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/* Copyright (c) 2014, Google Inc.
*
* Permission to use, copy, modify, and/or 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. */
#ifndef OPENSSL_HEADER_RAND_H
#define OPENSSL_HEADER_RAND_H
#include <openssl/base.h>
#if defined(__cplusplus)
extern "C" {
#endif
/* RAND_bytes writes |len| bytes of random data to |buf|. It returns one on
* success and zero on otherwise. */
int RAND_bytes(uint8_t *buf, size_t len);
/* RAND_cleanup frees any resources used by the RNG. This is not safe if other
* threads might still be calling |RAND_bytes|. */
void RAND_cleanup();
/* Deprecated functions */
/* RAND_pseudo_bytes is a wrapper around |RAND_bytes|. */
int RAND_pseudo_bytes(uint8_t *buf, size_t len);
/* RAND_seed does nothing. */
void RAND_seed(const void *buf, int num);
/* RAND_add does nothing. */
void RAND_add(const void *buf, int num, double entropy);
/* RAND_poll returns one. */
int RAND_poll(void);
#if defined(__cplusplus)
} /* extern C */
#endif
#endif /* OPENSSL_HEADER_RAND_H */