crypto/openssl/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         goto err;
  79     }
  80     if (!(safebag = PKCS12_SAFEBAG_new())) {
  81         PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);
  82         goto err;
  83     }
  84     safebag->value.bag = bag;
  85     safebag->type = OBJ_nid2obj(nid2);
  86     return safebag;
  87
  88  err:
  89     PKCS12_BAGS_free(bag);
  90     return NULL;
  91 }
  92
  93 /* Turn PKCS8 object into a keybag */
  94
  95 PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)
  96 {
  97     PKCS12_SAFEBAG *bag;
  98     if (!(bag = PKCS12_SAFEBAG_new())) {
  99         PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG, 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 *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,
 110                                      int passlen, unsigned char *salt,
 111                                      int saltlen, int iter,
 112                                      PKCS8_PRIV_KEY_INFO *p8)
 113 {
 114     PKCS12_SAFEBAG *bag;
 115     const EVP_CIPHER *pbe_ciph;
 116
 117     /* Set up the safe bag */
 118     if (!(bag = PKCS12_SAFEBAG_new())) {
 119         PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
 120         return NULL;
 121     }
 122
 123     bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
 124
 125     pbe_ciph = EVP_get_cipherbynid(pbe_nid);
 126
 127     if (pbe_ciph)
 128         pbe_nid = -1;
 129
 130     if (!(bag->value.shkeybag =
 131           PKCS8_encrypt(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
 132                         p8))) {
 133         PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);
 134         PKCS12_SAFEBAG_free(bag);
 135         return NULL;
 136     }
 137
 138     return bag;
 139 }
 140
 141 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
 142 PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
 143 {
 144     PKCS7 *p7;
 145     if (!(p7 = PKCS7_new())) {
 146         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
 147         return NULL;
 148     }
 149     p7->type = OBJ_nid2obj(NID_pkcs7_data);
 150     if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {
 151         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);
 152         goto err;
 153     }
 154
 155     if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
 156         PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);
 157         goto err;
 158     }
 159     return p7;
 160
 161  err:
 162     PKCS7_free(p7);
 163     return NULL;
 164 }
 165
 166 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
 167 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
 168 {
 169     if (!PKCS7_type_is_data(p7)) {
 170         PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,
 171                   PKCS12_R_CONTENT_TYPE_NOT_DATA);
 172         return NULL;
 173     }
 174     return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
 175 }
 176
 177 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
 178
 179 PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
 180                              unsigned char *salt, int saltlen, int iter,
 181                              STACK_OF(PKCS12_SAFEBAG) *bags)
 182 {
 183     PKCS7 *p7;
 184     X509_ALGOR *pbe;
 185     const EVP_CIPHER *pbe_ciph;
 186     if (!(p7 = PKCS7_new())) {
 187         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
 188         return NULL;
 189     }
 190     if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
 191         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,
 192                   PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
 193         goto err;
 194     }
 195
 196     pbe_ciph = EVP_get_cipherbynid(pbe_nid);
 197
 198     if (pbe_ciph)
 199         pbe = PKCS5_pbe2_set(pbe_ciph, iter, salt, saltlen);
 200     else
 201         pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
 202
 203     if (!pbe) {
 204         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);
 205         goto err;
 206     }
 207     X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
 208     p7->d.encrypted->enc_data->algorithm = pbe;
 209     M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
 210     if (!(p7->d.encrypted->enc_data->enc_data =
 211           PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass,
 212                                   passlen, bags, 1))) {
 213         PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);
 214         goto err;
 215     }
 216
 217     return p7;
 218
 219  err:
 220     PKCS7_free(p7);
 221     return NULL;
 222 }
 223
 224 STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass,
 225                                                   int passlen)
 226 {
 227     if (!PKCS7_type_is_encrypted(p7))
 228         return NULL;
 229     return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
 230                                    ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
 231                                    pass, passlen,
 232                                    p7->d.encrypted->enc_data->enc_data, 1);
 233 }
 234
 235 PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag,
 236                                          const char *pass, int passlen)
 237 {
 238     return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);
 239 }
 240
 241 int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
 242 {
 243     if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
 244                        &p12->authsafes->d.data))
 245         return 1;
 246     return 0;
 247 }
 248
 249 STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)
 250 {
 251     if (!PKCS7_type_is_data(p12->authsafes)) {
 252         PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,
 253                   PKCS12_R_CONTENT_TYPE_NOT_DATA);
 254         return NULL;
 255     }
 256     return ASN1_item_unpack(p12->authsafes->d.data,
 257                             ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
 258 }