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null_entropy.c 1.2KB

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  1. /*
  2. * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License as
  6. * published by the Free Software Foundation; either version 2 of the
  7. * License, or any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful, but
  10. * WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17. * 02110-1301, USA.
  18. */
  19. FILE_LICENCE ( GPL2_OR_LATER );
  20. /** @file
  21. *
  22. * Nonexistent entropy source
  23. *
  24. *
  25. * This source provides no entropy and must NOT be used in a
  26. * security-sensitive environment.
  27. */
  28. #include <ipxe/entropy.h>
  29. PROVIDE_ENTROPY_INLINE ( null, min_entropy_per_sample );
  30. PROVIDE_ENTROPY_INLINE ( null, entropy_enable );
  31. PROVIDE_ENTROPY_INLINE ( null, entropy_disable );
  32. PROVIDE_ENTROPY_INLINE ( null, get_noise );