| /* 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 */ |