2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include <openssl/evp.h>
13 static ENGINE_TABLE *pkey_meth_table = NULL;
15 void ENGINE_unregister_pkey_meths(ENGINE *e)
17 engine_table_unregister(&pkey_meth_table, e);
20 static void engine_unregister_all_pkey_meths(void)
22 engine_table_cleanup(&pkey_meth_table);
25 int ENGINE_register_pkey_meths(ENGINE *e)
29 int num_nids = e->pkey_meths(e, NULL, &nids, 0);
31 return engine_table_register(&pkey_meth_table,
32 engine_unregister_all_pkey_meths, e,
38 void ENGINE_register_all_pkey_meths(void)
42 for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
43 ENGINE_register_pkey_meths(e);
46 int ENGINE_set_default_pkey_meths(ENGINE *e)
50 int num_nids = e->pkey_meths(e, NULL, &nids, 0);
52 return engine_table_register(&pkey_meth_table,
53 engine_unregister_all_pkey_meths, e,
60 * Exposed API function to get a functional reference from the implementation
61 * table (ie. try to get a functional reference from the tabled structural
62 * references) for a given pkey_meth 'nid'
64 ENGINE *ENGINE_get_pkey_meth_engine(int nid)
66 return engine_table_select(&pkey_meth_table, nid);
69 /* Obtains a pkey_meth implementation from an ENGINE functional reference */
70 const EVP_PKEY_METHOD *ENGINE_get_pkey_meth(ENGINE *e, int nid)
73 ENGINE_PKEY_METHS_PTR fn = ENGINE_get_pkey_meths(e);
74 if (!fn || !fn(e, &ret, NULL, nid)) {
75 ENGINEerr(ENGINE_F_ENGINE_GET_PKEY_METH,
76 ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD);
82 /* Gets the pkey_meth callback from an ENGINE structure */
83 ENGINE_PKEY_METHS_PTR ENGINE_get_pkey_meths(const ENGINE *e)
88 /* Sets the pkey_meth callback in an ENGINE structure */
89 int ENGINE_set_pkey_meths(ENGINE *e, ENGINE_PKEY_METHS_PTR f)
96 * Internal function to free up EVP_PKEY_METHOD structures before an ENGINE
100 void engine_pkey_meths_free(ENGINE *e)
103 EVP_PKEY_METHOD *pkm;
107 npknids = e->pkey_meths(e, NULL, &pknids, 0);
108 for (i = 0; i < npknids; i++) {
109 if (e->pkey_meths(e, &pkm, NULL, pknids[i])) {
110 EVP_PKEY_meth_free(pkm);