKCS12err(PKCS12_F_PKCS12_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
  81                 return NULL;
  82         }
  83         if (!(safebag = PKCS12_SAFEBAG_new ())) {
  84                 PKCS12err(PKCS12_F_PKCS12_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
  85                 return NULL;
  86         }
  87         safebag->value.bag = bag;
  88         safebag->type = OBJ_nid2obj(nid2);
  89         return safebag;
  90 }
  91
  92 /* Turn PKCS8 object into a keybag */
  93
  94 PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG (p8)
  95 PKCS8_PRIV_KEY_INFO *p8;
  96 {
  97         PKCS12_SAFEBAG *bag;
  98         if (!(bag = PKCS12_SAFEBAG_new())) {
  99                 PKCS12err(PKCS12_F_PKCS12_MAKE_SAFEBAG, ERR_R_MALLOC_FAILURE);
 100                 return NULL;
 101         }
 102         bag->type = OBJ_nid2obj(NID_keyBag);
 103         bag->value.keybag = p8;
 104         return bag;
 105 }
 106
 107 /* Turn PKCS8 object into a shrouded keybag */
 108
 109 PKCS12_SAFEBAG
 110          *PKCS12_MAKE_SHKEYBAG (pbe_nid, pass, passlen, salt, saltlen, iter, p8)int pbe_nid;
 111 unsigned char *pass;
 112 int passlen;
 113 unsigned char *salt;
 114 int saltlen;
 115 int iter;
 116 PKCS8_PRIV_KEY_INFO *p8;
 117 {
 118         PKCS12_SAFEBAG *bag;
 119
 120         /* Set up the safe bag */
 121         if (!(bag = PKCS12_SAFEBAG_new ())) {
 122                 PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
 123                 return NULL;
 124         }
 125
 126         bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
 127         if (!(bag->value.shkeybag =
 128           PKCS8_encrypt(pbe_nid, pass, passlen, salt, saltlen, iter, 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 */
 137 PKCS7 *PKCS12_pack_p7data (sk)
 138 STACK *sk;
 139 {
 140         PKCS7 *p7;
 141         if (!(p7 = PKCS7_new())) {
 142                 PKCS12err(PKCS12_F_PKCS12_PACK_P7_DATA, ERR_R_MALLOC_FAILURE);
 143                 return NULL;
 144         }
 145         p7->type = OBJ_nid2obj(NID_pkcs7_data);
 146         if (!(p7->d.data = ASN1_OCTET_STRING_new())) {
 147                 PKCS12err(PKCS12_F_PKCS12_PACK_P7_DATA, ERR_R_MALLOC_FAILURE);
 148                 return NULL;
 149         }
 150
 151         if (!ASN1_seq_pack(sk, i2d_PKCS12_SAFEBAG, &p7->d.data->data,
 152                                         &p7->d.data->length)) {
 153                 PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
 154                 return NULL;
 155         }
 156         return p7;
 157 }
 158
 159 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
 160
 161 PKCS7 *PKCS12_pack_p7encdata (pbe_nid, pass, passlen, salt, saltlen, iter,
 162                                                                          bags)
 163 int pbe_nid;
 164 unsigned char *pass;
 165 int passlen;
 166 unsigned char *salt;
 167 int saltlen;
 168 int iter;
 169 STACK *bags;
 170 {
 171         PKCS7 *p7;
 172         X509_ALGOR *pbe;
 173         if (!(p7 = PKCS7_new())) {
 174                 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
 175                 return NULL;
 176         }
 177         p7->type = OBJ_nid2obj(NID_pkcs7_encrypted);
 178         if (!(p7->d.encrypted = PKCS7_ENCRYPT_new ())) {
 179                 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
 180                 return NULL;
 181         }
 182         ASN1_INTEGER_set (p7->d.encrypted->version, 0);
 183         p7->d.encrypted->enc_data->content_type = OBJ_nid2obj(NID_pkcs7_data);
 184         if (!(pbe = PKCS5_pbe_set (pbe_nid, iter, salt, saltlen))) {
 185                 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
 186                 return NULL;
 187         }
 188         X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
 189         p7->d.encrypted->enc_data->algorithm = pbe;
 190         ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
 191         if (!(p7->d.encrypted->enc_data->enc_data =
 192         PKCS12_i2d_encrypt (pbe, i2d_PKCS12_SAFEBAG, pass, passlen,
 193                                  (char *)bags, 1))) {
 194                 PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
 195                 return NULL;
 196         }
 197
 198         return p7;
 199 }
 200
 201 X509_SIG *PKCS8_encrypt (pbe_nid, pass, passlen, salt, saltlen, iter, p8inf)
 202 int pbe_nid;
 203 unsigned char *pass;
 204 int passlen;
 205 unsigned char *salt;
 206 int saltlen;
 207 int iter;
 208 PKCS8_PRIV_KEY_INFO *p8inf;
 209 {
 210         X509_SIG *p8;
 211         X509_ALGOR *pbe;
 212
 213         if (!(p8 = X509_SIG_new())) {
 214                 PKCS12err(PKCS12_F_PKCS8_ENCRYPT, ERR_R_MALLOC_FAILURE);
 215                 return NULL;
 216         }
 217
 218         if (!(pbe = PKCS5_pbe_set (pbe_nid, iter, salt, saltlen))) {
 219                 PKCS12err(PKCS12_F_PKCS8_ENCRYPT, ERR_R_MALLOC_FAILURE);
 220                 return NULL;
 221         }
 222         X509_ALGOR_free(p8->algor);
 223         p8->algor = pbe;
 224         ASN1_OCTET_STRING_free(p8->digest);
 225         if (!(p8->digest =
 226         PKCS12_i2d_encrypt (pbe, i2d_PKCS8_PRIV_KEY_INFO, pass, passlen,
 227                                                  (char *)p8inf, 0))) {
 228                 PKCS12err(PKCS12_F_PKCS8_ENCRYPT, PKCS12_R_ENCRYPT_ERROR);
 229                 return NULL;
 230         }
 231
 232         return p8;
 233 }