ref: 127dfcfefaec2397cb462ef797befd0b3611864e
dir: /third_party/boringssl/src/include/openssl/siphash.h/
/* Copyright (c) 2019, 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_SIPHASH_H
#define OPENSSL_HEADER_SIPHASH_H
#include <openssl/base.h>
#if defined(__cplusplus)
extern "C" {
#endif
// SipHash is a fast, secure PRF that is often used for hash tables.
// SIPHASH_24 implements SipHash-2-4. See https://131002.net/siphash/siphash.pdf
OPENSSL_EXPORT uint64_t SIPHASH_24(const uint64_t key[2], const uint8_t *input,
size_t input_len);
#if defined(__cplusplus)
} // extern C
#endif
#endif // OPENSSL_HEADER_SIPHASH_H