1 /* 2 * Random number generator 3 * Copyright (c) 2010-2011, Jouni Malinen <j (at) 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 */ 20 void random_init(const char *entropy_file); 21 void random_deinit(void); 22 void random_add_randomness(const void *buf, size_t len); 23 int random_get_bytes(void *buf, size_t len); 24 int random_pool_ready(void); 25 void random_mark_pool_ready(void); 26 #endif /* CONFIG_NO_RANDOM_POOL */ 27 28 #endif /* RANDOM_H */ 29
