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ewf_hash.h
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ewf_hash.h
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/*
* EWF hash section
*
* Copyright (c) 2006-2007, Joachim Metz <forensics@hoffmannbv.nl>,
* Hoffmann Investigations. All rights reserved.
*
* Refer to AUTHORS for acknowledgements.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - 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.
* - Neither the name of the creator, related organisations, nor the names of
* its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* - All advertising materials mentioning features or use of this software
* must acknowledge the contribution by people stated in the acknowledgements.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER, COMPANY 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 COPYRIGHT OWNER 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 _EWF_HASH_H
#define _EWF_HASH_H
#include "libewf_includes.h"
#ifdef __cplusplus
extern "C" {
#endif
#define EWF_HASH ewf_hash_t
#define EWF_HASH_SIZE sizeof( EWF_HASH )
typedef struct ewf_hash ewf_hash_t;
struct ewf_hash
{
/* The MD5 hash of the aquired data
* consists of 16 bytes
*/
uint8_t md5_hash[ 16 ];
/* TODO: unknown find out
*/
uint8_t unknown1[ 16 ];
/* The section crc of all (previous) hash data
* consits of 4 bytes (32 bits)
* starts with offset 76
*/
uint8_t crc[ 4 ];
};
ssize_t ewf_hash_read( EWF_HASH *hash, int file_descriptor );
ssize_t ewf_hash_write( EWF_HASH *hash, int file_descriptor );
#ifdef __cplusplus
}
#endif
#endif

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