60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
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/*****************************************************************************
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* vlc_md5.h: MD5 hash
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*****************************************************************************
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* Copyright © 2004-2011 VLC authors and VideoLAN
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*
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* Authors: Rémi Denis-Courmont
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* Rafaël Carré
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_MD5_H
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# define VLC_MD5_H
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/**
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* \file
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* This file defines functions and structures to compute MD5 digests
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*/
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struct md5_s
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{
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uint32_t A, B, C, D; /* chaining variables */
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uint32_t nblocks;
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uint8_t buf[64];
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int count;
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};
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VLC_API void InitMD5( struct md5_s * );
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VLC_API void AddMD5( struct md5_s *, const void *, size_t );
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VLC_API void EndMD5( struct md5_s * );
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/**
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* Returns a char representation of the md5 hash, as shown by UNIX md5 or
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* md5sum tools.
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*/
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static inline char * psz_md5_hash( struct md5_s *md5_s )
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{
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char *psz = malloc( 33 ); /* md5 string is 32 bytes + NULL character */
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if( likely(psz) )
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{
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for( int i = 0; i < 16; i++ )
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sprintf( &psz[2*i], "%02" PRIx8, md5_s->buf[i] );
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}
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return psz;
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}
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#endif
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