1 /*
2  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License, version 2.0,
6  * as published by the Free Software Foundation.
7  *
8  * This program is also distributed with certain software (including
9  * but not limited to OpenSSL) that is licensed under separate terms,
10  * as designated in a particular file or component or in included license
11  * documentation.  The authors of MySQL hereby grant you an additional
12  * permission to link the program and your derivative works with the
13  * separately licensed software that they have included with MySQL.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License, version 2.0, for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
23  */
24 
25 #include "plugin/x/src/challenge_response_verification.h"
26 
27 #include "crypt_genhash_impl.h"  // NOLINT(build/include_subdir)
28 #include "mysql_com.h"           // NOLINT(build/include_subdir)
29 
30 namespace xpl {
31 
Challenge_response_verification(iface::SHA256_password_cache * cache)32 Challenge_response_verification::Challenge_response_verification(
33     iface::SHA256_password_cache *cache)
34     : k_salt(generate_salt()), m_sha256_password_cache(cache) {}
35 
get_salt() const36 const std::string &Challenge_response_verification::get_salt() const {
37   return k_salt;
38 }
39 
generate_salt()40 std::string Challenge_response_verification::generate_salt() {
41   std::string salt(SCRAMBLE_LENGTH, '\0');
42   ::generate_user_salt(&salt[0], static_cast<int>(salt.size()));
43   return salt;
44 }
45 
46 }  // namespace xpl
47