X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_md5.h;h=0d61b394a16f6b241b9139e6f19832fec8f354f4;hb=2dc214fbeae3a1a5a25197bd05f1d3ddeee4927a;hp=66d52efa787ddb2dbf000f2c988d1cf2408a59c0;hpb=fbf4c8060d35617e39b50ae739307152d02ed951;p=vlc diff --git a/include/vlc_md5.h b/include/vlc_md5.h index 66d52efa78..0d61b394a1 100644 --- a/include/vlc_md5.h +++ b/include/vlc_md5.h @@ -1,50 +1,59 @@ /***************************************************************************** * vlc_md5.h: MD5 hash ***************************************************************************** - * Copyright (C) 2004-2005 the VideoLAN team - * $Id$ + * Copyright © 2004-2011 VLC authors and VideoLAN * - * Authors: Jon Lech Johansen - * Sam Hocevar + * Authors: Rémi Denis-Courmont + * Rafaël Carré * - * This program 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 + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This program 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. + * 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 General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ -#if !defined( __LIBVLC__ ) - #error You are not libvlc or one of its plugins. You cannot include this file -#endif +#ifndef VLC_MD5_H +# define VLC_MD5_H -#ifndef _VLC_MD5_H -# define _VLC_MD5_H +/** + * \file + * This file defines functions and structures to compute MD5 digests + */ -/***************************************************************************** - * md5_s: MD5 message structure - ***************************************************************************** - * This structure stores the static information needed to compute an MD5 - * hash. It has an extra data buffer to allow non-aligned writes. - *****************************************************************************/ struct md5_s { - uint64_t i_bits; /* Total written bits */ - uint32_t p_digest[4]; /* The MD5 digest */ - uint32_t p_data[16]; /* Buffer to cache non-aligned writes */ + uint32_t A, B, C, D; /* chaining variables */ + uint32_t nblocks; + uint8_t buf[64]; + int count; }; -VLC_EXPORT(void, InitMD5, ( struct md5_s * ) ); -VLC_EXPORT(void, AddMD5, ( struct md5_s *, const uint8_t *, uint32_t ) ); -VLC_EXPORT(void, EndMD5, ( struct md5_s * ) ); -VLC_EXPORT(void, DigestMD5, ( struct md5_s *, uint32_t * ) ); +VLC_API void InitMD5( struct md5_s * ); +VLC_API void AddMD5( struct md5_s *, const void *, size_t ); +VLC_API void EndMD5( struct md5_s * ); + +/** + * Returns a char representation of the md5 hash, as shown by UNIX md5 or + * md5sum tools. + */ +static inline char * psz_md5_hash( struct md5_s *md5_s ) +{ + char *psz = malloc( 33 ); /* md5 string is 32 bytes + NULL character */ + if( likely(psz) ) + { + for( int i = 0; i < 16; i++ ) + sprintf( &psz[2*i], "%02"PRIx8, md5_s->buf[i] ); + } + return psz; +} #endif