qemu/crypto/random-gcrypt.c

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/*
* QEMU Crypto random number provider
*
* Copyright (c) 2015-2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "crypto/random.h"
#include <gcrypt.h>
int qcrypto_random_bytes(void *buf,
size_t buflen,
Error **errp G_GNUC_UNUSED)
{
gcry_randomize(buf, buflen, GCRY_STRONG_RANDOM);
return 0;
}
int qcrypto_random_init(Error **errp G_GNUC_UNUSED) { return 0; }