1 /*
2  * Copyright (C) 2018 Rafael Ostertag
3  *
4  * This file is part of YAPET.
5  *
6  * YAPET is free software: you can redistribute it and/or modify it under the
7  * terms of the GNU General Public License as published by the Free Software
8  * Foundation, either version 3 of the License, or (at your option) any later
9  * version.
10  *
11  * YAPET is distributed in the hope that it will be useful, but WITHOUT ANY
12  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
14  * details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * YAPET.  If not, see <http://www.gnu.org/licenses/>.
18  *
19  * Additional permission under GNU GPL version 3 section 7
20  *
21  * If you modify this program, or any covered work, by linking or combining it
22  * with the OpenSSL project's OpenSSL library (or a modified version of that
23  * library), containing parts covered by the terms of the OpenSSL or SSLeay
24  * licenses, Rafael Ostertag grants you additional permission to convey the
25  * resulting work.  Corresponding Source for a non-source form of such a
26  * combination shall include the source code for the parts of OpenSSL used as
27  * well as that of the covered work.
28  */
29 
30 #ifndef _RNG_HH
31 #define _RNG_HH
32 
33 #include <cstdint>
34 #include <random>
35 #include <rngengine.hh>
36 
37 namespace yapet {
38 namespace pwgen {
39 
40 class Rng {
41    private:
42     RngEngine _rngEngine;
43     std::uniform_int_distribution<std::uint8_t> _distribution;
44 
45    public:
46     Rng(std::uint8_t hi);
47     Rng(const Rng& rng);
48     Rng(Rng&& rng);
49     Rng& operator=(const Rng& rng);
50     Rng& operator=(Rng&& rng);
51 
52     std::uint8_t getNextInt();
53     std::uint8_t operator()();
54 };
55 
56 }  // namespace pwgen
57 }  // namespace yapet
58 
59 #endif