1 /* 2 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stddef.h> 11 12 #define SIPHASH_BLOCK_SIZE 8 13 #define SIPHASH_KEY_SIZE 16 14 #define SIPHASH_MIN_DIGEST_SIZE 8 15 #define SIPHASH_MAX_DIGEST_SIZE 16 16 17 typedef struct siphash_st SIPHASH; 18 19 size_t SipHash_ctx_size(void); 20 size_t SipHash_hash_size(SIPHASH *ctx); 21 int SipHash_set_hash_size(SIPHASH *ctx, size_t hash_size); 22 int SipHash_Init(SIPHASH *ctx, const unsigned char *k, 23 int crounds, int drounds); 24 void SipHash_Update(SIPHASH *ctx, const unsigned char *in, size_t inlen); 25 int SipHash_Final(SIPHASH *ctx, unsigned char *out, size_t outlen); 26