crypt_siphash.h

/*
 * This file is part of the openHiTLS project.
 *
 * openHiTLS is licensed under the Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *
 *     http://license.coscl.org.cn/MulanPSL2
 *
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
 
#ifndef CRYPT_SIPHASH_H
#define CRYPT_SIPHASH_H
 
#include "hitls_build.h"
#ifdef HITLS_CRYPTO_SIPHASH
 
#include <stdint.h>
#include <stdlib.h>
#include "crypt_local_types.h"
 
 
#ifdef __cplusplus
extern "C" {
#endif /* __cpluscplus */
 
#define SIPHASH_KEY_SIZE 16 // 128 bit
#define SIPHASH_WORD_SIZE 8 // 64 bit
#define DEFAULT_COMPRESSION_ROUND 2
#define DEFAULT_FINALIZATION_ROUND 4
// The siphash has only two output lengths: 8-byte and 16-byte.
#define SIPHASH_MIN_DIGEST_SIZE 8
#define SIPHASH_MAX_DIGEST_SIZE 16
 
typedef struct SIPHASH_Ctx CRYPT_SIPHASH_Ctx;
 
#define CRYPT_SIPHASH_SetParam NULL

CRYPT_SIPHASH_Ctx *CRYPT_SIPHASH_NewCtx(CRYPT_MAC_AlgId id);

CRYPT_SIPHASH_Ctx *CRYPT_SIPHASH_NewCtxEx(void *libCtx, CRYPT_MAC_AlgId id);

int32_t CRYPT_SIPHASH_Init(CRYPT_SIPHASH_Ctx *ctx, const uint8_t *key, uint32_t keyLen);

int32_t CRYPT_SIPHASH_InitEx(CRYPT_SIPHASH_Ctx *ctx, const uint8_t *key, uint32_t keyLen, void *param);

int32_t CRYPT_SIPHASH_Update(CRYPT_SIPHASH_Ctx *ctx, const uint8_t *in, uint32_t inlen);

int32_t CRYPT_SIPHASH_Final(CRYPT_SIPHASH_Ctx *ctx, uint8_t *out, uint32_t *outlen);

int32_t CRYPT_SIPHASH_Reinit(CRYPT_SIPHASH_Ctx *ctx);

int32_t CRYPT_SIPHASH_Deinit(CRYPT_SIPHASH_Ctx *ctx);

int32_t CRYPT_SIPHASH_Ctrl(CRYPT_SIPHASH_Ctx *ctx, uint32_t opt, void *val, uint32_t len);

void CRYPT_SIPHASH_FreeCtx(CRYPT_SIPHASH_Ctx *ctx);

CRYPT_SIPHASH_Ctx *CRYPT_SIPHASH_DupCtx(const CRYPT_SIPHASH_Ctx *ctx);
 
#ifdef __cplusplus
}
#endif
 
#endif /* HITLS_CRYPTO_SIPHASH */
 
#endif