18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/*
28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Random number generator
38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2010-2011, Jouni Malinen <j@w1.fi>
48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *
5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license.
6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details.
78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */
88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef RANDOM_H
108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define RANDOM_H
118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_NO_RANDOM_POOL
1375ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen#define random_init(e) do { } while (0)
148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define random_deinit() do { } while (0)
158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define random_add_randomness(b, l) do { } while (0)
168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define random_get_bytes(b, l) os_get_random((b), (l))
178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define random_pool_ready() 1
188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define random_mark_pool_ready() do { } while (0)
198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_NO_RANDOM_POOL */
2075ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinenvoid random_init(const char *entropy_file);
218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid random_deinit(void);
228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid random_add_randomness(const void *buf, size_t len);
238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint random_get_bytes(void *buf, size_t len);
248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint random_pool_ready(void);
258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid random_mark_pool_ready(void);
268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RANDOM_POOL */
278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* RANDOM_H */
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