1*8fb009dcSAndroid Build Coastguard Worker /* Copyright (c) 2019, Google Inc. 2*8fb009dcSAndroid Build Coastguard Worker * 3*8fb009dcSAndroid Build Coastguard Worker * Permission to use, copy, modify, and/or distribute this software for any 4*8fb009dcSAndroid Build Coastguard Worker * purpose with or without fee is hereby granted, provided that the above 5*8fb009dcSAndroid Build Coastguard Worker * copyright notice and this permission notice appear in all copies. 6*8fb009dcSAndroid Build Coastguard Worker * 7*8fb009dcSAndroid Build Coastguard Worker * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8*8fb009dcSAndroid Build Coastguard Worker * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9*8fb009dcSAndroid Build Coastguard Worker * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10*8fb009dcSAndroid Build Coastguard Worker * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11*8fb009dcSAndroid Build Coastguard Worker * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12*8fb009dcSAndroid Build Coastguard Worker * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13*8fb009dcSAndroid Build Coastguard Worker * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14*8fb009dcSAndroid Build Coastguard Worker 15*8fb009dcSAndroid Build Coastguard Worker #ifndef OPENSSL_HEADER_SIPHASH_H 16*8fb009dcSAndroid Build Coastguard Worker #define OPENSSL_HEADER_SIPHASH_H 17*8fb009dcSAndroid Build Coastguard Worker 18*8fb009dcSAndroid Build Coastguard Worker #include <openssl/base.h> 19*8fb009dcSAndroid Build Coastguard Worker 20*8fb009dcSAndroid Build Coastguard Worker #if defined(__cplusplus) 21*8fb009dcSAndroid Build Coastguard Worker extern "C" { 22*8fb009dcSAndroid Build Coastguard Worker #endif 23*8fb009dcSAndroid Build Coastguard Worker 24*8fb009dcSAndroid Build Coastguard Worker 25*8fb009dcSAndroid Build Coastguard Worker // SipHash is a fast, secure PRF that is often used for hash tables. 26*8fb009dcSAndroid Build Coastguard Worker 27*8fb009dcSAndroid Build Coastguard Worker 28*8fb009dcSAndroid Build Coastguard Worker // SIPHASH_24 implements SipHash-2-4. See https://131002.net/siphash/siphash.pdf 29*8fb009dcSAndroid Build Coastguard Worker OPENSSL_EXPORT uint64_t SIPHASH_24(const uint64_t key[2], const uint8_t *input, 30*8fb009dcSAndroid Build Coastguard Worker size_t input_len); 31*8fb009dcSAndroid Build Coastguard Worker 32*8fb009dcSAndroid Build Coastguard Worker 33*8fb009dcSAndroid Build Coastguard Worker #if defined(__cplusplus) 34*8fb009dcSAndroid Build Coastguard Worker } // extern C 35*8fb009dcSAndroid Build Coastguard Worker #endif 36*8fb009dcSAndroid Build Coastguard Worker 37*8fb009dcSAndroid Build Coastguard Worker #endif // OPENSSL_HEADER_SIPHASH_H 38