[thirdparty/openssl.git] / crypto / include / internal / siphash.h

/*
 * 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
 */

#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);
Commit	Line	Data
3f5616d7	1	/*
1212818e	2	* Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
3f5616d7	3	*
48f4ad77	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
3f5616d7 TS	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);
d74f23d2 RL	21	int SipHash_set_hash_size(SIPHASH *ctx, size_t hash_size);
d74f23d2 RL	22	int SipHash_Init(SIPHASH ctx, const unsigned char k,
3f5616d7 TS	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);