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cryb-to/include/cryb/hmac.h
Dag-Erling Smørgrav 601403cba3 Use custom keywords.
2014-07-04 11:20:46 +00:00

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2 KiB
C

/*-
* Copyright (c) 2012 Universitetet i Oslo
* Copyright (c) 2012 Dag-Erling Smørgrav
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* Author: Dag-Erling Smørgrav <des@des.no>
* Sponsor: the University of Oslo
*
* $Cryb$
*/
#ifndef CRYB_HMAC_H_INCLUDED
#define CRYB_HMAC_H_INCLUDED
#define HMAC_LEN 20
typedef struct hmac_ctx {
struct sha1_ctx sha1_ctx;
uint8_t key[64];
size_t keylen;
} hmac_ctx;
void hmac_init(hmac_ctx *, const uint8_t *, size_t);
void hmac_update(hmac_ctx *, const uint8_t *, size_t);
void hmac_final(hmac_ctx *, uint8_t *);
void hmac_complete(const uint8_t *, size_t, const uint8_t *, size_t, uint8_t *);
#endif