1/* 2 * Random number generator 3 * Copyright (c) 2010-2011, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#ifndef RANDOM_H 10#define RANDOM_H 11 12#ifdef CONFIG_NO_RANDOM_POOL 13#define random_init(e) do { } while (0) 14#define random_deinit() do { } while (0) 15#define random_add_randomness(b, l) do { } while (0) 16#define random_get_bytes(b, l) os_get_random((b), (l)) 17#define random_pool_ready() 1 18#define random_mark_pool_ready() do { } while (0) 19#else /* CONFIG_NO_RANDOM_POOL */ 20void random_init(const char *entropy_file); 21void random_deinit(void); 22void random_add_randomness(const void *buf, size_t len); 23int random_get_bytes(void *buf, size_t len); 24int random_pool_ready(void); 25void random_mark_pool_ready(void); 26#endif /* CONFIG_NO_RANDOM_POOL */ 27 28#endif /* RANDOM_H */ 29