crypto/pkcs12/p12_p8e.c

   1 /*
   2  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   3  * 2001.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2001 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 "internal/cryptlib.h"
  61 #include <openssl/pkcs12.h>
  62
  63 X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
  64                         const char *pass, int passlen,
  65                         unsigned char *salt, int saltlen, int iter,
  66                         PKCS8_PRIV_KEY_INFO *p8inf)
  67 {
  68     X509_SIG *p8 = NULL;
  69     X509_ALGOR *pbe;
  70
  71     if (pbe_nid == -1)
  72         pbe = PKCS5_pbe2_set(cipher, iter, salt, saltlen);
  73     else if (EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
  74         pbe = PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, pbe_nid);
  75     else {
  76         ERR_clear_error();
  77         pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
  78     }
  79     if (!pbe) {
  80         PKCS12err(PKCS12_F_PKCS8_ENCRYPT, ERR_R_ASN1_LIB);
  81         return NULL;
  82     }
  83     p8 = PKCS8_set0_pbe(pass, passlen, p8inf, pbe);
  84     if (p8 == NULL) {
  85         X509_ALGOR_free(pbe);
  86         return NULL;
  87     }
  88
  89     return p8;
  90 }
  91
  92 X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen,
  93                          PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe)
  94 {
  95     X509_SIG *p8;
  96     ASN1_OCTET_STRING *enckey;
  97
  98     enckey =
  99         PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO),
 100                                 pass, passlen, p8inf, 1);
 101     if (!enckey) {
 102         PKCS12err(PKCS12_F_PKCS8_SET0_PBE, PKCS12_R_ENCRYPT_ERROR);
 103         return NULL;
 104     }
 105
 106     if ((p8 = X509_SIG_new()) == NULL) {
 107         PKCS12err(PKCS12_F_PKCS8_SET0_PBE, ERR_R_MALLOC_FAILURE);
 108         ASN1_OCTET_STRING_free(enckey);
 109         return NULL;
 110     }
 111     X509_ALGOR_free(p8->algor);
 112     ASN1_OCTET_STRING_free(p8->digest);
 113     p8->algor = pbe;
 114     p8->digest = enckey;
 115
 116     return p8;
 117 }