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/*
Copyright (C) Red Hat 2019
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <stdbool.h>
#include <time.h>
#include <sys/types.h>
#include <unistd.h>
#include <openssl/rand.h>
#include "util/util_errors.h"
#include "util/crypto/sss_crypto.h"
int sss_generate_csprng_buffer(uint8_t *buf, size_t size)
{
if ((buf == NULL) || (size > INT_MAX)) {
return EINVAL;
}
if (RAND_bytes((unsigned char *)buf, (int)size) == 1) {
return EOK;
}
return EAGAIN;
}
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