forked from cory/tildefriends
Cory McWilliams
0f4b4da0aa
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4508 ed5197a5-7fde-0310-b194-c3ffbd925b24
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
|
|
* Copyright 2017-2021 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);
|
|
|
|
/* Based on https://131002.net/siphash C reference implementation */
|
|
|
|
struct siphash_st {
|
|
uint64_t total_inlen;
|
|
uint64_t v0;
|
|
uint64_t v1;
|
|
uint64_t v2;
|
|
uint64_t v3;
|
|
unsigned int len;
|
|
unsigned int hash_size;
|
|
unsigned int crounds;
|
|
unsigned int drounds;
|
|
unsigned char leavings[SIPHASH_BLOCK_SIZE];
|
|
};
|
|
|
|
/* default: SipHash-2-4 */
|
|
# define SIPHASH_C_ROUNDS 2
|
|
# define SIPHASH_D_ROUNDS 4
|
|
|
|
#endif
|