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
63int 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
69int 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
75ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
76	{
77	return e->load_privkey;
78	}
79
80ENGINE_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
87EVP_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
123EVP_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	}
158