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/*
* RFC 1321 compliant MD5 implementation
*
* Copyright (C) 2006-2007 Christophe Devine
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License, version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/**
* \file md5.h
*/
#ifndef _MD5_H
#define _MD5_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD5 context structure
*/
typedef struct
{
unsigned long total[2]; /*!< number of bytes processed */
unsigned long state[4]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
}
md5_context;
/**
* \brief MD5 context setup
*
* \param ctx context to be initialized
*/
void md5_starts( md5_context *ctx );
/**
* \brief MD5 process buffer
*
* \param ctx MD5 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md5_update( md5_context *ctx, unsigned char *input, int ilen );
/**
* \brief MD5 final digest
*
* \param ctx MD5 context
* \param output MD5 checksum result
*/
void md5_finish( md5_context *ctx, unsigned char *output );
/**
* \brief Output = MD5( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD5 checksum result
*/
void md5( unsigned char *input, int ilen,
unsigned char *output );
/**
* \brief Output = MD5( file contents )
*
* \param path input file name
* \param output MD5 checksum result
*
* \return 0 if successful, 1 if fopen failed,
* or 2 if fread failed
*/
int md5_file( const char *path, unsigned char *output );
#ifdef __cplusplus
}
#endif
#endif /* md5.h */
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