1 /* |
|
2 * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com> |
|
3 * |
|
4 * This file is part of Libav. |
|
5 * |
|
6 * Libav is free software; you can redistribute it and/or |
|
7 * modify it under the terms of the GNU Lesser General Public |
|
8 * License as published by the Free Software Foundation; either |
|
9 * version 2.1 of the License, or (at your option) any later version. |
|
10 * |
|
11 * Libav is distributed in the hope that it will be useful, |
|
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
14 * Lesser General Public License for more details. |
|
15 * |
|
16 * You should have received a copy of the GNU Lesser General Public |
|
17 * License along with Libav; if not, write to the Free Software |
|
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
19 */ |
|
20 |
|
21 #ifndef AVUTIL_RANDOM_SEED_H |
|
22 #define AVUTIL_RANDOM_SEED_H |
|
23 |
|
24 #include <stdint.h> |
|
25 /** |
|
26 * @addtogroup lavu_crypto |
|
27 * @{ |
|
28 */ |
|
29 |
|
30 /** |
|
31 * Get random data. |
|
32 * |
|
33 * This function can be called repeatedly to generate more random bits |
|
34 * as needed. It is generally quite slow, and usually used to seed a |
|
35 * PRNG. As it uses /dev/urandom and /dev/random, the quality of the |
|
36 * returned random data depends on the platform. |
|
37 */ |
|
38 uint32_t av_get_random_seed(void); |
|
39 |
|
40 /** |
|
41 * @} |
|
42 */ |
|
43 |
|
44 #endif /* AVUTIL_RANDOM_SEED_H */ |
|