yuzu/externals/libressl/crypto/rand/rand_lib.c

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2020-12-28 19:15:37 +04:00
/* $OpenBSD: rand_lib.c,v 1.20 2014/10/22 13:02:04 jsing Exp $ */
/*
* Copyright (c) 2014 Ted Unangst <tedu@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <openssl/opensslconf.h>
#include <openssl/rand.h>
/*
* The useful functions in this file are at the bottom.
*/
int
RAND_set_rand_method(const RAND_METHOD *meth)
{
return 1;
}
const RAND_METHOD *
RAND_get_rand_method(void)
{
return NULL;
}
RAND_METHOD *
RAND_SSLeay(void)
{
return NULL;
}
#ifndef OPENSSL_NO_ENGINE
int
RAND_set_rand_engine(ENGINE *engine)
{
return 1;
}
#endif
void
RAND_cleanup(void)
{
}
void
RAND_seed(const void *buf, int num)
{
}
void
RAND_add(const void *buf, int num, double entropy)
{
}
int
RAND_status(void)
{
return 1;
}
int
RAND_poll(void)
{
return 1;
}
/*
* Hurray. You've made it to the good parts.
*/
int
RAND_bytes(unsigned char *buf, int num)
{
if (num > 0)
arc4random_buf(buf, num);
return 1;
}
int
RAND_pseudo_bytes(unsigned char *buf, int num)
{
if (num > 0)
arc4random_buf(buf, num);
return 1;
}