1 /* ====================================================================
2 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * licensing@OpenSSL.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
49 * This product includes cryptographic software written by Eric Young
50 * (eay@cryptsoft.com). This product includes software written by Tim
51 * Hudson (tjh@cryptsoft.com).
57 /* If this symbol is defined then ENGINE_get_default_DSA(), the function that is
58 * used by DSA to hook in implementation code and cache defaults (etc), will
59 * display brief debugging summaries to stderr with the 'nid'. */
60 /* #define ENGINE_DSA_DEBUG */
62 static ENGINE_TABLE
*dsa_table
= NULL
;
63 static const int dummy_nid
= 1;
65 void ENGINE_unregister_DSA(ENGINE
*e
)
67 engine_table_unregister(&dsa_table
, e
);
70 static void engine_unregister_all_DSA(void)
72 engine_table_cleanup(&dsa_table
);
75 int ENGINE_register_DSA(ENGINE
*e
)
78 return engine_table_register(&dsa_table
,
79 engine_unregister_all_DSA
, e
, &dummy_nid
, 1, 0);
83 void ENGINE_register_all_DSA()
87 for(e
=ENGINE_get_first() ; e
; e
=ENGINE_get_next(e
))
88 ENGINE_register_DSA(e
);
91 int ENGINE_set_default_DSA(ENGINE
*e
)
94 return engine_table_register(&dsa_table
,
95 engine_unregister_all_DSA
, e
, &dummy_nid
, 1, 1);
99 /* Exposed API function to get a functional reference from the implementation
100 * table (ie. try to get a functional reference from the tabled structural
102 ENGINE
*ENGINE_get_default_DSA(void)
104 return engine_table_select(&dsa_table
, dummy_nid
);
107 /* Obtains an DSA implementation from an ENGINE functional reference */
108 const DSA_METHOD
*ENGINE_get_DSA(const ENGINE
*e
)
113 /* Sets an DSA implementation in an ENGINE structure */
114 int ENGINE_set_DSA(ENGINE
*e
, const DSA_METHOD
*dsa_meth
)
116 e
->dsa_meth
= dsa_meth
;