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author | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 |
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committer | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 |
commit | aa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch) | |
tree | 4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/crypto/engine/tb_cipher.c | |
download | smtps-and-pop3s-console-program-master.tar.gz smtps-and-pop3s-console-program-master.zip |
Diffstat (limited to 'openssl-1.1.0h/crypto/engine/tb_cipher.c')
-rw-r--r-- | openssl-1.1.0h/crypto/engine/tb_cipher.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/engine/tb_cipher.c b/openssl-1.1.0h/crypto/engine/tb_cipher.c new file mode 100644 index 0000000..ac49141 --- /dev/null +++ b/openssl-1.1.0h/crypto/engine/tb_cipher.c @@ -0,0 +1,91 @@ +/* + * Copyright 2001-2016 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_int.h" + +static ENGINE_TABLE *cipher_table = NULL; + +void ENGINE_unregister_ciphers(ENGINE *e) +{ + engine_table_unregister(&cipher_table, e); +} + +static void engine_unregister_all_ciphers(void) +{ + engine_table_cleanup(&cipher_table); +} + +int ENGINE_register_ciphers(ENGINE *e) +{ + if (e->ciphers) { + const int *nids; + int num_nids = e->ciphers(e, NULL, &nids, 0); + if (num_nids > 0) + return engine_table_register(&cipher_table, + engine_unregister_all_ciphers, e, + nids, num_nids, 0); + } + return 1; +} + +void ENGINE_register_all_ciphers() +{ + ENGINE *e; + + for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e)) + ENGINE_register_ciphers(e); +} + +int ENGINE_set_default_ciphers(ENGINE *e) +{ + if (e->ciphers) { + const int *nids; + int num_nids = e->ciphers(e, NULL, &nids, 0); + if (num_nids > 0) + return engine_table_register(&cipher_table, + engine_unregister_all_ciphers, e, + nids, num_nids, 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) for a given cipher 'nid' + */ +ENGINE *ENGINE_get_cipher_engine(int nid) +{ + return engine_table_select(&cipher_table, nid); +} + +/* Obtains a cipher implementation from an ENGINE functional reference */ +const EVP_CIPHER *ENGINE_get_cipher(ENGINE *e, int nid) +{ + const EVP_CIPHER *ret; + ENGINE_CIPHERS_PTR fn = ENGINE_get_ciphers(e); + if (!fn || !fn(e, &ret, NULL, nid)) { + ENGINEerr(ENGINE_F_ENGINE_GET_CIPHER, ENGINE_R_UNIMPLEMENTED_CIPHER); + return NULL; + } + return ret; +} + +/* Gets the cipher callback from an ENGINE structure */ +ENGINE_CIPHERS_PTR ENGINE_get_ciphers(const ENGINE *e) +{ + return e->ciphers; +} + +/* Sets the cipher callback in an ENGINE structure */ +int ENGINE_set_ciphers(ENGINE *e, ENGINE_CIPHERS_PTR f) +{ + e->ciphers = f; + return 1; +} |