xref: /freebsd/crypto/openssl/crypto/engine/eng_pkey.c (revision 907b59d76938e654f0d040a888e8dfca3de1e222)
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,
61                                      ENGINE_LOAD_KEY_PTR loadpriv_f)
62 {
63     e->load_privkey = loadpriv_f;
64     return 1;
65 }
66 
67 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
68 {
69     e->load_pubkey = loadpub_f;
70     return 1;
71 }
72 
73 int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
74                                              ENGINE_SSL_CLIENT_CERT_PTR
75                                              loadssl_f)
76 {
77     e->load_ssl_client_cert = loadssl_f;
78     return 1;
79 }
80 
81 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
82 {
83     return e->load_privkey;
84 }
85 
86 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
87 {
88     return e->load_pubkey;
89 }
90 
91 ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE
92                                                                *e)
93 {
94     return e->load_ssl_client_cert;
95 }
96 
97 /* API functions to load public/private keys */
98 
99 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
100                                   UI_METHOD *ui_method, void *callback_data)
101 {
102     EVP_PKEY *pkey;
103 
104     if (e == NULL) {
105         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
106                   ERR_R_PASSED_NULL_PARAMETER);
107         return 0;
108     }
109     CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
110     if (e->funct_ref == 0) {
111         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
112         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, ENGINE_R_NOT_INITIALISED);
113         return 0;
114     }
115     CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
116     if (!e->load_privkey) {
117         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
118                   ENGINE_R_NO_LOAD_FUNCTION);
119         return 0;
120     }
121     pkey = e->load_privkey(e, key_id, ui_method, callback_data);
122     if (!pkey) {
123         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
124                   ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
125         return 0;
126     }
127     return pkey;
128 }
129 
130 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
131                                  UI_METHOD *ui_method, void *callback_data)
132 {
133     EVP_PKEY *pkey;
134 
135     if (e == NULL) {
136         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
137                   ERR_R_PASSED_NULL_PARAMETER);
138         return 0;
139     }
140     CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
141     if (e->funct_ref == 0) {
142         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
143         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NOT_INITIALISED);
144         return 0;
145     }
146     CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
147     if (!e->load_pubkey) {
148         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NO_LOAD_FUNCTION);
149         return 0;
150     }
151     pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
152     if (!pkey) {
153         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
154                   ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
155         return 0;
156     }
157     return pkey;
158 }
159 
160 int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
161                                 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
162                                 EVP_PKEY **ppkey, STACK_OF(X509) **pother,
163                                 UI_METHOD *ui_method, void *callback_data)
164 {
165 
166     if (e == NULL) {
167         ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
168                   ERR_R_PASSED_NULL_PARAMETER);
169         return 0;
170     }
171     CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
172     if (e->funct_ref == 0) {
173         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
174         ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
175                   ENGINE_R_NOT_INITIALISED);
176         return 0;
177     }
178     CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
179     if (!e->load_ssl_client_cert) {
180         ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
181                   ENGINE_R_NO_LOAD_FUNCTION);
182         return 0;
183     }
184     return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
185                                    ui_method, callback_data);
186 }
187