xref: /freebsd/contrib/unbound/util/siphash.h (revision 8f76bb7dad48538c6832c2fb466a433d2a3f8cd5)
1*8f76bb7dSCy Schubert /*
2*8f76bb7dSCy Schubert  * util/siphash.h - header for SipHash reference C implementation.
3*8f76bb7dSCy Schubert  *
4*8f76bb7dSCy Schubert  * Copyright (c) 2023, NLnet Labs. All rights reserved.
5*8f76bb7dSCy Schubert  *
6*8f76bb7dSCy Schubert  * This software is open source.
7*8f76bb7dSCy Schubert  *
8*8f76bb7dSCy Schubert  * Redistribution and use in source and binary forms, with or without
9*8f76bb7dSCy Schubert  * modification, are permitted provided that the following conditions
10*8f76bb7dSCy Schubert  * are met:
11*8f76bb7dSCy Schubert  *
12*8f76bb7dSCy Schubert  * Redistributions of source code must retain the above copyright notice,
13*8f76bb7dSCy Schubert  * this list of conditions and the following disclaimer.
14*8f76bb7dSCy Schubert  *
15*8f76bb7dSCy Schubert  * Redistributions in binary form must reproduce the above copyright notice,
16*8f76bb7dSCy Schubert  * this list of conditions and the following disclaimer in the documentation
17*8f76bb7dSCy Schubert  * and/or other materials provided with the distribution.
18*8f76bb7dSCy Schubert  *
19*8f76bb7dSCy Schubert  * Neither the name of the NLNET LABS nor the names of its contributors may
20*8f76bb7dSCy Schubert  * be used to endorse or promote products derived from this software without
21*8f76bb7dSCy Schubert  * specific prior written permission.
22*8f76bb7dSCy Schubert  *
23*8f76bb7dSCy Schubert  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24*8f76bb7dSCy Schubert  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25*8f76bb7dSCy Schubert  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26*8f76bb7dSCy Schubert  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27*8f76bb7dSCy Schubert  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28*8f76bb7dSCy Schubert  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29*8f76bb7dSCy Schubert  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30*8f76bb7dSCy Schubert  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31*8f76bb7dSCy Schubert  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32*8f76bb7dSCy Schubert  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33*8f76bb7dSCy Schubert  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34*8f76bb7dSCy Schubert  */
35*8f76bb7dSCy Schubert /**
36*8f76bb7dSCy Schubert  * \file
37*8f76bb7dSCy Schubert  * Contains the SipHash reference C implementation.
38*8f76bb7dSCy Schubert  */
39*8f76bb7dSCy Schubert #ifndef UTIL_SIPHASH_H
40*8f76bb7dSCy Schubert #define UTIL_SIPHASH_H
41*8f76bb7dSCy Schubert int siphash(const uint8_t *in, const size_t inlen, const uint8_t *k,
42*8f76bb7dSCy Schubert             uint8_t *out, const size_t outlen);
43*8f76bb7dSCy Schubert #endif /* UTIL_SIPHASH_H */
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