openssl/crypto/engine/tb_eckey.c

73 lines
1.8 KiB
C
Raw Normal View History

2023-05-09 22:08:48 +00:00
/*
* Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "eng_local.h"
static ENGINE_TABLE *dh_table = NULL;
static const int dummy_nid = 1;
void ENGINE_unregister_EC(ENGINE *e)
{
engine_table_unregister(&dh_table, e);
}
static void engine_unregister_all_EC(void)
{
engine_table_cleanup(&dh_table);
}
int ENGINE_register_EC(ENGINE *e)
{
if (e->ec_meth != NULL)
return engine_table_register(&dh_table,
engine_unregister_all_EC, e, &dummy_nid,
1, 0);
return 1;
}
void ENGINE_register_all_EC(void)
{
ENGINE *e;
for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
ENGINE_register_EC(e);
}
int ENGINE_set_default_EC(ENGINE *e)
{
if (e->ec_meth != NULL)
return engine_table_register(&dh_table,
engine_unregister_all_EC, e, &dummy_nid,
1, 1);
return 1;
}
/*
* Exposed API function to get a functional reference from the implementation
* table (ie. try to get a functional reference from the tabled structural
* references).
*/
ENGINE *ENGINE_get_default_EC(void)
{
return engine_table_select(&dh_table, dummy_nid);
}
/* Obtains an EC_KEY implementation from an ENGINE functional reference */
const EC_KEY_METHOD *ENGINE_get_EC(const ENGINE *e)
{
return e->ec_meth;
}
/* Sets an EC_KEY implementation in an ENGINE structure */
int ENGINE_set_EC(ENGINE *e, const EC_KEY_METHOD *ec_meth)
{
e->ec_meth = ec_meth;
return 1;
}