Import of openssl-0.9.8, a feature release.
[dragonfly.git] / 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
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25  *    licensing@OpenSSL.org.
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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,
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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         }