text: /*
   * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   * 2001.
   */
  /* ====================================================================
   * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. All advertising materials mentioning features or use of this
   *    software must display the following acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
   *
   * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
   *    endorse or promote products derived from this software without
   *    prior written permission. For written permission, please contact
   *    licensing@OpenSSL.org.
   *
   * 5. Products derived from this software may not be called "OpenSSL"
   *    nor may "OpenSSL" appear in their names without prior written
   *    permission of the OpenSSL Project.
   *
   * 6. Redistributions of any form whatsoever must retain the following
   *    acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
   *
   * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
   * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   * ====================================================================
   *
   * This product includes cryptographic software written by Eric Young
   * (eay@cryptsoft.com).  This product includes software written by Tim
   * Hudson (tjh@cryptsoft.com).
   *
   */
  
  #include <stdio.h>
  #include "internal/cryptlib.h"
  #include <openssl/pkcs12.h>
  #include "internal/x509_int.h"
  
  X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
                          const char *pass, int passlen,
                          unsigned char *salt, int saltlen, int iter,
                          PKCS8_PRIV_KEY_INFO *p8inf)
  {
      X509_SIG *p8 = NULL;
      X509_ALGOR *pbe;
  
      if (pbe_nid == -1)
          pbe = PKCS5_pbe2_set(cipher, iter, salt, saltlen);
      else if (EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
          pbe = PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, pbe_nid);
      else {
          ERR_clear_error();
          pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
      }
      if (!pbe) {
          PKCS12err(PKCS12_F_PKCS8_ENCRYPT, ERR_R_ASN1_LIB);
          return NULL;
      }
      p8 = PKCS8_set0_pbe(pass, passlen, p8inf, pbe);
      if (p8 == NULL) {
          X509_ALGOR_free(pbe);
          return NULL;
      }
  
      return p8;
  }
  
  X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen,
                           PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe)
  {
      X509_SIG *p8;
      ASN1_OCTET_STRING *enckey;
  
      enckey =
          PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO),
                                  pass, passlen, p8inf, 1);
      if (!enckey) {
          PKCS12err(PKCS12_F_PKCS8_SET0_PBE, PKCS12_R_ENCRYPT_ERROR);
          return NULL;
      }
  
      p8 = OPENSSL_zalloc(sizeof(*p8));
  
      if (p8 == NULL) {
          PKCS12err(PKCS12_F_PKCS8_SET0_PBE, ERR_R_MALLOC_FAILURE);
          ASN1_OCTET_STRING_free(enckey);
          return NULL;
      }
      p8->algor = pbe;
      p8->digest = enckey;
  
      return p8;
  }
  