[331] | 1 | /*
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| 2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include "eng_int.h"
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| 11 |
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| 12 | static ENGINE_TABLE *dh_table = NULL;
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| 13 | static const int dummy_nid = 1;
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| 14 |
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| 15 | void ENGINE_unregister_EC(ENGINE *e)
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| 16 | {
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| 17 | engine_table_unregister(&dh_table, e);
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| 18 | }
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| 19 |
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| 20 | static void engine_unregister_all_EC(void)
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| 21 | {
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| 22 | engine_table_cleanup(&dh_table);
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| 23 | }
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| 24 |
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| 25 | int ENGINE_register_EC(ENGINE *e)
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| 26 | {
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| 27 | if (e->ec_meth != NULL)
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| 28 | return engine_table_register(&dh_table,
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| 29 | engine_unregister_all_EC, e, &dummy_nid,
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| 30 | 1, 0);
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| 31 | return 1;
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| 32 | }
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| 33 |
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| 34 | void ENGINE_register_all_EC()
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| 35 | {
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| 36 | ENGINE *e;
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| 37 |
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| 38 | for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
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| 39 | ENGINE_register_EC(e);
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| 40 | }
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| 41 |
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| 42 | int ENGINE_set_default_EC(ENGINE *e)
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| 43 | {
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| 44 | if (e->ec_meth != NULL)
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| 45 | return engine_table_register(&dh_table,
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| 46 | engine_unregister_all_EC, e, &dummy_nid,
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| 47 | 1, 1);
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| 48 | return 1;
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| 49 | }
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| 50 |
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| 51 | /*
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| 52 | * Exposed API function to get a functional reference from the implementation
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| 53 | * table (ie. try to get a functional reference from the tabled structural
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| 54 | * references).
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| 55 | */
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| 56 | ENGINE *ENGINE_get_default_EC(void)
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| 57 | {
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| 58 | return engine_table_select(&dh_table, dummy_nid);
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| 59 | }
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| 60 |
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| 61 | /* Obtains an EC_KEY implementation from an ENGINE functional reference */
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| 62 | const EC_KEY_METHOD *ENGINE_get_EC(const ENGINE *e)
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| 63 | {
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| 64 | return e->ec_meth;
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| 65 | }
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| 66 |
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| 67 | /* Sets an EC_KEY implementation in an ENGINE structure */
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| 68 | int ENGINE_set_EC(ENGINE *e, const EC_KEY_METHOD *ec_meth)
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| 69 | {
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| 70 | e->ec_meth = ec_meth;
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| 71 | return 1;
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| 72 | }
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