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/*
* Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_CRYPTO_SIPHASH_H
# define OSSL_CRYPTO_SIPHASH_H
# pragma once
# include <stddef.h>
# define SIPHASH_BLOCK_SIZE 8
# define SIPHASH_KEY_SIZE 16
# define SIPHASH_MIN_DIGEST_SIZE 8
# define SIPHASH_MAX_DIGEST_SIZE 16
typedef struct siphash_st SIPHASH;
size_t SipHash_ctx_size(void);
size_t SipHash_hash_size(SIPHASH *ctx);
int SipHash_set_hash_size(SIPHASH *ctx, size_t hash_size);
int SipHash_Init(SIPHASH *ctx, const unsigned char *k,
int crounds, int drounds);
void SipHash_Update(SIPHASH *ctx, const unsigned char *in, size_t inlen);
int SipHash_Final(SIPHASH *ctx, unsigned char *out, size_t outlen);
#endif
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