LXR qemu/crypto/random-none.c

   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
  22#include "qemu/osdep.h"
  23
  24#include "crypto/random.h"
  25#include "qapi/error.h"
  26
  27int qcrypto_random_init(Error **errp)
  28{
  29    return 0;
  30}
  31
  32int qcrypto_random_bytes(void *buf,
  33                         size_t buflen,
  34                         Error **errp)
  35{
  36    error_setg(errp, "Random bytes not available with \"none\" rng");
  37    return -1;
  38}
  39