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/*-
* HMAC-SHA-224/256/384/512 implementation
* Last update: 06/15/2005
* Issue date: 06/15/2005
*
* Copyright (C) 2005 Olivier Gay <olivier.gay@a3.epfl.ch>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _HMAC_SHA2_H
#define _HMAC_SHA2_H
#include "sha2.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
sha224_ctx ctx_inside;
sha224_ctx ctx_outside;
/* for hmac_reinit */
sha224_ctx ctx_inside_reinit;
sha224_ctx ctx_outside_reinit;
unsigned char block_ipad[SHA224_BLOCK_SIZE];
unsigned char block_opad[SHA224_BLOCK_SIZE];
} hmac_sha224_ctx;
typedef struct {
sha256_ctx ctx_inside;
sha256_ctx ctx_outside;
/* for hmac_reinit */
sha256_ctx ctx_inside_reinit;
sha256_ctx ctx_outside_reinit;
unsigned char block_ipad[SHA256_BLOCK_SIZE];
unsigned char block_opad[SHA256_BLOCK_SIZE];
} hmac_sha256_ctx;
typedef struct {
sha384_ctx ctx_inside;
sha384_ctx ctx_outside;
/* for hmac_reinit */
sha384_ctx ctx_inside_reinit;
sha384_ctx ctx_outside_reinit;
unsigned char block_ipad[SHA384_BLOCK_SIZE];
unsigned char block_opad[SHA384_BLOCK_SIZE];
} hmac_sha384_ctx;
typedef struct {
sha512_ctx ctx_inside;
sha512_ctx ctx_outside;
/* for hmac_reinit */
sha512_ctx ctx_inside_reinit;
sha512_ctx ctx_outside_reinit;
unsigned char block_ipad[SHA512_BLOCK_SIZE];
unsigned char block_opad[SHA512_BLOCK_SIZE];
} hmac_sha512_ctx;
void hmac_sha224_init(hmac_sha224_ctx *ctx, unsigned char *key,
unsigned int key_size);
void hmac_sha224_reinit(hmac_sha224_ctx *ctx);
void hmac_sha224_update(hmac_sha224_ctx *ctx, unsigned char *message,
unsigned int message_len);
void hmac_sha224_final(hmac_sha224_ctx *ctx, unsigned char *mac,
unsigned int mac_size);
void hmac_sha224(unsigned char *key, unsigned int key_size,
unsigned char *message, unsigned int message_len,
unsigned char *mac, unsigned mac_size);
void hmac_sha256_init(hmac_sha256_ctx *ctx, unsigned char *key,
unsigned int key_size);
void hmac_sha256_reinit(hmac_sha256_ctx *ctx);
void hmac_sha256_update(hmac_sha256_ctx *ctx, unsigned char *message,
unsigned int message_len);
void hmac_sha256_final(hmac_sha256_ctx *ctx, unsigned char *mac,
unsigned int mac_size);
void hmac_sha256(unsigned char *key, unsigned int key_size,
unsigned char *message, unsigned int message_len,
unsigned char *mac, unsigned mac_size);
void hmac_sha384_init(hmac_sha384_ctx *ctx, unsigned char *key,
unsigned int key_size);
void hmac_sha384_reinit(hmac_sha384_ctx *ctx);
void hmac_sha384_update(hmac_sha384_ctx *ctx, unsigned char *message,
unsigned int message_len);
void hmac_sha384_final(hmac_sha384_ctx *ctx, unsigned char *mac,
unsigned int mac_size);
void hmac_sha384(unsigned char *key, unsigned int key_size,
unsigned char *message, unsigned int message_len,
unsigned char *mac, unsigned mac_size);
void hmac_sha512_init(hmac_sha512_ctx *ctx, unsigned char *key,
unsigned int key_size);
void hmac_sha512_reinit(hmac_sha512_ctx *ctx);
void hmac_sha512_update(hmac_sha512_ctx *ctx, unsigned char *message,
unsigned int message_len);
void hmac_sha512_final(hmac_sha512_ctx *ctx, unsigned char *mac,
unsigned int mac_size);
void hmac_sha512(unsigned char *key, unsigned int key_size,
unsigned char *message, unsigned int message_len,
unsigned char *mac, unsigned mac_size);
#ifdef __cplusplus
}
#endif
#endif /* ! _HMAC_SHA2_H */
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