make update (libeay.num has been edited to match 0.9.7-stable)
[openssl.git] / 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 <openssl/crypto.h>
57 #include "cryptlib.h"
58 #include "eng_int.h"
59 #include <openssl/engine.h>
60
61 /* Basic get/set stuff */
62
63 int ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f)
64         {
65         e->load_privkey = loadpriv_f;
66         return 1;
67         }
68
69 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
70         {
71         e->load_pubkey = loadpub_f;
72         return 1;
73         }
74
75 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
76         {
77         return e->load_privkey;
78         }
79
80 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
81         {
82         return e->load_pubkey;
83         }
84
85 /* API functions to load public/private keys */
86
87 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
88         UI_METHOD *ui_method, void *callback_data)
89         {
90         EVP_PKEY *pkey;
91
92         if(e == NULL)
93                 {
94                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
95                         ERR_R_PASSED_NULL_PARAMETER);
96                 return 0;
97                 }
98         CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
99         if(e->funct_ref == 0)
100                 {
101                 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
102                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
103                         ENGINE_R_NOT_INITIALISED);
104                 return 0;
105                 }
106         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
107         if (!e->load_privkey)
108                 {
109                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
110                         ENGINE_R_NO_LOAD_FUNCTION);
111                 return 0;
112                 }
113         pkey = e->load_privkey(e, key_id, ui_method, callback_data);
114         if (!pkey)
115                 {
116                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
117                         ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
118                 return 0;
119                 }
120         return pkey;
121         }
122
123 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
124         UI_METHOD *ui_method, void *callback_data)
125         {
126         EVP_PKEY *pkey;
127
128         if(e == NULL)
129                 {
130                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
131                         ERR_R_PASSED_NULL_PARAMETER);
132                 return 0;
133                 }
134         CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
135         if(e->funct_ref == 0)
136                 {
137                 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
138                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
139                         ENGINE_R_NOT_INITIALISED);
140                 return 0;
141                 }
142         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
143         if (!e->load_pubkey)
144                 {
145                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
146                         ENGINE_R_NO_LOAD_FUNCTION);
147                 return 0;
148                 }
149         pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
150         if (!pkey)
151                 {
152                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
153                         ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
154                 return 0;
155                 }
156         return pkey;
157         }