| Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame^] | 1 | /* Copyright (c) 2014, Google Inc. |
| 2 | * |
| 3 | * Permission to use, copy, modify, and/or distribute this software for any |
| 4 | * purpose with or without fee is hereby granted, provided that the above |
| 5 | * copyright notice and this permission notice appear in all copies. |
| 6 | * |
| 7 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 8 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 9 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 10 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 11 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 12 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 13 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| 14 | |
| 15 | #ifndef OPENSSL_HEADER_RAND_H |
| 16 | #define OPENSSL_HEADER_RAND_H |
| 17 | |
| 18 | #include <openssl/base.h> |
| 19 | |
| 20 | #if defined(__cplusplus) |
| 21 | extern "C" { |
| 22 | #endif |
| 23 | |
| 24 | |
| 25 | /* RAND_bytes writes |len| bytes of random data to |buf|. It returns one on |
| 26 | * success and zero on otherwise. */ |
| 27 | int RAND_bytes(uint8_t *buf, size_t len); |
| 28 | |
| 29 | /* RAND_cleanup frees any resources used by the RNG. This is not safe if other |
| 30 | * threads might still be calling |RAND_bytes|. */ |
| 31 | void RAND_cleanup(); |
| 32 | |
| 33 | |
| 34 | /* Deprecated functions */ |
| 35 | |
| 36 | /* RAND_pseudo_bytes is a wrapper around |RAND_bytes|. */ |
| 37 | int RAND_pseudo_bytes(uint8_t *buf, size_t len); |
| 38 | |
| 39 | /* RAND_seed does nothing. */ |
| 40 | void RAND_seed(const void *buf, int num); |
| 41 | |
| 42 | /* RAND_add does nothing. */ |
| 43 | void RAND_add(const void *buf, int num, double entropy); |
| 44 | |
| 45 | /* RAND_poll returns one. */ |
| 46 | int RAND_poll(void); |
| 47 | |
| 48 | |
| 49 | #if defined(__cplusplus) |
| 50 | } /* extern C */ |
| 51 | #endif |
| 52 | |
| 53 | #endif /* OPENSSL_HEADER_RAND_H */ |