| Adam Langley | 09050cb | 2019-07-10 11:12:24 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2019, 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_SIPHASH_H |
| 16 | #define OPENSSL_HEADER_SIPHASH_H |
| 17 | |
| 18 | #include <openssl/base.h> |
| 19 | |
| 20 | #if defined(__cplusplus) |
| 21 | extern "C" { |
| 22 | #endif |
| 23 | |
| 24 | |
| 25 | // SipHash is a fast, secure PRF that is often used for hash tables. |
| 26 | |
| 27 | |
| 28 | // SIPHASH_24 implements SipHash-2-4. See https://131002.net/siphash/siphash.pdf |
| 29 | OPENSSL_EXPORT uint64_t SIPHASH_24(const uint64_t key[2], const uint8_t *input, |
| 30 | size_t input_len); |
| 31 | |
| 32 | |
| 33 | #if defined(__cplusplus) |
| 34 | } // extern C |
| 35 | #endif |
| 36 | |
| 37 | #endif // OPENSSL_HEADER_SIPHASH_H |
