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 "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     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
  91 PKCS12_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
 105 PKCS12_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 */
 137 PKCS7 *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 */
 158 STACK_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
 170 PKCS7 *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
 211 STACK_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
 222 PKCS8_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
 228 int 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
 236 STACK_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 }