sha2xx_common.h

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/*-
 * Copyright 2005 Colin Percival
 * Copyright 2013 Christian Mehlis & René Kijewski
 * Copyright 2016 Martin Landsmann <martin.landsmann@haw-hamburg.de>
 * Copyright 2016 OTA keys S.A.
 * Copyright 2020 HAW Hamburg
 * 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.
 *
 * 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.
 *
 * $FreeBSD: src/lib/libmd/sha256.h,v 1.1.2.1 2005/06/24 13:32:25 cperciva Exp $
 */
 
#ifndef HASHES_SHA2XX_COMMON_H
#define HASHES_SHA2XX_COMMON_H
 
#include <string.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
    uint32_t state[8];
    uint32_t count[2];
    unsigned char buf[64];
} sha2xx_context_t;
 
void sha2xx_pad(sha2xx_context_t *ctx);
 
void sha2xx_update(sha2xx_context_t *ctx, const void *data, size_t len);
 
void sha2xx_final(sha2xx_context_t *ctx, void *digest, size_t dig_len);
 
#ifdef __cplusplus
}
#endif
 
#endif /* HASHES_SHA2XX_COMMON_H */