cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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random-none.c (1176B)

      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}