random.h 1.0 KB

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  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. #ifndef RANDOM_H
  15. #define RANDOM_H
  16. #ifdef CONFIG_NO_RANDOM_POOL
  17. #define random_init(e) do { } while (0)
  18. #define random_deinit() do { } while (0)
  19. #define random_add_randomness(b, l) do { } while (0)
  20. #define random_get_bytes(b, l) os_get_random((b), (l))
  21. #define random_pool_ready() 1
  22. #define random_mark_pool_ready() do { } while (0)
  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. #endif /* RANDOM_H */