1 /*
2 * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10 #include "eng_local.h"
11
12 static ENGINE_TABLE *rsa_table = NULL;
13 static const int dummy_nid = 1;
14
ENGINE_unregister_RSA(ENGINE * e)15 void ENGINE_unregister_RSA(ENGINE *e)
16 {
17 engine_table_unregister(&rsa_table, e);
18 }
19
engine_unregister_all_RSA(void)20 static void engine_unregister_all_RSA(void)
21 {
22 engine_table_cleanup(&rsa_table);
23 }
24
ENGINE_register_RSA(ENGINE * e)25 int ENGINE_register_RSA(ENGINE *e)
26 {
27 if (e->rsa_meth)
28 return engine_table_register(&rsa_table,
29 engine_unregister_all_RSA, e, &dummy_nid,
30 1, 0);
31 return 1;
32 }
33
ENGINE_register_all_RSA(void)34 void ENGINE_register_all_RSA(void)
35 {
36 ENGINE *e;
37
38 for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
39 ENGINE_register_RSA(e);
40 }
41
ENGINE_set_default_RSA(ENGINE * e)42 int ENGINE_set_default_RSA(ENGINE *e)
43 {
44 if (e->rsa_meth)
45 return engine_table_register(&rsa_table,
46 engine_unregister_all_RSA, e, &dummy_nid,
47 1, 1);
48 return 1;
49 }
50
51 /*
52 * Exposed API function to get a functional reference from the implementation
53 * table (ie. try to get a functional reference from the tabled structural
54 * references).
55 */
ENGINE_get_default_RSA(void)56 ENGINE *ENGINE_get_default_RSA(void)
57 {
58 return engine_table_select(&rsa_table, dummy_nid);
59 }
60
61 /* Obtains an RSA implementation from an ENGINE functional reference */
ENGINE_get_RSA(const ENGINE * e)62 const RSA_METHOD *ENGINE_get_RSA(const ENGINE *e)
63 {
64 return e->rsa_meth;
65 }
66
67 /* Sets an RSA implementation in an ENGINE structure */
ENGINE_set_RSA(ENGINE * e,const RSA_METHOD * rsa_meth)68 int ENGINE_set_RSA(ENGINE *e, const RSA_METHOD *rsa_meth)
69 {
70 e->rsa_meth = rsa_meth;
71 return 1;
72 }
73