apps/plugins/lib/md5.h

   1 /*****************************************************************************
   2  * vlc_md5.h: MD5 hash
   3  *****************************************************************************
   4  * Copyright (C) 2004-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *
  10  * Adapted to Rockbox by: Antoine Cellerier <dionoea at videolan dot org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 #ifndef _VLC_MD5_H
  28 # define _VLC_MD5_H
  29
  30 /*****************************************************************************
  31  * md5_s: MD5 message structure
  32  *****************************************************************************
  33  * This structure stores the static information needed to compute an MD5
  34  * hash. It has an extra data buffer to allow non-aligned writes.
  35  *****************************************************************************/
  36 struct md5_s
  37 {
  38     uint64_t i_bits;      /* Total written bits */
  39     uint32_t p_digest[4]; /* The MD5 digest */
  40     uint32_t p_data[16];  /* Buffer to cache non-aligned writes */
  41 };
  42
  43 void InitMD5( struct md5_s * );
  44 void AddMD5( struct md5_s *, const void *, size_t );
  45 void EndMD5( struct md5_s * );
  46
  47 /**
  48  * Returns a char representation of the md5 hash, as shown by UNIX md5 or
  49  * md5sum tools.
  50  */
  51 #define MD5_STRING_LENGTH 32
  52 void psz_md5_hash( char *, struct md5_s * );
  53
  54 #endif