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Commit | Line | Data |
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b1322259 | 1 | /* |
83cf7abf | 2 | * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. |
28572b57 | 3 | * |
3c120f91 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
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 | |
28572b57 DSH |
8 | */ |
9 | ||
706457b7 | 10 | #include "eng_local.h" |
28572b57 | 11 | |
28572b57 DSH |
12 | static ENGINE_TABLE *dh_table = NULL; |
13 | static const int dummy_nid = 1; | |
14 | ||
7d711cbc | 15 | void ENGINE_unregister_EC(ENGINE *e) |
28572b57 DSH |
16 | { |
17 | engine_table_unregister(&dh_table, e); | |
18 | } | |
19 | ||
7d711cbc | 20 | static void engine_unregister_all_EC(void) |
28572b57 DSH |
21 | { |
22 | engine_table_cleanup(&dh_table); | |
23 | } | |
24 | ||
7d711cbc | 25 | int ENGINE_register_EC(ENGINE *e) |
28572b57 | 26 | { |
91e7bcc2 | 27 | if (e->ec_meth != NULL) |
28572b57 | 28 | return engine_table_register(&dh_table, |
7d711cbc | 29 | engine_unregister_all_EC, e, &dummy_nid, |
28572b57 DSH |
30 | 1, 0); |
31 | return 1; | |
32 | } | |
33 | ||
3cb7c5cf | 34 | void ENGINE_register_all_EC(void) |
28572b57 DSH |
35 | { |
36 | ENGINE *e; | |
37 | ||
38 | for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e)) | |
7d711cbc | 39 | ENGINE_register_EC(e); |
28572b57 DSH |
40 | } |
41 | ||
7d711cbc | 42 | int ENGINE_set_default_EC(ENGINE *e) |
28572b57 | 43 | { |
91e7bcc2 | 44 | if (e->ec_meth != NULL) |
28572b57 | 45 | return engine_table_register(&dh_table, |
7d711cbc | 46 | engine_unregister_all_EC, e, &dummy_nid, |
28572b57 DSH |
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 | */ | |
7d711cbc | 56 | ENGINE *ENGINE_get_default_EC(void) |
28572b57 DSH |
57 | { |
58 | return engine_table_select(&dh_table, dummy_nid); | |
59 | } | |
60 | ||
61 | /* Obtains an EC_KEY implementation from an ENGINE functional reference */ | |
7d711cbc | 62 | const EC_KEY_METHOD *ENGINE_get_EC(const ENGINE *e) |
28572b57 | 63 | { |
7d711cbc | 64 | return e->ec_meth; |
28572b57 DSH |
65 | } |
66 | ||
67 | /* Sets an EC_KEY implementation in an ENGINE structure */ | |
7d711cbc | 68 | int ENGINE_set_EC(ENGINE *e, const EC_KEY_METHOD *ec_meth) |
28572b57 | 69 | { |
7d711cbc | 70 | e->ec_meth = ec_meth; |
28572b57 DSH |
71 | return 1; |
72 | } |