crypto/openssl-0.9/crypto/engine/eng_pkey.c

   1 /* crypto/engine/eng_pkey.c */
   2 /* ====================================================================
   3  * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in
  14  *    the documentation and/or other materials provided with the
  15  *    distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this
  18  *    software must display the following acknowledgment:
  19  *    "This product includes software developed by the OpenSSL Project
  20  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  21  *
  22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  23  *    endorse or promote products derived from this software without
  24  *    prior written permission. For written permission, please contact
  25  *    licensing@OpenSSL.org.
  26  *
  27  * 5. Products derived from this software may not be called "OpenSSL"
  28  *    nor may "OpenSSL" appear in their names without prior written
  29  *    permission of the OpenSSL Project.
  30  *
  31  * 6. Redistributions of any form whatsoever must retain the following
  32  *    acknowledgment:
  33  *    "This product includes software developed by the OpenSSL Project
  34  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  35  *
  36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  47  * OF THE POSSIBILITY OF SUCH DAMAGE.
  48  * ====================================================================
  49  *
  50  * This product includes cryptographic software written by Eric Young
  51  * (eay@cryptsoft.com).  This product includes software written by Tim
  52  * Hudson (tjh@cryptsoft.com).
  53  *
  54  */
  55
  56 #include "eng_int.h"
  57
  58 /* Basic get/set stuff */
  59
  60 int ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f)
  61         {
  62         e->load_privkey = loadpriv_f;
  63         return 1;
  64         }
  65
  66 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
  67         {
  68         e->load_pubkey = loadpub_f;
  69         return 1;
  70         }
  71
  72 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
  73         {
  74         return e->load_privkey;
  75         }
  76
  77 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
  78         {
  79         return e->load_pubkey;
  80         }
  81
  82 /* API functions to load public/private keys */
  83
  84 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
  85         UI_METHOD *ui_method, void *callback_data)
  86         {
  87         EVP_PKEY *pkey;
  88
  89         if(e == NULL)
  90                 {
  91                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
  92                         ERR_R_PASSED_NULL_PARAMETER);
  93                 return 0;
  94                 }
  95         CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
  96         if(e->funct_ref == 0)
  97                 {
  98                 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
  99                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
 100                         ENGINE_R_NOT_INITIALISED);
 101                 return 0;
 102                 }
 103         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 104         if (!e->load_privkey)
 105                 {
 106                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
 107                         ENGINE_R_NO_LOAD_FUNCTION);
 108                 return 0;
 109                 }
 110         pkey = e->load_privkey(e, key_id, ui_method, callback_data);
 111         if (!pkey)
 112                 {
 113                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
 114                         ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
 115                 return 0;
 116                 }
 117         return pkey;
 118         }
 119
 120 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
 121         UI_METHOD *ui_method, void *callback_data)
 122         {
 123         EVP_PKEY *pkey;
 124
 125         if(e == NULL)
 126                 {
 127                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 128                         ERR_R_PASSED_NULL_PARAMETER);
 129                 return 0;
 130                 }
 131         CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 132         if(e->funct_ref == 0)
 133                 {
 134                 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 135                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 136                         ENGINE_R_NOT_INITIALISED);
 137                 return 0;
 138                 }
 139         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 140         if (!e->load_pubkey)
 141                 {
 142                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 143                         ENGINE_R_NO_LOAD_FUNCTION);
 144                 return 0;
 145                 }
 146         pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
 147         if (!pkey)
 148                 {
 149                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 150                         ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
 151                 return 0;
 152                 }
 153         return pkey;
 154         }