42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
/* hfal-hmac.h */
|
|
/*
|
|
This file is part of the AVR-Crypto-Lib.
|
|
Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef HFAL_HMAC_H_
|
|
#define HFAL_HMAC_H_
|
|
|
|
#include <avr/pgmspace.h>
|
|
#include "hashfunction_descriptor.h"
|
|
|
|
typedef struct {
|
|
hfdesc_t *desc;
|
|
void* ctx;
|
|
void* finctx;
|
|
} hfhmacgen_ctx_t;
|
|
|
|
uint8_t hfal_hmac_init(const hfdesc_t *hash_descriptor, hfhmacgen_ctx_t *ctx, const void *key, uint16_t keylength_b);
|
|
void hfal_hmac_nextBlock(hfhmacgen_ctx_t *ctx, const void *block);
|
|
void hfal_hmac_lastBlock(hfhmacgen_ctx_t *ctx, const void *block, uint16_t length_b);
|
|
void hfal_hmac_ctx2mac(void *dest, hfhmacgen_ctx_t *ctx);
|
|
void hfal_hmac_free(hfhmacgen_ctx_t *ctx);
|
|
void hfal_hmac_mem(const hfdesc_t *hash_descriptor, const void *key, uint16_t keylength_b, void *dest, const void *msg, uint32_t length_b);
|
|
uint16_t hfal_hmac_getBlocksize(const hfdesc_t *hash_descriptor);
|
|
uint16_t hfal_hmac_getMACsize(const hfdesc_t *hash_descriptor);
|
|
|
|
#endif /* HFAL_HMAC_H_ */
|