36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/* hmac-sha256.h */
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/*
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This file is part of the Crypto-avr-lib/microcrypt-lib.
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Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HMACSHA256_H_
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#define HMACSHA256_H_
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#include "sha256.h"
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#define HMAC_BITS SHA256_HASH_BITS
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#define HMAC_BYTES ((HMAC_BITS+7)/8)
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typedef sha256_ctx_t hmac_sha256_ctx_t;
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void hmac_sha256_init(hmac_sha256_ctx_t *s, void* key, uint16_t keylength_b);
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void hmac_sha256_final(hmac_sha256_ctx_t *s, void* key, uint16_t keylength_b);
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void hmac_sha256(void* dest, void* key, uint16_t keylength_b, void* msg, uint64_t msglength_b);
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#endif /*HMACSHA256_H_*/
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