random.h revision 8d520ff1dc2da35cdca849e982051b86468016d8 
1/*
2 * Random number generator
3 * Copyright (c) 2010-2011, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#ifndef RANDOM_H
16#define RANDOM_H
17
18#ifdef CONFIG_NO_RANDOM_POOL
19#define random_init() do { } while (0)
20#define random_deinit() do { } while (0)
21#define random_add_randomness(b, l) do { } while (0)
22#define random_get_bytes(b, l) os_get_random((b), (l))
23#define random_pool_ready() 1
24#define random_mark_pool_ready() do { } while (0)
25#else /* CONFIG_NO_RANDOM_POOL */
26void random_init(void);
27void random_deinit(void);
28void random_add_randomness(const void *buf, size_t len);
29int random_get_bytes(void *buf, size_t len);
30int random_pool_ready(void);
31void random_mark_pool_ready(void);
32#endif /* CONFIG_NO_RANDOM_POOL */
33
34#endif /* RANDOM_H */
35