2 * Copyright 2001-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
10 /* We need to use some engine deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
13 #include "eng_local.h"
15 static ENGINE_TABLE *digest_table = NULL;
17 void ENGINE_unregister_digests(ENGINE *e)
19 engine_table_unregister(&digest_table, e);
22 static void engine_unregister_all_digests(void)
24 engine_table_cleanup(&digest_table);
27 int ENGINE_register_digests(ENGINE *e)
31 int num_nids = e->digests(e, NULL, &nids, 0);
33 return engine_table_register(&digest_table,
34 engine_unregister_all_digests, e,
40 void ENGINE_register_all_digests(void)
44 for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
45 ENGINE_register_digests(e);
48 int ENGINE_set_default_digests(ENGINE *e)
52 int num_nids = e->digests(e, NULL, &nids, 0);
54 return engine_table_register(&digest_table,
55 engine_unregister_all_digests, e,
62 * Exposed API function to get a functional reference from the implementation
63 * table (ie. try to get a functional reference from the tabled structural
64 * references) for a given digest 'nid'
66 ENGINE *ENGINE_get_digest_engine(int nid)
68 return ossl_engine_table_select(&digest_table, nid,
69 OPENSSL_FILE, OPENSSL_LINE);
72 /* Obtains a digest implementation from an ENGINE functional reference */
73 const EVP_MD *ENGINE_get_digest(ENGINE *e, int nid)
76 ENGINE_DIGESTS_PTR fn = ENGINE_get_digests(e);
77 if (!fn || !fn(e, &ret, NULL, nid)) {
78 ERR_raise(ERR_LIB_ENGINE, ENGINE_R_UNIMPLEMENTED_DIGEST);
84 /* Gets the digest callback from an ENGINE structure */
85 ENGINE_DIGESTS_PTR ENGINE_get_digests(const ENGINE *e)
90 /* Sets the digest callback in an ENGINE structure */
91 int ENGINE_set_digests(ENGINE *e, ENGINE_DIGESTS_PTR f)