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
60int 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
66int 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
72ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
73	{
74	return e->load_privkey;
75	}
76
77ENGINE_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
84EVP_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
120EVP_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	}
155