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 #ifdef LOS_WPA_PATCH 14 int random_get_bytes(void *buf, size_t len); 15 #else 16 #define random_init(e) do { } while (0) 17 #define random_deinit() do { } while (0) 18 #define random_add_randomness(b, l) do { } while (0) 19 #define random_get_bytes(b, l) os_get_random((b), (l)) 20 #define random_pool_ready() 1 21 #define random_mark_pool_ready() do { } while (0) 22 #endif /* LOS_WPA_PATCH */ 23 #else /* CONFIG_NO_RANDOM_POOL */ 24 void random_init(const char *entropy_file); 25 void random_deinit(void); 26 void random_add_randomness(const void *buf, size_t len); 27 int random_get_bytes(void *buf, size_t len); 28 int random_pool_ready(void); 29 void random_mark_pool_ready(void); 30 #endif /* CONFIG_NO_RANDOM_POOL */ 31 32 #endif /* RANDOM_H */ 33