random-none.c 1.1 KB

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  1. /*
  2. * QEMU Crypto "none" random number provider
  3. *
  4. * Copyright (c) 2020 Marek Marczykowski-Górecki
  5. * <marmarek@invisiblethingslab.com>
  6. *
  7. * This library is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * This library is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19. *
  20. */
  21. #include "qemu/osdep.h"
  22. #include "crypto/random.h"
  23. #include "qapi/error.h"
  24. int qcrypto_random_init(Error **errp)
  25. {
  26. return 0;
  27. }
  28. int qcrypto_random_bytes(void *buf,
  29. size_t buflen,
  30. Error **errp)
  31. {
  32. error_setg(errp, "Random bytes not available with \"none\" rng");
  33. return -1;
  34. }