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// ****************************************************************************
// Project: GUYMAGER
// ****************************************************************************
// Programmer: Guy Voncken
// Police Grand-Ducale
// Service de Police Judiciaire
// Section Nouvelles Technologies
// ****************************************************************************
// Module: MD5 calculation
// ****************************************************************************
// Copyright 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
// 2018, 2019, 2020
// Guy Voncken
//
// This file is part of Guymager.
//
// Guymager is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Guymager 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Guymager. If not, see <http://www.gnu.org/licenses/>.
// The core functions of this module are based on the functions found in
// standard Linux' md5sum command, contained in package coreutils on Debian.
#ifndef MD5_H
#define MD5_H
#define MD5_DIGEST_SIZE 16
#define MD5_BLOCK_SIZE 64
typedef unsigned int uint32_t;
typedef struct
{
uint32_t A;
uint32_t B;
uint32_t C;
uint32_t D;
uint32_t total[2];
uint32_t buflen;
uint32_t buffer[32];
} t_MD5Context, *t_pMD5Context;
// Always make sure that these functions are compiled with O3 optimisation or
// else, performance is about 5 times worse! See also MD5ProcessBlock in md5.cpp.
//void MD5Init (t_pMD5Context pContext) __attribute__((optimize("-O3")));
//void MD5Append (t_pMD5Context pContext, const void *pBuffer, size_t Len) __attribute__((optimize("-O3")));
//void MD5Finish (t_pMD5Context pContext, void *pDigest) __attribute__((optimize("-O3")));
void MD5Init (t_pMD5Context pContext);
void MD5Append (t_pMD5Context pContext, const void *pBuffer, size_t Len);
void MD5Finish (t_pMD5Context pContext, void *pDigest);
#endif
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